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Tue 28/04/2026 1100 AES |
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Wind on the Ground (NW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1158 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.8m/s 353 ft/min |
Temperature 18 C It will be cool on the ground. It will be down to 6.4 C in the air. |
XC Potential (4hrs) 99km downwind XC or 54 km Triangle Possible by Sport Class Pilot. |
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Tue 28/04/2026 1300 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1524 m Great height for flying XC. |
Thermal Quality 80% Updraft Velocity 2.14m/s 419 ft/min |
Temperature 19 C It will be cool on the ground. It will be down to 3.8 C in the air. |
XC Potential (4hrs) 81.6km downwind XC or 38.4 km Triangle Possible by Sport Class Pilot. |
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Tue 28/04/2026 1500 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1378 m Great height for flying XC. |
Thermal Quality 70% Updraft Velocity 1.65m/s 323 ft/min |
Temperature 19 C It will be cool on the ground. It will be down to 5.2 C in the air. |
XC Potential (4hrs) 71.4km downwind XC or 33.6 km Triangle Possible by Sport Class Pilot. |
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Tue 28/04/2026 1700 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 15 C It will be cool on the ground. It will be down to 8.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Thu 30/04/2026 1100 AES |
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Wind on the Ground (N) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 991 m XC Possible but difficult conditions. |
Thermal Quality 50% Updraft Velocity 1.62m/s 318 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 7.1 C in the air. |
XC Potential (4hrs) 43.75km downwind XC or 17.5 km Triangle Possible by Sport Class Pilot. |
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Thu 30/04/2026 1300 AES |
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Wind on the Ground (N) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1375 m Great height for flying XC. |
Thermal Quality 80% Updraft Velocity 1.99m/s 390 ft/min |
Temperature 19 C It will be cool on the ground. It will be down to 5.3 C in the air. |
XC Potential (4hrs) 81.6km downwind XC or 38.4 km Triangle Possible by Sport Class Pilot. |
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Thu 30/04/2026 1500 AES |
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Wind on the Ground (NNW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1509 m Great height for flying XC. |
Thermal Quality 70% Updraft Velocity 1.61m/s 316 ft/min |
Temperature 19 C It will be cool on the ground. It will be down to 3.9 C in the air. |
XC Potential (4hrs) 69.3km downwind XC or 37.8 km Triangle Possible by Sport Class Pilot. |
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Thu 30/04/2026 1700 AES |
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Wind on the Ground (NNE) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 9.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Fri 01/05/2026 1100 AES |
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Wind on the Ground (NNE) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 934 m XC Possible but difficult conditions. |
Thermal Quality 50% Updraft Velocity 1.52m/s 298 ft/min |
Temperature 18 C It will be cool on the ground. It will be down to 8.7 C in the air. |
XC Potential (4hrs) 43.75km downwind XC or 17.5 km Triangle Possible by Sport Class Pilot. |
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Fri 01/05/2026 1300 AES |
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Wind on the Ground (N) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1495 m Great height for flying XC. |
Thermal Quality 70% Updraft Velocity 2.04m/s 400 ft/min |
Temperature 20 C It will be pleasant on the ground. |
XC Potential (4hrs) 71.4km downwind XC or 33.6 km Triangle Possible by Sport Class Pilot. |
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Fri 01/05/2026 1500 AES |
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Wind on the Ground (N) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1708 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 1.71m/s 335 ft/min |
Temperature 20 C It will be pleasant on the ground. |
XC Potential (4hrs) 61.2km downwind XC or 28.8 km Triangle Possible by Sport Class Pilot. |
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Fri 01/05/2026 1700 AES |
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Wind on the Ground (NNE) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 9.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Sat 02/05/2026 1100 AES |
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Wind on the Ground (NNE) 25kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 32kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 905 m XC Possible but difficult conditions. |
Thermal Quality 30% Updraft Velocity 1.47m/s 288 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 8 C in the air. |
XC Potential (4hrs) 27.75km downwind XC or 7.5 km Triangle Possible by Sport Class Pilot. |
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Sat 02/05/2026 1300 AES |
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Wind on the Ground (N) 29kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 40kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 1434 m Great height for flying XC. |
Thermal Quality 30% Updraft Velocity 1.99m/s 390 ft/min |
Temperature 19 C It will be cool on the ground. It will be down to 4.7 C in the air. |
XC Potential (4hrs) 34.2km downwind XC or 7.2 km Triangle Possible by Sport Class Pilot. |
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Sat 02/05/2026 1500 AES |
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Wind on the Ground (N) 29kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (NNE) 43kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: high |
Thermal Height 1554 m Great height for flying XC. |
Thermal Quality 20% Updraft Velocity 1.48m/s 290 ft/min |
Temperature 20 C It will be pleasant on the ground. |
XC Potential (4hrs) 22.8km downwind XC or 4.8 km Triangle Possible by Sport Class Pilot. |
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Sat 02/05/2026 1700 AES |
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Wind on the Ground (NNE) 25kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (NNE) 43kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 10.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Sun 03/05/2026 1100 AES |
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Wind on the Ground (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (NNE) 47kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: extreme |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 12 C It will be cold on the ground. It will be down to 5.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Sun 03/05/2026 1300 AES |
