Surf Forecasts:
Turtle Cove surf forecast from 1 Sep 2026:
- Best quality surf: Thursday 3 Sep, 11AM (local time) - 3.5ft (1.0m), 6s period, SE swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 5AM (local time) - 7ft (2.1m), 6s period, SW swell with 349 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 11AM (local time) - 3.5ft (1.0m), 6s 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 11AM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.4m and 9s. 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 2.1m 6s and forecast to arrive on Tuesday (Sep 08) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Monday (Sep 07) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Thu 3rd Sep) | 3.5ft (1.0m) 6s |
| Best Surf | 11AM (Thu 3rd Sep) | 3.5ft (1.0m) 6s |
| Most Powerful | 5AM (Tue 8th Sep) | 7ft (2.1m) 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 on the table for the next couple of weeks.
Right off the bat, I’ve gotta be straight with you – it’s a tough stretch. The first week and a half is looking pretty bleak. We’re talking about a whole lot of nothing from the 1st of September through to the 7th, with swell barely getting above 2 ft and the energy readings are just sad. You’ll be chasing ankle-snappers at best, and most of the time the wind is just messing things up. It’s a proper dry spell.
The first real flicker of hope shows up on Thursday the 10th of September. That afternoon, a 7 ft SW swell rolls in with a period of 7 seconds. The energy is decent at 375, and we’ve got a moderate offshore wind from the west cleaning things up. This is the one to get excited about. Turtle Cove (a reef and point setup) handles that SE optimum swell direction, and this SW swell is a bit off-angle, but that size and those clean conditions will make it work. It’s a solid intermediate wave, but anyone under 5 ft experience might find it a bit much. The water temp is around 70°, which is pretty normal for this time of year.
The 11th of September keeps the swell going with a 5 ft SSW swell in the morning, but the wind goes cross-shore, so it’s not as clean. The afternoon drops to 5 ft but the wind is onshore, so it’s a bit of a letdown after that Thursday afternoon session. After that, the energy fades fast, and we’re back to small stuff for the rest of the window.
Honestly, if you’ve got a window, that Thursday the 10th of September afternoon is the standout. The rest is a waiting game. Sure, the forecasts can change, but right now, it’s a one-day wonder.
Rusty.
Short Range ForecastHeavy rain (total 29mm), heaviest during Tue night. Warm (max 24°C on Thu afternoon, min 19°C on Tue night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sat afternoon. Warm (max 26°C on Fri afternoon, min 18°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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 7 | SE 8 | ESE 6 | ESE 6 | ESE 6 | SE 6 | SE 6 | SE 9 | ESE 6 | ESE 7 | ESE 6 | S 6 | SSW 6 | SSW 6 | NE 4 | NE 4 | ENE 5 | SSE 9 | E 9 | E 9 | SW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12 | 17 | 154 | 155 | 114 | 85 | 69 | 38 | 28 | 25 | 13 | 20 | 15 | 12 | 23 | 17 | 9 | 8 | 14 | 14 | 252 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | on | on | on | on | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross-on | cross-on | cross-on | on | cross-off | off | cross-off | cross-off |
High Tide | 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 | 5:11AM0.75m | 5:44PM0.94m | ||||||||
Low Tide | 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 | 10:47AM0.09m | 11:59PM0.04m | ||||||||
 |  |  | |  |  | |  |  | |  |  | | | | | | | | |  | |
 | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | 7:20 | — | — | 7:19 | — | — | 7:16 | — | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — | — | 7:09 | — |
mm | 1 | 2 | 15 | 1 | — | 4 | 1 | — | 5 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 21 | 22 | 21 | 19 | 20 | 21 | 23 | 24 | 23 | 23 | 26 | 25 | 21 | 21 | 20 | 19 | 20 | 20 | 20 | 21 | 21 |
Feels °C | 22 | 23 | 23 | 16 | 17 | 21 | 24 | 25 | 24 | 24 | 27 | 23 | 18 | 20 | 17 | 15 | 17 | 17 | 18 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 8 | SE 12 | SE 11 | SE 10 | SE 9 | SE 6 | SE 6 | ESE 6 | ESE 7 | ESE 6 | S 6 | SSW 6 | SSW 6 | SSW 7 | SSW 6 | SSW 6 | ENE 4 | E 9 | E 9 | E 10 |
| kJ | 12 | 17 | 71 | 94 | 79 | 54 | 69 | 27 | 28 | 25 | 13 | 20 | 15 | 12 | 15 | 8 | 7 | 6 | 14 | 14 | 30 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | — | SW 4 | SW 4 | SSW 5 | SE 9 | SE 9 | SW 4 | SW 4 | SE 8 | ESE 6 | E 7 | E 7 | ESE 8 | ESE 8 | E 8 | SSE 9 | SE 9 | SE 9 | SSE 8 |
| kJ | 4 | 4 | — | 1 | 1 | 2 | 28 | 38 | 7 | 9 | 11 | 8 | 8 | 4 | 6 | 7 | 5 | 8 | 12 | 12 | 7 |
Swell 3 Height (m) Direction Period (s) | SE 14 | SE 13 | — | — | — | — | SSW 5 | E 5 | SE 8 | SE 8 | S 8 | SE 8 | SE 8 | SE 8 | E 7 | E 9 | SE 9 | SSW 6 | S 6 | — | — |
| kJ | 8 | 7 | — | — | — | — | 3 | 5 | 24 | 11 | 1 | 10 | 9 | 10 | 4 | 6 | 3 | 3 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 3 | ESE 6 | ESE 6 | ESE 6 | SE 6 | — | SSW 5 | WNW 3 | NNW 2 | SW 5 | NW 3 | NNW 3 | WSW 3 | NE 4 | NE 4 | ENE 5 | — | WSW 3 | SW 5 | SW 6 |
| kJ | 1 | 1 | 154 | 155 | 114 | 85 | — | 2 | 1 | 1 | 21 | 5 | 3 | 1 | 23 | 17 | 9 | — | 3 | 60 | 252 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 684 | 1791 | 117 | 584 | 1162 | 26 | 0 | 195 | 6 | 6 | 25 | 25 | 657 | 2582 | 151 | 151 | 151 | 151 | 152 | 152 | 214 |
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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