
Surf Forecasts:
Fort Le Marchant surf forecast from 9 Oct 2026:
- Most powerful swell: Sunday 11 Oct, 4AM (local time) - 1ft (0.3m), 4s period, NNW swell with 3 kJ wave energy.
Best Forecast Surf Conditions for Fort Le Marchant this week:
The most powerful waves expected at Fort Le Marchant in the next 16 days are 0.3m 4s and forecast to arrive on Sunday (Oct 11) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Friday (Oct 09) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Sun 11th Oct) | 1ft (0.3m) 4s |
Table - best surf conditions forecast for Fort Le Marchant over the next 16 days.
Short Range ForecastLight rain (total 7mm), mostly falling on Fri afternoon. Very mild (max 18°C on Sun afternoon, min 13°C on Sun morning). Winds decreasing (near gales from the WSW on Fri afternoon, light winds from the SW by Sat night). | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Mon morning. Very mild (max 18°C on Mon morning, min 15°C on Tue night). Winds increasing (light winds from the WSW on Tue night, strong winds from the SW by Wed night). | ||||||||||||||||||||
Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | W 7 | W 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | W 12 | W 11 | S 5 | W 13 | W 12 | WSW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 13 | W 13 | W 12 | W 12 |
Wave Graph | |||||||||||||||||||||
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 on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-on | cross-on | cross | cross | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on |
High Tide | 6:38PM7.96m | 6:59AM8.01m | 7:14PM8.21m | 7:33AM8.22m | 7:48PM8.28m | 8:04AM8.24m | 8:20PM8.17m | 8:35AM8.10m | 8:52PM7.90m | 9:06AM7.80m | 9:23PM7.49m | 9:37AM7.38m | 9:55PM6.99m | ||||||||
Low Tide | 12:37PM0.80m | 00:57AM0.42m | 1:13PM0.46m | 1:31AM0.25m | 1:46PM0.30m | 2:02AM0.26m | 2:18PM0.31m | 2:32AM0.44m | 2:48PM0.49m | 3:02AM0.75m | 3:19PM0.82m | 3:32AM1.16m | 3:50PM1.26m | ||||||||
7:20 | — | — | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | |
— | 6:32 | — | — | 6:30 | — | — | 6:28 | — | — | 6:25 | — | — | 6:23 | — | — | 6:22 | — | — | 6:20 | — | |
mm | — | 2 | — | — | — | — | 1 | 2 | 2 | 4 | 3 | — | 1 | — | — | — | — | 1 | 6 | — | — |
Temp °C | 16 | 16 | 15 | 14 | 14 | 15 | 13 | 18 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 15 | 16 | 16 | 14 | 14 | 15 |
Feels °C | 9 | 7 | 6 | 7 | 7 | 11 | 8 | 14 | 14 | 16 | 15 | 16 | 12 | 12 | 15 | 11 | 12 | 10 | 8 | 9 | 11 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | WNW 10 | W 12 | W 11 | W 7 | W 13 | W 12 | W 10 | — | — | W 10 | W 10 | W 10 | W 13 | W 13 | W 12 | W 12 |
— | — | — | — | — | 385 | 325 | 184 | 23 | 861 | 872 | 687 | — | — | 434 | 443 | 386 | 736 | 1922 | 1091 | 714 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | WNW 11 | W 13 | — | — | — | — | — | W 16 | W 15 | — | — | — | — |
— | — | — | — | — | — | — | — | 37 | 222 | — | — | — | — | — | 5 | 17 | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | W 7 | W 8 | WNW 9 | WNW 10 | WNW 10 | — | WSW 3 | S 4 | S 5 | SSW 4 | SSW 5 | WSW 10 | W 10 | W 10 | — | SW 3 | — | W 13 | — | — | — |
532 | 1029 | 880 | 757 | 680 | — | 7 | 13 | 55 | 40 | 54 | 844 | 865 | 730 | — | 5 | — | 1191 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 609 | 677 | 210 | 205 | 201 | 102 | 102 | 103 | 76 | 70 | 70 | 70 | 122 | 122 | 48 | 50 | 122 | 122 | 120 | 120 | 102 |
Best forecast wave conditions in Guernsey | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
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Information about the Fort Le Marchant Surf forecast
The above surf forecast table for Fort Le Marchant provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Fort Le Marchant can be found by selecting the local surf guide option on the grey menu. Our Fort Le Marchant surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Fort Le Marchant) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Fort Le Marchant may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Guernsey? If you are looking for accommodation near Fort Le Marchant, camping, hotels and holiday cottages in Guernsey, consider staying in Saint Peter Port which is 7 km (4 miles) away. Other places in and around Guernsey where you can find information about places to rent, and car hire include Guernsey which is 11 km (7 miles) away, Saint Helier, Octeville and Equeurdreville-Hainneville.










