Surf Forecasts:
Turtle Cove surf forecast from 15 Sep 2026:
- Most powerful swell: Sunday 20 Sep, 5PM (local time) - 7ft (2.1m), 7s period, SSW swell with 394 kJ wave energy.
Best Forecast Surf Conditions for Turtle Cove this week:
The most powerful waves expected at Turtle Cove in the next 16 days are 2.1m 7s and forecast to arrive on Sunday (Sep 20) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Sunday (Sep 20) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Sun 20th Sep) | 7ft (2.1m) 7s |
Table - best surf conditions forecast for Turtle Cove over the next 16 days.
The Lowdown
Alright, let’s break down what’s on the table for Turtle Cove over the next couple weeks. Honestly, it’s bleak. The whole 16 days are mostly a washout. There’s a big dry spell from now until nearly the end, with the only glimmer coming on Monday September 28th afternoon.
From Tuesday the 15th through Monday morning the 28th, it’s wall-to-wall poor surf. Swell is tiny, wind is onshore or cross-onshore, and the wave energy is mostly weak – under 60 (combined energy values between 12 and 57). There’s a spike on Sunday the 20th afternoon with a 2.1m swell from the SSW and energy at 411, but it’s still tagged “poor surf conditions” and the wind is cross-off. That one’s more for the kite crowd than paddle surfers.
Your only real chance comes on Monday the 28th afternoon. Swell is 0.7m from the ESE with a 9-second period, and the wind goes glassy – a light NE breeze at 5 km/h. Clean conditions, but the energy is only 74, so weak. It’s surfable but very ordinary.
Other than that, the rest is a mess of strong onshore winds, lumpy chop, and tiny swell. There are a few clean days with no swell to ride. This kind of blank stretch is pretty normal for Turtle Cove when the pattern locks in like this. Forecasts can change, but right now, it’s a waiting game.
Rusty
Short Range ForecastMostly dry. Warm (max 21°C on Thu morning, min 14°C on Tue morning). Winds decreasing (fresh winds from the NNE on Mon night, light winds from the SSW by Tue night). | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Sun afternoon. Warm (max 24°C on Fri afternoon, min 17°C on Fri night). Winds increasing (light winds from the E on Fri afternoon, strong winds from the SSW by Sun morning). | ||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
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) | NE 4 | ENE 5 | E 4 | E 5 | ESE 5 | ESE 7 | E 8 | ESE 7 | ESE 7 | ESE 7 | SW 5 | SE 12 | SE 12 | SE 12 | ESE 8 | SE 11 | SE 11 | SSW 7 | SSW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 26 | 26 | 9 | 8 | 5 | 18 | 29 | 18 | 16 | 9 | 24 | 22 | 21 | 26 | 25 | 23 | 29 | 394 | 121 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | cross-on | cross | cross-off | cross-off | cross-on |
High Tide | 10:34PM0.79m | 11:08AM0.92m | 11:06PM0.73m | 11:46AM0.85m | 11:40PM0.67m | 12:26PM0.79m | 00:22AM0.62m | 1:16PM0.74m | 1:14AM0.59m | 2:31PM0.70m | 2:28AM0.57m | 4:10PM0.70m | 4:33AM0.60m | ||||||
Low Tide | 4:11AM0.06m | 4:59PM0.13m | 4:46AM0.11m | 5:42PM0.20m | 5:24AM0.17m | 6:31PM0.27m | 6:08AM0.23m | 7:37PM0.31m | 7:03AM0.27m | 9:21PM0.31m | 8:15AM0.30m | 10:29PM0.28m | |||||||
 |  | | | | | | |  |  | | |  | | | | |  | | |
 | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 6:59 | — | 6:57 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:47 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 3 | — |
Temp °C | 20 | 15 | 16 | 17 | 17 | 19 | 20 | 21 | 21 | 22 | 22 | 24 | 21 | 17 | 18 | 21 | 22 | 23 | 23 |
Feels °C | 14 | 12 | 14 | 15 | 15 | 16 | 18 | 21 | 19 | 21 | 21 | 24 | 19 | 12 | 15 | 16 | 17 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 9 | ESE 9 | E 5 | ESE 5 | ESE 7 | E 8 | ESE 7 | ESE 7 | ESE 7 | SW 5 | SW 5 | E 4 | ESE 8 | ESE 8 | ESE 8 | SE 11 | SE 10 | SSW 7 |
| kJ | 24 | 13 | 8 | 7 | 5 | 18 | 29 | 18 | 16 | 9 | 24 | 5 | 9 | 26 | 25 | 23 | 18 | 17 | 121 |
Swell 2 Height (m) Direction Period (s) | S 6 | SSW 6 | S 6 | ESE 9 | E 7 | SE 10 | SE 13 | SE 12 | SE 12 | SE 12 | ESE 7 | SE 12 | ESE 7 | SE 12 | ESE 11 | ESE 11 | SE 11 | — | SE 9 |
| kJ | 7 | 4 | 3 | 8 | 4 | 4 | 7 | 6 | 6 | 6 | 9 | 22 | 9 | 21 | 13 | 12 | 29 | — | 19 |
Swell 3 Height (m) Direction Period (s) | S 6 | SSE 6 | S 6 | SE 14 | SE 9 | SE 13 | SE 9 | SE 10 | ESE 9 | SE 9 | ESE 12 | ESE 9 | SE 12 | SW 4 | SW 4 | SE 11 | — | — | E 8 |
| kJ | 1 | 4 | 1 | 7 | 3 | 7 | 3 | 4 | 8 | 3 | 14 | 8 | 21 | 1 | 1 | 19 | — | — | 5 |
Wind waves Height (m) Direction Period (s) | NE 4 | ENE 5 | E 4 | — | — | SW 2 | SW 3 | SW 4 | SW 4 | SW 4 | WSW 5 | E 7 | — | E 3 | ESE 4 | SSE 4 | SSW 6 | SSW 7 | NNE 4 |
| kJ | 26 | 26 | 9 | — | — | 1 | 7 | 2 | 8 | 37 | 39 | 22 | — | 3 | 4 | 19 | 232 | 394 | 28 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 265 | 798 | 791 | 814 | 792 | 393 | 212 | 197 | 825 | 588 | 25 | 668 | 265 | 1162 | 1162 | 1162 | 393 | 169 | 26 |
Best forecast wave conditions in Long Island New York | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Turtle Cove surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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