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Wind on the Ground (N) 29kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 36kph Dangerous winds! It will be very rough with strong rotor and turbulence. Vertical Wind Shear: high |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.52m/s 102 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 6.4 C in the air. |
XC Potential (4hrs) 9.5km downwind XC or 2 km Triangle Possible by Sport Class Pilot. |
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Sun 03/05/2026 1500 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.31m/s 61 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to 3.4 C in the air. |
XC Potential (4hrs) 8.5km downwind XC or 4 km Triangle Possible by Sport Class Pilot. |
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Sun 03/05/2026 1700 AES |
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Wind on the Ground (WNW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 10% Updraft Velocity 0.29m/s 57 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to 2.4 C in the air. |
XC Potential (4hrs) 8.75km downwind XC or 3.5 km Triangle Possible by Sport Class Pilot. |
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Mon 04/05/2026 1100 AES |
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Wind on the Ground (WNW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 25kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 1158 m Great height for flying XC. |
Thermal Quality 50% Updraft Velocity 1.94m/s 380 ft/min |
Temperature 8 C It will be cold on the ground. It will be down to -3.6 C in the air. |
XC Potential (4hrs) 54km downwind XC or 18 km Triangle Possible by Sport Class Pilot. |
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Mon 04/05/2026 1300 AES |
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Wind on the Ground (WNW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 25kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 826 m XC Possible but difficult conditions. |
Thermal Quality 30% Updraft Velocity 1.17m/s 229 ft/min |
Temperature 8 C It will be cold on the ground. It will be down to -0.3 C in the air. |
XC Potential (4hrs) 27km downwind XC or 9 km Triangle Possible by Sport Class Pilot. |
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Mon 04/05/2026 1500 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 22kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 30% Updraft Velocity 0.85m/s 167 ft/min |
Temperature 7 C It will be cold on the ground. It will be down to 0.4 C in the air. |
XC Potential (4hrs) 25.5km downwind XC or 12 km Triangle Possible by Sport Class Pilot. |
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Mon 04/05/2026 1700 AES |
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Wind on the Ground (NW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -0.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Tue 05/05/2026 1100 AES |
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Wind on the Ground (W) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1307 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 2.06m/s 404 ft/min |
Temperature 9 C It will be cold on the ground. It will be down to -4.1 C in the air. |
XC Potential (4hrs) 99km downwind XC or 54 km Triangle Possible by Sport Class Pilot. |
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Tue 05/05/2026 1300 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1448 m Great height for flying XC. |
Thermal Quality 90% Updraft Velocity 2.07m/s 406 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to -4.5 C in the air. |
XC Potential (4hrs) 91.8km downwind XC or 43.2 km Triangle Possible by Sport Class Pilot. |
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Tue 05/05/2026 1500 AES |
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Wind on the Ground (WNW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1310 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 1.71m/s 335 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to -3.1 C in the air. |
XC Potential (4hrs) 63km downwind XC or 25.2 km Triangle Possible by Sport Class Pilot. |
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Tue 05/05/2026 1700 AES |
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Wind on the Ground (WNW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 14kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 6 C It will be cold on the ground. It will be down to -0.6 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Tue 05/05/2026 1100 AES |
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Wind on the Ground (N) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: high |
Thermal Height 1202 m Great height for flying XC. |
Thermal Quality 60% Updraft Velocity 1.9m/s 372 ft/min |
Temperature 12 C It will be cold on the ground. It will be down to -0 C in the air. |
XC Potential (4hrs) 61.2km downwind XC or 28.8 km Triangle Possible by Sport Class Pilot. |
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Tue 05/05/2026 1300 AES |
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Wind on the Ground (NW) 22kph Strong winds, expect rough air, Downwind tasks possible only. |
Winds Aloft (N) 25kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 1283 m Great height for flying XC. |
Thermal Quality 50% Updraft Velocity 1.84m/s 361 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to 0.2 C in the air. |
XC Potential (4hrs) 54km downwind XC or 18 km Triangle Possible by Sport Class Pilot. |
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Tue 05/05/2026 1500 AES |
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Wind on the Ground (WNW) 18kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 25kph Strong winds, expect rough air, Downwind tasks possible only. Vertical Wind Shear: moderate |
Thermal Height 1324 m Great height for flying XC. |
Thermal Quality 50% Updraft Velocity 1.66m/s 325 ft/min |
Temperature 13 C It will be cold on the ground. It will be down to -0.2 C in the air. |
XC Potential (4hrs) 52.5km downwind XC or 21 km Triangle Possible by Sport Class Pilot. |
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Tue 05/05/2026 1700 AES |
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Wind on the Ground (NW) 14kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 18kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 10 C It will be cold on the ground. It will be down to 3.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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This is aimed primarily at the club level pilot who wants to know what to expect for the next week.
Data is calculated from the GFS model data using the RASP calculations daily.
Wind strengths are graded for aircraft suitability. 
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Wind speeds are average wind speeds, gusts will be higher.
Conditions are graded for how the average pilot will feel about them. ![]()
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Great flying conditions for XC
Turbulent XC flying conditions
Dangerous flying conditions
Likely Poor XC flying conditions
Problems? Suggestions? Send me an email....