Surf Forecasts:
St Ouen's Bay - Watersplash surf forecast from 4 Aug 2026:
- Most powerful swell: Wednesday 5 Aug, 7PM (local time) - 4.5ft (1.4m), 8s period, W swell with 227 kJ wave energy.
Best Forecast Surf Conditions for St Ouen's Bay - Watersplash this week:
The most powerful waves expected at St Ouen's Bay - Watersplash in the next 16 days are 1.4m 8s and forecast to arrive on Wednesday (Aug 05) at 7PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Aug 11) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Wed 5th Aug) | 4.5ft (1.4m) 8s |
Table - best surf conditions forecast for St Ouen's Bay - Watersplash over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's on the menu for the next couple of weeks.
It's a bit of a slow start, I won't lie. We're looking at St Ouen's Bay - Watersplash, and for the first week and a half, it's pretty much a write-off. The water's sitting at a touch warmer than normal for the time of year, about 67°, but that's where the good news ends for a while. From Tuesday, August 4th right through to Friday, August 14th, it's a real struggle. The swell is tiny, mostly under 3 ft, and the wind is all over the place – mostly onshore or cross-onshore, making a mess of things. The wave energy in that period is weak, but it's all just poor surf. The wind is just too strong and from the wrong direction. You'd be wasting your time.
There's a few days mid-week, from the 12th, where the wind goes offshore or cross-offshore, and the conditions look clean, but the swell is just too small, barely 1 ft. It's a classic case of "looks good but no waves."
Then, finally, on Saturday, August 15th, there's a glimmer. The morning session catches a northwest swell of about 5 ft, and the wind is a light cross-offshore from the NNE at 6 mph. The combined energy of all swells directed here hits 238 (moderate energy), and the forecast actually says "expect good surf conditions". That's your best bet by a long shot. The swell direction is west-northwest, which is a good match for the west optimum. It's a bit of a standout, but it's a short window. The afternoon on the same day goes cross-on and messy, so get on it early.
After that, the swell actually gets bigger. Monday, August 17th sees 6 ft to 6 ft from the west, but the wind is onshore and strong, so it's just a messy, blown-out wall. The energy is strong, but it's not for us. Tuesday, August 18th is even worse, with 28 mph winds onshore. That kind of setup – a beach break, strong onshore wind, and decent swell – honestly looks more interesting for kite surfing than paddle surfing.
So, to wrap it up: There's one real window. Saturday, August 15th, first light. The rest of the 16 days? Unless you're a kite surfer, give it a miss.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 15°C on Fri morning). Winds decreasing (fresh winds from the WSW on Tue night, light winds from the NNE by Fri morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Sat afternoon, min 16°C on Fri afternoon). Mainly fresh winds. | |||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | ||||||||||||||
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 8 | W 6 | W 6 | W 7 | WNW 7 | WNW 7 | WNW 6 | WNW 5 | WNW 6 | W 9 | W 9 | W 9 | W 9 | W 9 | WNW 9 | WNW 9 | NW 4 | NNW 4 | W 6 | WNW 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 72 | 106 | 127 | 173 | 188 | 96 | 43 | 51 | 10 | 7 | 6 | 6 | 6 | 15 | 16 | 8 | 31 | 23 | 21 | 7 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-off | cross-off | cross | off | cross-off | cross | cross | cross-on | cross-on | cross |
High Tide | 11:06PM8.05m | 11:31AM7.72m | 11:51PM7.60m | 12:21PM7.29m | 00:49AM7.09m | 1:26PM6.87m | 2:06AM6.68m | 2:51PM6.68m | 3:38AM6.64m | 4:18PM6.92m | 4:59AM7.03m | 5:29PM7.51m | ||||||||
Low Tide | 5:06PM1.27m | 5:28AM1.23m | 5:47PM1.60m | 6:13AM1.66m | 6:39PM2.00m | 7:10AM2.13m | 7:47PM2.37m | 8:28AM2.49m | 9:19PM2.48m | 10:04AM2.47m | 10:54PM2.12m | 11:29AM2.03m | 00:06AM1.46m | |||||||
 |  |  | | | | | | |  |  | | | | | | | | | | |
 | — | — | 5:45 | — | — | 5:47 | — | — | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — |
 | 8:45 | — | — | 8:43 | — | — | 8:40 | — | — | 8:39 | — | — | 8:37 | — | — | 8:36 | — | — | 8:35 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 20 | 23 | 22 | 23 | 23 | 22 | 19 | 21 | 22 |
Feels °C | 20 | 15 | 14 | 13 | 12 | 14 | 13 | 13 | 14 | 12 | 13 | 17 | 16 | 19 | 17 | 16 | 19 | 16 | 17 | 20 |
Swell 1 Height (m) Direction Period (s) | W 8 | — | — | — | — | WNW 7 | WNW 6 | W 10 | WNW 6 | WNW 6 | W 9 | W 9 | W 9 | W 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | W 6 | WNW 6 |
| kJ | 72 | — | — | — | — | 96 | 43 | 8 | 10 | 6 | 6 | 6 | 6 | 15 | 16 | 8 | 7 | 13 | 21 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 10 | WNW 6 | N 4 | W 9 | W 5 | W 5 | W 5 | W 5 | W 5 | — | W 7 | W 7 | WNW 8 | WNW 8 |
| kJ | — | — | — | — | — | — | 8 | 4 | 5 | 7 | 2 | 1 | 1 | 1 | 1 | — | 1 | 1 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 10 | — | — | W 5 | — | W 5 | — | — | — | — | — | W 6 |
| kJ | — | — | — | — | — | — | — | — | 7 | — | — | 1 | — | 1 | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | — | W 6 | W 6 | W 7 | WNW 7 | — | — | WNW 5 | — | N 3 | NNE 2 | — | NNE 2 | NE 3 | NNE 3 | N 3 | NW 4 | NNW 4 | N 4 | N 3 |
| kJ | — | 106 | 127 | 173 | 188 | — | — | 51 | — | 2 | 1 | — | 1 | 2 | 3 | 3 | 31 | 23 | 7 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 119 | 205 | 669 | 119 | 181 | 205 | 188 | 234 | 473 | 540 | 526 | 201 | 200 | 205 | 649 | 192 | 207 | 250 | 200 | 204 |
Best forecast wave conditions in Jersey | ||||||||||||||||||||
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Information about the St Ouen's Bay - Watersplash Surf forecast
The above surf forecast table for St Ouen's Bay - Watersplash provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at St Ouen's Bay - Watersplash can be found by selecting the local surf guide option on the grey menu. Our St Ouen's Bay - Watersplash 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 (St Ouen's Bay - Watersplash) 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 St Ouen's Bay - Watersplash 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.
St Ouen's Bay - Watersplash is 8 km (5 miles) from Saint Helier. If you plan a holiday in Jersey, look for hotels and other accommodation in Saint Helier. Saint Helier has rooms for a wide range of budgets as well as car hire and transport links.
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