Fort Le Marchant surfForecast / Guernsey / UK

information circle16 Day Weather and Surf, issued 6 am Monday 18 May 2026 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
12.5° C
(Which is normal for this time of year)

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 1.1m 5s and forecast to arrive on Monday (May 25) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Wednesday (May 20) at 1AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1PM (Mon 25th May)3.5ft (1.1m) 5s

Table - best surf conditions forecast for Fort Le Marchant over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Mon night. Very mild (max 16°C on Wed afternoon, min 11°C on Mon morning). Winds decreasing (strong winds from the S on Mon night, light winds from the SW by Wed night).

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Warm (max 26°C on Fri afternoon, min 13°C on Sat morning). Wind will be generally light.

Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
W
12
1.3
W
11
0.7
W
11
1.8
WSW
8
2
WSW
9
2.5
WSW
9
2.5
W
14
2.3
W
13
1.8
W
13
1.4
W
12
1.2
W
11
1.1
W
10
1.1
W
10
1.4
W
12
1.3
W
11
0.4
N
3
0.3
NNE
3
0.3
NE
2
0.4
ENE
3
0.7
NE
4
0.9
ENE
4
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
4
16
29
Wind (km/h)
30
SW
25
SSW
45
S
35
SSW
40
WSW
40
SW
35
SW
20
WSW
15
SW
20
SSE
15
ESE
25
SE
20
SE
20
SE
20
W
25
WNW
25
WNW
20
NNW
10
ENE
15
NNE
15
NE
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross
cross-on
cross-on
High Tide
8:31PM8.52m
8:57AM8.25m
9:17PM8.28m
9:46AM7.85m
10:06PM7.88m
10:38AM7.32m
11:00PM7.37m
11:36AM6.77m
00:00AM6.85m
12:43PM6.32m
1:10AM6.44m
1:59PM6.09m
2:26AM6.25m
Low Tide
2:24PM0.20m
2:50AM0.05m
3:11PM0.45m
3:39AM0.32m
4:00PM0.85m
4:32AM0.75m
4:53PM1.34m
5:29AM1.24m
5:52PM1.83m
6:32AM1.70m
6:59PM2.22m
7:43AM2.01m
8:13PM2.41m
cloud
cloud
light rain
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
rain showers
clear
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:20
5:20
5:18
5:16
5:16
5:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:50
8:52
8:52
8:53
8:55
8:57
8:58
3
2
Temp °C
11
12
14
14
13
14
14
16
16
16
21
21
20
26
21
14
16
17
16
19
19
4
7
9
7
5
7
10
13
14
12
18
18
17
24
17
10
12
14
16
17
18
Swell 1
Height (m)
Direction
Period (s)
1.5
W
12
1.3
W
11
0.9
W
6
0.1
W
15
0.2
W
17
2.5
W
14
2.3
W
13
1.8
W
13
1.4
W
12
1.2
W
11
1.1
W
10
1.1
W
10
1.4
W
12
1.3
W
11
1.1
W
11
1.1
W
10
1
W
10
0.9
W
10
0.7
W
9
0.6
W
9
Energy kJ
628
408
61
4
23
2598
1783
1041
526
329
252
244
566
426
279
257
196
149
85
57
Swell 2
Height (m)
Direction
Period (s)
0.7
W
11
0.3
S
4
0.1
W
17
0.6
W
14
Energy kJ
110
3
6
129
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.4
SSW
3
1.1
S
4
1.8
WSW
8
2
WSW
9
2.5
WSW
9
0.5
ESE
3
0.5
SSE
3
0.4
N
3
0.3
NNE
3
0.3
NE
2
0.4
ENE
3
0.7
NE
4
0.9
ENE
4
Energy kJ
3
47
466
586
976
5
7
2
2
1
4
16
29
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
1
4
2
3
3
2
1
2
2
2
1
1
1
1
1
1
Distance (km)
101
50
454
557
677
158
123
95
41
12
6
6
6
6
41
70
124
120
8
8
37
Best forecast wave conditions in Guernsey
Rating
(10 max)
3
2
2
3
3
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
2
1
1
2
2
3
3
3
3
2
4
3
2
1
1
2
2
2
1
Header Global
Rating
(10 max)
5
4
4
4
4
4
5
5
5
5
4
4
5
5
5
5
7
5
5
5
4
  • 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 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.

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