Surf Forecasts:
Turtle Cove surf forecast from 21 Aug 2026:
- Best quality surf: Monday 24 Aug, 2PM (local time) - 3.5ft (1.1m), 6s period, S swell with offshore winds.
- Most powerful swell: Friday 21 Aug, 11PM (local time) - 5ft (1.5m), 6s period, ENE swell with 158 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 11PM (local time) - 3.5ft (1.0m), 6s period with SSE 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 Sunday (Aug 23) at 11PM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.3m and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Turtle Cove in the next 16 days are 1.5m 6s and forecast to arrive on Friday (Aug 21) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Friday (Aug 28) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 23rd Aug) | 3.5ft (1.0m) 6s |
| Best Surf | 2PM (Mon 24th Aug) | 3.5ft (1.1m) 6s |
| Most Powerful | 11PM (Fri 21st Aug) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Turtle Cove over the next 16 days.
The Lowdown
Alright mate, Rusty here. Let’s have a good look at what’s on the cards for Turtle Cove.
Honestly, the next 16 days are a bit of a flat spell for Turtle Cove. There’s a lot of poor surf conditions and not much to get excited about. The energy is weak for most of this run, with the combined swell energy sitting mostly in the double digits, like 42 to 101, which is pretty weak. We’ve got a few surfable windows, but nothing that’s going to have you skipping work. The water temp is about average for the time of year, so nothing wild there.
The first real chance to get wet is Sunday, the 23rd of August. Early morning there’s a risk of thunderstorms, but the wind is a light cross-off from the SW, making it clean. The swell is a tiny 2 ft from the SSE with a short period of 5 seconds, so it’s not pretty, but it’s surfable. The afternoon cleans up even more with a moderate offshore from the WSW, and the swell lifts a bit to 4 ft from the S. The energy is still weak at 90, but it’s the best of the first week. It’s a reef and point setup, so that short period swell won’t do much, but the offshore wind will keep it tidy.
Monday the 24th has a similar look in the morning – 3 ft from the S with a clean offshore from the W, but the energy is only 113. It’s surfable, but ordinary. The rest of the week is pretty much a dud, with tiny waves and cross-onshore winds.
There’s a gap of a few days with nothing worth mentioning, then we get a bit of a pulse around the 1st of September. Tuesday morning the 1st, the swell drops to 5 ft from the SW with a period of 6 seconds, but the energy jumps to 334 – that’s moderate energy for the first time. The wind is a clean cross-off from the SW, so it’s decent. The swell is 5 ft, which is fine for intermediate surfers, but it’s still short period, so it’ll be a bit lumpy. The afternoon is similar but the wind picks up to a fresh breeze, so keep it to the morning.
The 4th of September Friday afternoon sees a bit more size, with 6 ft from the S and a period of 7 seconds, plus energy at 266. The wind is clean, cross-off from the SSW. That’s the biggest swell of the whole outlook, but it’s still short period and borderline for beginners. It’s a marginal call on the tide.
Overall, the standout is Sunday afternoon the 23rd of August – clean offshore wind, 4 ft from the S, and it’s the first real chance to get a wave. The secondary best is Tuesday morning the 1st of September, with the best energy and clean conditions. No big groundswells, no long period, just a few windows of clean, small surf.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Sun morning. Warm (max 25°C on Sun night, min 19°C on Fri morning). Winds decreasing (strong winds from the NE on Fri morning, light winds from the SSE by Sun afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Mon afternoon, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
AM | 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) | ENE 5 | ENE 6 | ENE 6 | ENE 5 | E 5 | SE 9 | SSE 4 | SSE 5 | SSE 6 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SE 10 | SE 10 | SE 9 | SE 8 | SSE 7 | SSE 5 | SE 6 |
Wave Graph | |||||||||||||||||||||
85 | 143 | 156 | 39 | 13 | 13 | 29 | 37 | 114 | 64 | 85 | 61 | 28 | 25 | 17 | 23 | 29 | 28 | 68 | 74 | 37 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-off |
High Tide | 3:43PM0.74m | 3:07AM0.55m | 4:56PM0.75m | 5:09AM0.57m | 5:52PM0.77m | 6:10AM0.62m | 6:36PM0.80m | 6:56AM0.68m | 7:13PM0.84m | 7:34AM0.74m | 7:45PM0.87m | 8:07AM0.80m | 8:14PM0.88m | ||||||||
Low Tide | 10:13PM0.29m | 8:54AM0.27m | 11:11PM0.26m | 10:13AM0.26m | 11:56PM0.22m | 11:19AM0.23m | 00:32AM0.16m | 12:09PM0.19m | 1:04AM0.11m | 12:53PM0.14m | 1:34AM0.06m | 1:34PM0.10m | 2:05AM0.02m | ||||||||
6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | |
— | 7:37 | — | — | 7:36 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:30 | — | — | 7:28 | — | |
mm | 1 | — | — | — | 1 | 1 | 6 | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 31 |
Temp °C | 20 | 20 | 20 | 20 | 20 | 20 | 22 | 24 | 25 | 22 | 24 | 24 | 21 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 26 |
Feels °C | 16 | 15 | 17 | 21 | 21 | 21 | 23 | 24 | 26 | 19 | 20 | 21 | 17 | 19 | 19 | 23 | 23 | 23 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SE 8 | S 6 | SE 14 | ENE 5 | E 5 | ESE 8 | ESE 12 | ESE 12 | SSE 6 | SSW 7 | SE 11 | SSW 6 | SSW 6 | SE 10 | SE 10 | SE 10 | SE 9 | SE 8 | SE 9 | SE 10 | SE 6 |
18 | 9 | 8 | 39 | 13 | 11 | 14 | 14 | 114 | 64 | 19 | 61 | 28 | 17 | 17 | 23 | 29 | 28 | 14 | 14 | 37 | |
Swell 2 Height (m) Direction Period (s) | SW 5 | SE 14 | SE 14 | ESE 8 | ESE 8 | E 5 | ESE 7 | ESE 8 | SE 12 | SE 7 | ESE 7 | SE 11 | SE 6 | SE 6 | SE 6 | E 6 | E 6 | S 6 | E 12 | E 11 | SE 9 |
1 | 8 | 7 | 12 | 11 | 5 | 5 | 7 | 22 | 36 | 5 | 30 | 9 | 9 | 1 | 3 | 3 | 1 | 3 | 2 | 31 | |
Swell 3 Height (m) Direction Period (s) | SE 15 | — | SW 5 | SE 13 | SE 9 | SE 9 | — | E 7 | SE 12 | SE 12 | E 6 | SE 11 | SE 11 | E 6 | E 6 | E 6 | E 6 | E 8 | E 8 | E 8 | E 11 |
8 | — | 1 | 7 | 3 | 13 | — | 4 | 22 | 21 | 3 | 30 | 18 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 2 | |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 6 | ENE 6 | N 4 | — | — | SSE 4 | SSE 5 | WSW 5 | — | SSW 6 | W 4 | W 2 | SSW 6 | SW 4 | SSW 6 | SSW 3 | S 4 | SSE 7 | SSE 5 | SSW 5 |
85 | 143 | 156 | 8 | — | — | 29 | 37 | 23 | — | 85 | 6 | 1 | 25 | 11 | 12 | 5 | 15 | 68 | 74 | 51 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 214 | 316 | 2716 | 30 | 645 | 183 | 184 | 0 | 0 | 2 | 45 | 45 | 0 | 0 | 1107 | 6 | 657 | 670 | 214 | 584 | 594 |
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.











