Surf Forecasts:
Turtle Cove surf forecast from 24 Aug 2026:
- Best quality surf: Monday 24 Aug, 11PM (local time) - 3ft (0.9m), 6s period, S swell with offshore winds.
- Most powerful swell: Friday 28 Aug, 8AM (local time) - 4ft (1.2m), 7s period, SSW swell with 131 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 11PM (local time) - 3ft (0.9m), 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 Monday (Aug 24) at 11PM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.4m and 11s. Another secondary swell of 0.1m and 6s is also forecast. 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 1.2m 7s and forecast to arrive on Friday (Aug 28) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Sunday (Aug 30) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 24th Aug) | 3ft (0.9m) 6s |
| Best Surf | 11PM (Mon 24th Aug) | 3ft (0.9m) 6s |
| Most Powerful | 8AM (Fri 28th Aug) | 4ft (1.2m) 7s |
Table - best surf conditions forecast for Turtle Cove over the next 16 days.
The Lowdown
Alright, grab a coffee, let’s have a look at what’s coming our way for Turtle Cove over the next couple of weeks.
To be straight with you, the forecast is pretty flat for a good stretch. There’s nothing really worth paddling out for until Friday the 28th of August. That’s a solid week of quiet water. So, if you’re hanging for a wave, you’ve got some time to get your gear sorted.
Friday morning the 28th finally shows some life. The swell ticks up to a modest 4ft, coming from the south with a pretty short period of 7 seconds. The wave energy is still light at 189, so it won't be powerful, but the real treat is the wind. A glassy southwest flow of just 3 mph will have the surface looking like a mirror. It’s not going to be a classic, but after a week of nothing, it’ll feel like a winner.
Looking further ahead, the swell builds, but the wind becomes the problem. By the 3rd of September, Thursday afternoon, we see a notable jump in energy – strong wave energy at 1614 – with a solid 6ft south-east swell and a nice 15-second period. That’s real groundswell for the reef and point setup at Turtle Cove. The wind even lightens to a cross-off from the WNW at 16 mph, which should keep things reasonably clean. This is the standout of the forecast. It’s still over a week away, so not locked in, but the potential is absolutely there for the best day of the period. It’s a bit much for beginners, as that size gets punchy, but for anyone comfortable in that range, this is the window to circle.
Water temp is sitting at 71°F, which is bang on average for this time of year, so no worries about needing a thick suit. Crowds at Turtle Cove can pop up sometimes, but on the better days, expect a few more heads out.
After that peak, the swell fades quickly, dropping back under 3ft by the weekend of the 5th. There’s a small window on Friday the 4th with a clean offshore WNW breeze at 16 mph and a 4ft swell, but the energy is dropping fast. By Monday the 8th we’re back to tiny, weak waves.
Overall, you’re waiting until the 28th for a small, clean session, but the real promise is on the 3rd of September if you can wait for it. Hold tight.
- Rusty
Short Range ForecastMostly dry. Warm (max 24°C on Mon morning, min 18°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Thu night. Warm (max 25°C on Fri afternoon, min 22°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||
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) | S 6 | SE 11 | SSW 6 | SE 11 | SE 10 | SE 10 | SE 9 | SE 9 | SE 8 | SE 9 | SE 9 | SE 9 | S 7 | S 6 | S 7 | S 7 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 64 | 37 | 48 | 18 | 17 | 27 | 39 | 62 | 70 | 79 | 81 | 61 | 130 | 76 | 94 | 46 | 35 | 34 | 24 | 18 | 90 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross | glassy | cross-off | cross-off | cross-on | cross | cross-off | cross-off | cross-off | glassy |
High Tide | 6:36PM0.80m | 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 | 11:19AM0.23m | 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 | — | — | 6:05 | — | — | 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 | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | 1 | — | — | — | — | — | 4 |
Temp °C | 24 | 24 | 24 | 21 | 23 | 23 | 20 | 23 | 24 | 24 | 24 | 23 | 23 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 24 |
Feels °C | 22 | 21 | 22 | 18 | 20 | 20 | 18 | 19 | 23 | 23 | 24 | 22 | 26 | 25 | 25 | 24 | 26 | 26 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | S 6 | SE 11 | SSW 6 | S 6 | ESE 6 | SW 5 | SE 9 | SE 9 | SE 8 | SE 9 | SE 9 | SE 9 | S 7 | S 6 | S 7 | S 7 | SSW 6 | SE 8 | SE 8 | SE 8 | SSW 6 |
| kJ | 64 | 31 | 48 | 16 | 8 | 18 | 39 | 62 | 70 | 79 | 81 | 61 | 130 | 76 | 94 | 43 | 32 | 34 | 24 | 18 | 90 |
Swell 2 Height (m) Direction Period (s) | SE 12 | E 6 | SE 11 | ESE 6 | SE 10 | SE 10 | SW 4 | SE 10 | S 6 | — | E 11 | E 11 | SE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SSW 6 | E 9 | E 9 | SE 8 |
| kJ | 21 | 3 | 18 | 8 | 17 | 27 | 5 | 4 | 3 | — | 2 | 2 | 57 | 46 | 54 | 46 | 35 | 12 | 2 | 2 | 17 |
Swell 3 Height (m) Direction Period (s) | E 6 | — | E 6 | SE 11 | E 6 | ESE 6 | SE 5 | — | — | — | E 11 | — | E 10 | E 10 | E 10 | E 9 | E 9 | S 6 | — | — | SE 18 |
| kJ | 3 | — | 3 | 18 | 1 | 3 | 1 | — | — | — | 2 | — | 2 | 2 | 2 | 2 | 2 | 1 | — | — | 13 |
Wind waves Height (m) Direction Period (s) | — | S 6 | — | W 3 | SW 4 | NNW 2 | WNW 3 | SW 3 | SSW 4 | SW 4 | SSW 4 | S 5 | — | — | NW 2 | N 3 | — | SSW 3 | SSW 6 | SSW 5 | — |
| kJ | — | 37 | — | 2 | 24 | 1 | 1 | 6 | 9 | 8 | 10 | 52 | — | — | 1 | 1 | — | 3 | 33 | 47 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 197 | 0 | 183 | 219 | 25 | 25 | 1107 | 152 | 153 | 585 | 193 | 0 | 2 | 0 | 26 | 657 | 57 | 6 | 195 | 0 |
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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