Surf Forecasts:
Turtle Cove surf forecast from 25 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 5AM (local time) - 2.5ft (0.7m), 6s period, S swell with offshore winds.
- Most powerful swell: Wednesday 26 Aug, 8PM (local time) - 2.5ft (0.7m), 9s period, SE swell with 77 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 5AM (local time) - 2.5ft (0.7m), 6s period with S swell.
Best Forecast Surf Conditions for Turtle Cove this week:
The surf forecast for Turtle Cove over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 5AM. The primary swell is predicted to be 0.7m and 6s period with a secondary swell of 0.3m and 11s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Turtle Cove in the next 16 days are 0.7m 9s and forecast to arrive on Wednesday (Aug 26) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Friday (Aug 28) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 25th Aug) | 2.5ft (0.7m) 6s |
| Best Surf | 5AM (Tue 25th Aug) | 2.5ft (0.7m) 6s |
| Most Powerful | 8PM (Wed 26th Aug) | 2.5ft (0.7m) 9s |
Table - best surf conditions forecast for Turtle Cove over the next 16 days.
The Lowdown
Alright, let’s get the low-down on Turtle Cove. It’s looking pretty flat and slow to start here.
We’ve got a long dry spell of tiny, weak surf before anything worth paddling out for shows up. The first real sign of life doesn’t hit until the afternoon of Wednesday the 2nd of September. Before that, it’s a full week of mostly useless waves.
Wave energy is low for a long stretch, often sitting under 100 (43) or just barely creeping into the triple digits. You’re waiting for a proper bump.
The real deal is the stretch from the 2nd through the 4th of September. The standout is the afternoon of Thursday the 3rd of September. There’s a solid 7ft swell out of the East, with a period of 8 seconds. The combined energy is strong at 636 – that’s proper moderate juice. The wind comes offshore from the SSW, keeping it clean. This is your best look. Thursday morning is a bit meaty for most folks at 8ft from the ENE, but it shows the ocean has some push.
Turtle Cove is a reef and point break, so it handles the SE swell we’re seeing well. Water temp is about average for this time of year. The wind is offshore for that Thursday afternoon, so it’ll be clean. Crowds are sometimes a factor here, so if you see that pulse, get in early.
Friday the 4th of September is also worth a look. The morning is glassy with a clean 3ft SE swell – a very long period of 13 seconds there (455), meaning real groundswell energy. That’s pure quality for a point. The afternoon bumps up a bit to 5ft from the East with a clean offshore wind, making it another excellent day.
Don’t even bother before the 2nd. It’s all ankle-snappers and messy wind. After the 4th, the surf looks like it fades back into small and weak conditions, so that window is your only real shot.
- Rusty
Short Range ForecastMostly dry. Warm (max 24°C on Mon night, min 18°C on Wed morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Fri morning. Warm (max 25°C on Fri morning, min 17°C on Sat morning). Winds decreasing (fresh winds from the S on Thu night, calm by Sun morning). | ||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||
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) | S 6 | SE 11 | SE 10 | SE 10 | ESE 9 | SE 8 | SE 8 | SE 8 | SE 9 | SE 8 | SE 8 | SSW 6 | SSW 6 | SE 8 | S 6 | SSW 6 | SE 8 | SE 8 | SE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 47 | 18 | 17 | 28 | 52 | 72 | 72 | 72 | 77 | 72 | 57 | 55 | 53 | 55 | 51 | 36 | 34 | 24 | 22 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | off | cross-off | cross-off | cross | cross | cross-off | cross-off | off | cross-off | cross | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 6:56AM0.68m | 7:13PM0.84m | 7:34AM0.74m | 7:45PM0.87m | 8:07AM0.80m | 8:14PM0.88m | 8:37AM0.85m | 8:44PM0.89m | 9:07AM0.89m | 9:17PM0.88m | 9:40AM0.92m | 9:54PM0.86m | |||||||
Low Tide | 00:32AM0.16m | 12:09PM0.19m | 1:04AM0.11m | 12:53PM0.14m | 1:34AM0.06m | 1:34PM0.10m | 2:05AM0.02m | 2:14PM0.06m | 2:37AM-0.01m | 2:55PM0.05m | 3:11AM-0.02m | 3:38PM0.04m | 3:47AM-0.01m | ||||||
 |  | | | |  | |  | |  |  | |  | | | | | | | |
 | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — |
 | 7:32 | — | 7:30 | — | — | 7:30 | — | — | 7:28 | — | — | 7:27 | — | — | 7:24 | — | — | 7:23 | — |
mm | — | — | — | — | — | — | — | — | — | 2 | 4 | — | — | — | — | — | — | — | — |
Temp °C | 24 | 21 | 23 | 23 | 20 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 24 | 19 | 23 | 23 | 22 | 22 | 22 |
Feels °C | 21 | 18 | 19 | 21 | 19 | 21 | 20 | 22 | 24 | 23 | 26 | 26 | 25 | 16 | 20 | 20 | 20 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | SE 10 | SW 5 | ESE 9 | SE 8 | SE 8 | SE 8 | SE 9 | SE 8 | SE 8 | SSW 6 | SSW 6 | SSW 6 | S 6 | SSW 6 | SE 8 | SE 8 | SE 8 |
| kJ | 47 | 17 | 17 | 22 | 52 | 72 | 72 | 72 | 77 | 72 | 57 | 52 | 53 | 44 | 51 | 36 | 34 | 24 | 22 |
Swell 2 Height (m) Direction Period (s) | SE 11 | ESE 6 | ESE 6 | SE 10 | SW 4 | — | S 6 | — | — | E 11 | — | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 6 | SSW 6 | — |
| kJ | 18 | 8 | 8 | 28 | 5 | — | 2 | — | — | 2 | — | 55 | 53 | 55 | 31 | 24 | 11 | 10 | — |
Swell 3 Height (m) Direction Period (s) | ESE 7 | SE 11 | E 6 | ESE 6 | SE 5 | — | — | — | — | — | — | E 10 | E 10 | E 9 | NNW 3 | E 9 | — | E 9 | — |
| kJ | 5 | 18 | 1 | 3 | 1 | — | — | — | — | — | — | 2 | 2 | 2 | 1 | 2 | — | 2 | — |
Wind waves Height (m) Direction Period (s) | — | WSW 3 | SW 4 | WSW 5 | SW 4 | SW 3 | SW 3 | SSW 3 | SSW 4 | S 5 | S 5 | — | — | NNW 3 | WSW 2 | WNW 3 | — | — | SSW 3 |
| kJ | — | 2 | 22 | 27 | 9 | 4 | 3 | 4 | 17 | 64 | 71 | — | — | 1 | 1 | 2 | — | — | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 183 | 214 | 25 | 0 | 0 | 0 | 153 | 1154 | 201 | 0 | 0 | 28 | 28 | 0 | 0 | 657 | 2582 | 2364 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Turtle Cove Surf forecast
The above surf forecast table for Turtle Cove provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Turtle Cove can be found by selecting the local surf guide option on the grey menu. Our Turtle Cove 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 (Turtle Cove) 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 Turtle Cove 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.
Turtle Cove is 34 km (21 miles) from Westerly. If you plan a vacation in Long Island New York, look for hotels and other accommodation in Westerly. Westerly has rooms for a wide range of budgets as well as car hire and transport links.
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