Fort Le Marchant surfForecast / Guernsey / UK

information circle12 Day Weather and Surf, issued 6 pm Monday 30 Jun 2025 BST
Forecast 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
14.8° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for Fort Le Marchant this week:

The most powerful waves expected at Fort Le Marchant in the next 12 days are 1.6m 6s and forecast to arrive on Sunday (Jul 06) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 10s period and expected on Sunday (Jul 06) at 7PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1AM (Sun 6th Jul)5ft (1.6m) 6s

Table - best surf conditions forecast for Fort Le Marchant over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Mon
30
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Sat
12
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
W
0.2
NNE
1.1
W
0.3
WNW
0.8
WNW
1
NW
0.9
WNW
0.9
N
0.7
NE
0.6
NE
0.5
NE
0.5
NE
0.4
NNE
0.5
NW
0.4
WNW
0.3
WNW
1.6
W
1.7
W
1.9
W
2
WNW
1.6
WNW
0.3
NE
1
WNW
0.7
W
0.7
W
0.8
WNW
0.5
W
0.5
W
0.7
WNW
0.2
N
0.2
N
0.4
WNW
0.9
W
0.9
W
0.9
W
0.7
W
Period(s) (?)1031034664443333411691099565577743349999
Wave
Graph
(?)Metric surfscale
Energy (?)010220645333181245476017700004702625000161160000
Wind
(km/h)
20
ENE
15
NW
10
WNW
20
WNW
20
NW
25
NNW
20
NW
30
NNW
25
NNE
25
NNE
20
NNE
15
NNE
20
N
15
NW
25
WSW
35
WSW
35
WNW
35
WNW
30
W
25
W
30
WNW
30
WNW
30
NNW
25
NW
25
WNW
25
NW
25
WSW
20
WNW
25
NNW
20
NW
15
WNW
15
NNW
15
ENE
20
NE
10
NE
0
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
oncross-
on
oncross-
on
cross-
off
cross-
off
crosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
crosscross-
on
cross-
on
cross-
on
oncrosscross-
on
cross-
on
glass
High Tide
/ height (m)
11:04PM
7.19
11:32AM
6.69
11:49PM
6.76
12:18PM
6.35
12:36AM
6.35
1:09PM
6.06
1:30AM
6.00
2:07PM
5.86
2:33AM
5.78
3:11PM
5.80
3:40AM
5.74
4:14PM
5.90
4:42AM
5.88
5:10PM
6.14
5:36AM
6.15
5:59PM
6.47
6:23AM
6.48
6:42PM
6.83
7:05AM
6.81
7:23PM
7.19
7:45AM
7.11
8:01PM
7.50
8:23AM
7.35
Low Tide
/ height (m)
5:01PM
1.49
5:29AM
1.38
5:44PM
1.84
6:12AM
1.77
6:30PM
2.19
6:58AM
2.12
7:21PM
2.48
7:50AM
2.41
8:19PM
2.67
8:49AM
2.59
9:24PM
2.72
9:53AM
2.61
10:29PM
2.59
10:55AM
2.48
11:28PM
2.33
11:50AM
2.22
12:19AM
1.99
12:37PM
1.91
1:03AM
1.63
1:19PM
1.59
1:44AM
1.28
1:58PM
1.31
2:22AM
0.99
Mon
30
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Sat
12
Sunrise--5:07--5:07--5:07--5:09--5:09--5:09--5:11--5:11--5:13--5:13--5:15--5:16
Sunset9:20--9:20--9:19--9:19--9:19--9:17--9:17--9:16--9:16--9:15--9:15--9:15--
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Rain (mm)
---------------------1--------------
Temp. °C272418201915191817191818181816161716171615151614161616181716191918191919
Feels °C (?)252218181610141211131214131412111210121198119111113151313181815141517

Short Range Forecast: Mostly dry. Warm (max 27°C on Mon afternoon, min 14°C on Tue night). Winds increasing (light winds from the WNW on Tue morning, fresh winds from the NNW by Wed night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Thu afternoon, min 16°C on Fri night). Winds increasing (light winds from the WNW on Fri night, strong winds from the WNW by Sat night).

Days 6-9 Weather Summary Some drizzle, heaviest during Mon afternoon. Very mild (max 17°C on Sun afternoon, min 14°C on Mon night). Mainly fresh winds.

Long Range Forecast: Mostly dry. Warm (max 20°C on Sat afternoon, min 15°C on Wed night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 12 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.

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