Grand Mere surfForecast / Saint Barthélemy / Saint Barthélemy

information circle12 Day Weather and Surf, issued 1 pm Wednesday 02 Jul 2025 AST
Forecast update in hr  min  s Forecast update imminent
Grand Mere surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grand Mere sea temperature is
28.0° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Grand Mere this week:

The most powerful waves expected at Grand Mere in the next 12 days are 1.7m 7s and forecast to arrive on Tuesday (Jul 08) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 9s period and expected on Thursday (Jul 03) at 8PM.

Wave TypeTime (AST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Tue 8th Jul)5.5ft (1.7m) 7s

Table - best surf conditions forecast for Grand Mere over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Wed
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Mon
14
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 (?)
1
ESE
1.2
E
1
E
0.9
E
1
E
1.3
E
1.3
E
1.3
E
1.4
E
1.3
E
1.2
E
1.2
E
1.2
E
1.4
E
1.4
E
1.4
E
1.7
E
1.4
E
1.3
E
1.2
ENE
1.4
ENE
1.3
E
1.3
ENE
1.4
ENE
1.7
E
1.9
E
1.8
E
1.8
E
1.7
E
1.5
E
1.4
E
1.1
E
1
ENE
0.9
ENE
0.4
ENE
1.1
E
Period(s) (?)888785788888777777777788778888888887
Wave
Graph
(?)Metric surfscale
Energy (?)210160111951188717719824120316416015921018018426320018317621519320426427537837839135028024518118014227114
Wind
(km/h)
25
E
25
E
20
ESE
25
E
25
E
30
ESE
25
ESE
30
E
30
E
25
E
30
E
25
E
25
E
30
ENE
30
E
30
E
35
E
30
E
30
E
25
E
30
ESE
25
E
35
ESE
25
E
35
E
30
E
30
E
25
E
30
E
30
E
25
E
25
ENE
30
E
25
E
25
E
30
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
crosscrosscross-
off
crosscrosscrosscross
High Tide
/ height (m)
11:31PM
0.33
4:11PM
0.33
11:08PM
0.33
5:46PM
0.38
6:20PM
0.41
6:47PM
0.44
7:13PM
0.45
7:40PM
0.45
8:08PM
0.46
8:36PM
0.46
9:03PM 3:22AM
0.45 0.39
9:27PM
0.44
5:03AM
0.36
9:47PM
0.41
6:53AM
0.32
Low Tide
/ height (m)
6:02PM
0.27
8:07AM
0.05
9:10PM
0.33
8:43AM
0.00
9:20AM
-0.04
9:57AM
-0.07
10:36AM
-0.09
11:14AM
-0.11
11:52AM
-0.13
12:29PM
-0.14
1:07PM
-0.13
2:51AM
0.39
1:44PM
-0.11
3:13AM
0.35
2:22PM
-0.06
3:50AM
0.29
Wed
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Mon
14
Sunrise--5:39--5:39--5:39--5:41--5:41--5:41--5:41--5:41--5:41--5:43--5:43--5:43
Sunset6:50--6:50--6:50--6:50--6:50--6:50--6:50--6:50--6:50--6:50--6:50--6:50--
clearclearclearclearclearthunderstorm clearclearclearclearclearclearclearclearclearclearclearclearthunderstorm thunderstorm thunderstorm clearclearpart cloudclearpart cloudpart cloudclearpart cloudpart cloudclearclearclearpart cloudclearpart cloud
Rain (mm)
-----2------------342---------------
Temp. °C272626272727272727272726272626272726262626272727272727272828272726272727
Feels °C (?)272627292826272726262626272524262524252525272627262625262527262725262727

Short Range Forecast: Light rain (total 2mm), mostly falling on Fri morning. Warm (max 27°C on Wed afternoon, min 26°C on Wed night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Sat afternoon, min 26°C on Sat night). Mainly fresh winds.

Days 6-9 Weather Summary Light rain (total 9mm), mostly falling on Tue afternoon. Warm (max 27°C on Wed afternoon, min 26°C on Tue afternoon). Mainly fresh winds.

Long Range Forecast: Mostly dry. Warm (max 28°C on Fri night, min 26°C on Sat night). Mainly fresh winds.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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Information about the Grand Mere Surf forecast

The above surf forecast table for Grand Mere provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Grand Mere can be found by selecting the local surf guide option on the grey menu. Our Grand Mere 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 (Grand Mere) 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 Grand Mere 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 Saint Barthélemy? If you are looking for accommodation near Grand Mere, camping, hotels and holiday cottages in Saint Barthélemy, consider staying in Gustavia which is 4 km (2 miles) away. Other places in and around Saint Barthélemy where you can find information about places to rent, and car hire include Philipsburg which is 33 km (20 miles) away, Marigot, The Valley and Basseterre.

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