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Sat 09/05/2026 1100 AES |
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Wind on the Ground (SW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 1069 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.68m/s 329 ft/min |
Temperature 12 C It will be cold on the ground. It will be down to 1.3 C in the air. |
XC Potential (4hrs) 96km downwind XC or 60 km Triangle Possible by Sport Class Pilot. |
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Sat 09/05/2026 1300 AES |
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Wind on the Ground (WSW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: moderate |
Thermal Height 1197 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.8m/s 353 ft/min |
Temperature 14 C It will be cold on the ground. It will be down to 2 C in the air. |
XC Potential (4hrs) 99km downwind XC or 54 km Triangle Possible by Sport Class Pilot. |
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Sat 09/05/2026 1500 AES |
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Wind on the Ground (W) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 980 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.32m/s 259 ft/min |
Temperature 15 C It will be cool on the ground. It will be down to 5.2 C in the air. |
XC Potential (4hrs) 82.5km downwind XC or 45 km Triangle Possible by Sport Class Pilot. |
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Sat 09/05/2026 1700 AES |
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Wind on the Ground (NW) 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 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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Sun 10/05/2026 1100 AES |
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Wind on the Ground (WNW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 894 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.41m/s 276 ft/min |
Temperature 15 C It will be cool on the ground. It will be down to 6.1 C in the air. |
XC Potential (4hrs) 80km downwind XC or 50 km Triangle Possible by Sport Class Pilot. |
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Sun 10/05/2026 1300 AES |
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Wind on the Ground (WNW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 1113 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.67m/s 327 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 5.9 C in the air. |
XC Potential (4hrs) 99km downwind XC or 54 km Triangle Possible by Sport Class Pilot. |
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Sun 10/05/2026 1500 AES |
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Wind on the Ground (W) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 915 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.23m/s 241 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 7.9 C in the air. |
XC Potential (4hrs) 82.5km downwind XC or 45 km Triangle Possible by Sport Class Pilot. |
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Sun 10/05/2026 1700 AES |
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Wind on the Ground (WNW) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
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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Mon 11/05/2026 1100 AES |
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Wind on the Ground (WNW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 1017 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.55m/s 304 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 5.8 C in the air. |
XC Potential (4hrs) 96km downwind XC or 60 km Triangle Possible by Sport Class Pilot. |
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Mon 11/05/2026 1300 AES |
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Wind on the Ground (W) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 1358 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.87m/s 367 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 3.4 C in the air. |
XC Potential (4hrs) 99km downwind XC or 54 km Triangle Possible by Sport Class Pilot. |
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Mon 11/05/2026 1500 AES |
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Wind on the Ground (W) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 0kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 939 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.17m/s 229 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 7.6 C in the air. |
XC Potential (4hrs) 80km downwind XC or 50 km Triangle Possible by Sport Class Pilot. |
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Mon 11/05/2026 1700 AES |
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Wind on the Ground (WNW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 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) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Tue 12/05/2026 1100 AES |
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Wind on the Ground (W) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 1045 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.59m/s 312 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 5.6 C in the air. |
XC Potential (4hrs) 96km downwind XC or 60 km Triangle Possible by Sport Class Pilot. |
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Tue 12/05/2026 1300 AES |
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Wind on the Ground (W) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 925 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 1.17m/s 229 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 7.8 C in the air. |
XC Potential (4hrs) 82.5km downwind XC or 45 km Triangle Possible by Sport Class Pilot. |
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Tue 12/05/2026 1500 AES |
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Wind on the Ground (NW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
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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Tue 12/05/2026 1700 AES |
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Wind on the Ground (NW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 14 C It will be cold on the ground. It will be down to 7.4 C in the air. |
XC Potential (4hrs) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Wed 13/05/2026 1100 AES |
