Surf Forecasts:
Block Island surf forecast from 25 Jul 2026:
- Best quality surf: Friday 31 Jul, 11AM (local time) - 4ft (1.2m), 8s period, SSE swell with cross-offshore winds.
- Most powerful swell: Friday 31 Jul, 8AM (local time) - 4ft (1.2m), 8s period, SSE swell with 185 kJ wave energy.
- Next surfable swell (1★+): Friday 31 Jul, 11AM (local time) - 4ft (1.2m), 8s period with SSE swell.
Best Forecast Surf Conditions for Block Island this week:
The surf forecast for Block Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 31) at 11AM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Block Island in the next 16 days are 1.2m 8s and forecast to arrive on Friday (Jul 31) 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 0.3m 3s period and expected on Sunday (Jul 26) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Fri 31st Jul) | 4ft (1.2m) 8s |
| Best Surf | 11AM (Fri 31st Jul) | 4ft (1.2m) 8s |
| Most Powerful | 8AM (Fri 31st Jul) | 4ft (1.2m) 8s |
Table - best surf conditions forecast for Block Island over the next 16 days.
The Lowdown
Alright folks, Rusty here with a look at what’s heading our way for the next sixteen days. Let’s get into it.
Well, I’ve got to be straight with you—this is a tough stretch for us. Straight off the bat, there is no good surf on offer right now, and we’re looking at a real dry spell. The first chance of anything worth paddling out for is still over a week away, on the morning of Thursday, July 31st, so we’ve got a solid gap of nearly a week with nothing to recommend.
That Thursday morning shows a glimmer of hope at Block Island (United States). We’re looking at some chest-high lines with a 4ft swell coming out of the SSE. It’s not going to be massive, but the wind is a light cross-offshore breeze, and the water is a bit colder than normal for this time of year at 68°, which is pretty notable. The combined swell energy is moderate (202), so there’s a bit of push behind it. The thing is, this break rarely breaks, and when it does, crowds are likely. On the plus side, the light wind should keep it clean and make the most of what we get. This is by far the standout window in the whole outlook.
After that promising Friday morning, things go back downhill. The following Wednesday morning, August 5th, sees a similar sized swell of 5ft from the south and strong offshore wind from the NNW, which will shape up the waves nicely. The energy jumps up to a solid 258, which is definitely punchy. However, this break is inconsistent, so don’t bank on it firing perfectly. A good one for the experts to keep an eye on if you’re itching for a session.
Honestly, aside from those two mornings, the rest of the period is filled with poor conditions, onshore wind, and choppy water. It’s a pretty bleak picture for the next two weeks, so if you see a window, grab it, because the waiting game looks long.
Rusty
Short Range ForecastMostly dry. Warm (max 21°C on Mon afternoon, min 17°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Tue morning, min 18°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | |||||||||||||||
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) | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | SE 7 | SE 8 | SE 8 | SSE 8 | SE 4 | SSE 8 | E 5 | S 7 | SSE 8 | SSE 8 | S 9 | SSE 8 | S 8 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 108 | 113 | 102 | 128 | 88 | 86 | 68 | 54 | 50 | 82 | 117 | 32 | 32 | 55 | 46 | 162 | 127 | 122 | 181 | 135 | 80 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-off | cross | on | cross-off | cross-on | cross-on | cross-on | on | on | on | cross | cross | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | cross-on |
High Tide | 6:20PM0.87m | 6:36AM0.66m | 7:04PM0.89m | 7:22AM0.70m | 7:44PM0.91m | 8:03AM0.75m | 8:20PM0.92m | 8:42AM0.79m | 8:52PM0.93m | 9:17AM0.82m | 9:22PM0.93m | 9:50AM0.84m | 9:54PM0.92m | ||||||||
Low Tide | 11:33AM0.19m | 00:49AM0.18m | 12:20PM0.17m | 1:30AM0.14m | 1:04PM0.14m | 2:08AM0.11m | 1:45PM0.12m | 2:43AM0.07m | 2:24PM0.11m | 3:15AM0.05m | 3:01PM0.11m | 3:42AM0.04m | 3:37PM0.11m | 4:06AM0.04m | |||||||
 | |  | | | | | |  | |  | | | | | | | | | | | |
 | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — |
 | — | 8:09 | — | — | 8:08 | — | — | 8:07 | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 19 | 20 | 20 | 18 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 19 | 21 | 21 |
Feels °C | 17 | 17 | 17 | 17 | 18 | 19 | 17 | 18 | 19 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | SW 6 | ESE 7 | S 7 | ESE 8 | ESE 7 | ESE 7 | SE 7 | SE 8 | SW 4 | E 9 | SSW 6 | SSE 8 | SSE 7 | S 7 | SSE 8 | SSE 8 | S 9 | SSE 8 | S 8 | S 8 |
| kJ | 83 | 1 | 102 | 1 | 88 | 86 | 68 | 54 | 50 | 3 | 2 | 11 | 32 | 55 | 46 | 162 | 127 | 122 | 181 | 135 | 80 |
Swell 2 Height (m) Direction Period (s) | SSW 6 | — | S 5 | S 5 | S 7 | SSW 6 | SSW 6 | S 5 | E 6 | E 6 | S 7 | SE 8 | SSE 5 | SSW 7 | SE 9 | — | — | ESE 7 | SE 9 | ESE 6 | ESE 7 |
| kJ | 3 | — | 1 | 1 | 8 | 7 | 3 | 1 | 6 | 3 | 1 | 23 | 9 | 17 | 37 | — | — | 5 | 14 | 34 | 51 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 6 | — | E 6 | SSE 7 | SSW 6 | SE 10 | — | — | — | SE 10 | SE 7 | SE 9 | — |
| kJ | — | — | — | — | — | — | — | — | 3 | — | 3 | 5 | 14 | 4 | — | — | — | 4 | 7 | 3 | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | — | ESE 8 | — | — | — | — | SSW 2 | SE 8 | SSE 8 | SE 4 | E 4 | E 5 | ESE 5 | E 6 | ESE 4 | ESE 5 | — | — | — |
| kJ | 108 | 113 | — | 128 | — | — | — | — | 1 | 82 | 117 | 32 | 26 | 48 | 33 | 3 | 19 | 21 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 25 | 374 | 24 | 24 | 26 | 24 | 219 | 1701 | 24 | 160 | 906 | 198 | 743 | 445 | 25 | 25 | 844 | 24 | 0 | 24 | 24 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Block Island 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 Block Island Surf forecast
The above surf forecast table for Block Island provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Block Island can be found by selecting the local surf guide option on the grey menu. Our Block Island 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 (Block Island) 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 Block Island 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.
Block Island is 33 km (20 miles) from Westerly. If you plan a vacation in Rhode Island, 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.
Nearest