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Surf Forecasts:
Fort Le Marchant surfForecast / Guernsey / UK
48hr Weather and Surf, issued 6 pm Wednesday 17 Sep 2025 BSTForecast update in hr min s Forecast update imminent
Fort Le Marchant surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Fort Le Marchant sea temperature is
17.3° C
(Which is slightly warmer than usual)Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | off | off | glass | cross- on | cross- on | glass | cross- off | glass | off | off |
High Tide / height (m) | 4:17PM 5.99 | 5:02AM 6.09 | 5:24PM 6.56 | 5:55AM 6.66 | 6:10PM 7.13 | 6:35AM 7.19 | ||||||||||||||||||
Low Tide / height (m) | 10:51PM 2.28 | 11:19AM 2.27 | 11:51PM 1.70 | 12:10PM 1.70 | 12:34AM 1.17 | 12:48PM 1.20 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:52 | - | - |
| Sunset | - | 7:20 | - | - | - | - | - | - | - | 7:17 | - | - | - | - | - | - | - | 7:15 | - | - | - | - | - | - |
 |  |  |  | | | |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 16 | 17 | 18 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 22 | 21 | 18 | 18 | 17 | 17 | 17 | 18 |
| Feels °C (?) | 11 | 11 | 12 | 13 | 13 | 14 | 15 | 17 | 18 | 19 | 18 | 17 | 18 | 16 | 16 | 15 | 21 | 18 | 15 | 18 | 16 | 16 | 14 | 15 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Guernsey
The wind is still cross-off at Fort Le Marchant (moderate winds from the WSW at Sun Yachts 5 km from Fort Le Marchant). No surfable waves
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Actual: 42 min ago
26 km/h
WSW
Cross-Off
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