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Wind on the Ground (SW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 1116 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.65m/s 323 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 4.8 C in the air. |
XC Potential (4hrs) 96km downwind XC or 60 km Triangle Possible by Sport Class Pilot. |
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Wed 13/05/2026 1300 AES |
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Wind on the Ground (WSW) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 1035 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.21m/s 237 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 6.7 C in the air. |
XC Potential (4hrs) 93km downwind XC or 66 km Triangle Possible by Sport Class Pilot. |
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Wed 13/05/2026 1500 AES |
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Wind on the Ground (WNW) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
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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Wed 13/05/2026 1700 AES |
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Wind on the Ground (NW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 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) 0km downwind XC or 0 km Triangle Possible by Sport Class Pilot. |
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Thu 14/05/2026 1100 AES |
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Wind on the Ground (NNW) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 0kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 1038 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.59m/s 312 ft/min |
Temperature 15 C It will be cool on the ground. It will be down to 4.6 C in the air. |
XC Potential (4hrs) 93km downwind XC or 66 km Triangle Possible by Sport Class Pilot. |
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Thu 14/05/2026 1300 AES |
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Wind on the Ground (NW) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 0.84m/s 165 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) 77.5km downwind XC or 55 km Triangle Possible by Sport Class Pilot. |
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Thu 14/05/2026 1500 AES |
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Wind on the Ground (N) 4kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 70% Updraft Velocity 0.63m/s 123 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) 54.25km downwind XC or 38.5 km Triangle Possible by Sport Class Pilot. |
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Thu 14/05/2026 1700 AES |
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Wind on the Ground (NNE) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
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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Fri 15/05/2026 1100 AES |
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Wind on the Ground (N) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1269 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.74m/s 341 ft/min |
Temperature 16 C It will be cool on the ground. It will be down to 3.3 C in the air. |
XC Potential (4hrs) 96km downwind XC or 60 km Triangle Possible by Sport Class Pilot. |
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Fri 15/05/2026 1300 AES |
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Wind on the Ground (N) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1531 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.96m/s 384 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 1.7 C in the air. |
XC Potential (4hrs) 99km downwind XC or 54 km Triangle Possible by Sport Class Pilot. |
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Fri 15/05/2026 1500 AES |
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Wind on the Ground (N) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
Thermal Height 1280 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.41m/s 276 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 4.2 C in the air. |
XC Potential (4hrs) 99km downwind XC or 54 km Triangle Possible by Sport Class Pilot. |
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Fri 15/05/2026 1700 AES |
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Wind on the Ground (N) 11kph Moderate winds, light turbulence possible. |
Winds Aloft (N) 11kph Moderate winds, light turbulence possible. Vertical Wind Shear: light |
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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Sat 16/05/2026 1100 AES |
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Wind on the Ground (WNW) 0kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 1191 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 1.65m/s 323 ft/min |
Temperature 17 C It will be cool on the ground. It will be down to 5.1 C in the air. |
XC Potential (4hrs) 90km downwind XC or 72 km Triangle Possible by Sport Class Pilot. |
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Sat 16/05/2026 1300 AES |
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Wind on the Ground (NW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 7kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 1770 m Great height for flying XC. |
Thermal Quality 100% Updraft Velocity 2.03m/s 398 ft/min |
Temperature 18 C It will be cool on the ground. It will be down to 0.3 C in the air. |
XC Potential (4hrs) 96km downwind XC or 60 km Triangle Possible by Sport Class Pilot. |
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Sat 16/05/2026 1500 AES |
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Wind on the Ground (WNW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: moderate |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 100% Updraft Velocity 0.94m/s 184 ft/min |
Temperature 18 C It will be cool on the ground. It will be down to 11.4 C in the air. |
XC Potential (4hrs) 80km downwind XC or 50 km Triangle Possible by Sport Class Pilot. |
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Sat 16/05/2026 1700 AES |
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Wind on the Ground (WSW) 7kph Light Winds, no turbulence expected. |
Winds Aloft (N) 4kph Light Winds, no turbulence expected. Vertical Wind Shear: light |
Thermal Height 657 m XC Possible but difficult conditions. |
Thermal Quality 0% Updraft Velocity 0m/s 0 ft/min |
Temperature 14 C It will be cold on the ground. It will be down to 7.4 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....