Surf Forecasts:
Turtle Cove surf forecast from 31 Aug 2026:
- Best quality surf: Thursday 3 Sep, 2PM (local time) - 1.5ft (0.5m), 9s period, SE swell with offshore winds.
- Most powerful swell: Tuesday 1 Sep, 8PM (local time) - 5.5ft (1.7m), 6s period, E swell with 214 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 2PM (local time) - 1.5ft (0.5m), 9s period with SE 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 Thursday (Sep 03) at 2PM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.6m and 6s. 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 1.7m 6s and forecast to arrive on Tuesday (Sep 01) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Thursday (Sep 03) at 5PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Thu 3rd Sep) | 1.5ft (0.5m) 9s |
| Best Surf | 2PM (Thu 3rd Sep) | 1.5ft (0.5m) 9s |
| Most Powerful | 8PM (Tue 1st Sep) | 5.5ft (1.7m) 6s |
Table - best surf conditions forecast for Turtle Cove over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming up for Turtle Cove over the next couple of weeks.
Honestly, I’ve got to be straight with you – this is a tough stretch. The data shows a long, dry run with next to nothing on offer for the first week and a half. We’re looking at about eleven days of poor surf conditions before we finally see a tiny glimmer of hope. The water temperature is sitting at 70°F, which is pretty much bang on average for this time of year, so at least you won’t be freezing while you’re staring at flatness.
The first real standout doesn’t arrive until Saturday, September 12th. The morning at Turtle Cove is the only time in the whole forecast worth getting excited about. We’ve got a 6 ft swell coming from the SSW, with a moderate offshore wind blowing from the WNW. That offshore wind is a major positive – it’ll keep the surface clean. The combined wave energy is moderate at 242. The swell period is only 6 seconds though, so it’s a short-period wind swell, not a groundswell. It’s not going to be world-class, but after more than a week of nothing, clean, surfable waves over waist-high will feel like a gift. The afternoon that same day gets blown out by a strong breeze, so get in early.
There’s a brief mention of the morning on Monday, September 14th – a tiny 3 ft northerly wind swell with glassy conditions. The combined energy is weak at 59. It’s surfable, but it’s very ordinary. If you’re desperate, you might get a few knee-high rollers.
All in all, Turtle Cove is a reef and point setup that’s fairly consistent, but it’s going through a flat spell here. The crowds are listed as “sometimes” busy, so if you do paddle out on that Saturday morning, you might have a few others with the same idea. For the rest of the time, save your energy.
Rusty.
Short Range ForecastModerate rain (total 18mm), heaviest on Mon night. Warm (max 22°C on Tue afternoon, min 18°C on Tue night). Mainly strong winds. | Days 4-6 Weather SummaryHeavy rain (total 57mm), heaviest during Thu morning. Warm (max 25°C on Fri afternoon, min 17°C on Sat morning). Winds increasing (light winds from the NW on Fri morning, fresh winds from the NE by Sat afternoon). | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||
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) | SE 8 | SE 8 | SE 8 | SE 7 | E 4 | ESE 6 | ESE 6 | ESE 7 | ESE 6 | SE 9 | ESE 9 | ESE 8 | E 7 | ESE 7 | S 6 | SSW 6 | NE 5 | NE 5 | NE 6 | ENE 6 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 17 | 16 | 14 | 12 | 19 | 177 | 186 | 158 | 88 | 50 | 96 | 56 | 24 | 16 | 21 | 13 | 11 | 71 | 124 | 72 | 130 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | cross-off | cross | on | on | on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-on | on | cross-off |
High Tide | 10:17AM0.94m | 10:34PM0.82m | 10:59AM0.94m | 11:19PM0.77m | 11:46AM0.94m | 00:10AM0.72m | 12:41PM0.91m | 1:10AM0.68m | 1:47PM0.89m | 2:24AM0.66m | 3:10PM0.89m | 3:53AM0.69m | 4:36PM0.91m | ||||||||
Low Tide | 4:22PM0.05m | 4:26AM0.01m | 5:11PM0.09m | 5:09AM0.04m | 6:06PM0.13m | 5:59AM0.08m | 7:14PM0.16m | 6:57AM0.12m | 8:42PM0.18m | 8:08AM0.14m | 10:06PM0.15m | 9:29AM0.13m | 11:08PM0.10m | ||||||||
 |  |  |  |  |  | | | | | |  |  | |  | | |  | | | | |
 | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — |
 | — | 7:22 | — | — | 7:20 | — | — | 7:19 | — | — | 7:16 | — | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — |
mm | — | — | 5 | 3 | 4 | 1 | — | — | 5 | 50 | 1 | 6 | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 21 | 21 | 22 | 19 | 19 | 20 | 22 | 23 | 24 | 24 | 21 | 25 | 25 | 18 | 20 | 20 | 19 | 21 | 20 |
Feels °C | 19 | 21 | 21 | 22 | 25 | 15 | 15 | 17 | 22 | 23 | 24 | 26 | 22 | 23 | 24 | 14 | 13 | 15 | 15 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | SSW 5 | SE 8 | SE 7 | SE 10 | SE 12 | SE 11 | SE 10 | ESE 6 | ESE 6 | ESE 9 | SSW 5 | E 7 | ESE 7 | S 6 | SSW 6 | SSW 6 | SSW 7 | E 10 | E 10 | E 10 |
| kJ | 13 | 9 | 14 | 12 | 4 | 37 | 94 | 49 | 88 | 29 | 96 | 26 | 24 | 16 | 21 | 13 | 7 | 5 | 32 | 29 | 130 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SSW 4 | SW 4 | SE 13 | SW 4 | — | — | SE 9 | SE 9 | E 6 | ESE 8 | SSW 5 | SSW 5 | ESE 7 | ESE 8 | E 7 | SE 9 | SSW 7 | SSW 6 | SE 9 |
| kJ | 17 | 16 | 2 | 1 | 7 | 1 | — | — | 52 | 50 | 19 | 56 | 7 | 7 | 9 | 12 | 10 | 3 | 9 | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | WSW 5 | — | — | SE 10 | — | — | — | — | SW 5 | — | — | E 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 6 | SE 9 | SE 9 | S 6 |
| kJ | 4 | — | — | 4 | — | — | — | — | 1 | — | — | 23 | 11 | 11 | 10 | 10 | 9 | 3 | 3 | 3 | 1 |
Wind waves Height (m) Direction Period (s) | NNE 2 | — | — | SE 2 | E 4 | ESE 6 | ESE 6 | ESE 7 | — | S 4 | SSW 5 | NW 2 | NW 3 | W 3 | NW 4 | N 4 | NE 5 | NE 5 | NE 6 | ENE 6 | — |
| kJ | 1 | — | — | 1 | 19 | 177 | 186 | 158 | — | 21 | 44 | 1 | 3 | 5 | 17 | 10 | 11 | 71 | 124 | 72 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 814 | 657 | 265 | 684 | 424 | 335 | 625 | 350 | 254 | 213 | 2 | 13 | 25 | 61 | 61 | 828 | 151 | 173 | 117 | 151 | 2 |
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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