Surf Forecasts:
Block Island surf forecast from 29 Jul 2026:
- Best quality surf: Thursday 30 Jul, 2AM (local time) - 4.5ft (1.4m), 7s period, SSE swell with cross-offshore winds.
- Most powerful swell: Thursday 30 Jul, 11AM (local time) - 4.5ft (1.3m), 8s period, SSE swell with 252 kJ wave energy.
- Next surfable swell (1★+): Thursday 30 Jul, 2AM (local time) - 4.5ft (1.4m), 7s 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 Thursday (Jul 30) at 2AM. The primary swell is predicted to be 1.4m and 7s period with a secondary swell of 0.5m and 5s. 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 1.3m 8s and forecast to arrive on Thursday (Jul 30) at 11AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Thursday (Jul 30) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 30th Jul) | 4.5ft (1.4m) 7s |
| Best Surf | 2AM (Thu 30th Jul) | 4.5ft (1.4m) 7s |
| Most Powerful | 11AM (Thu 30th Jul) | 4.5ft (1.3m) 8s |
Table - best surf conditions forecast for Block Island over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s look at what’s shaking for Block Island over the next couple weeks.
Honestly, it’s a rough stretch. We’re looking at a solid dry spell with no good surf on offer. The first mention of surf is for Wednesday, July 29th, but that afternoon is a write-off with a risk of thunderstorms, a SSE wind and a weak, short-period 4ft SSE swell (combined energy 182). The water is sitting at 69°, which is a bit colder than normal for this time of year, so you’ll want a thicker suit.
The rest of the 16-day window is a long, flat grind of poor surf conditions. There’s a brief tease on Thursday morning, July 30th, with a moderate offshore wind from the north and a 4ft SSE swell (265 combined energy), but the period is only 8 seconds and the wave comment doesn’t back it up—it’s a no-go. From there, it’s days and days of cross-onshore winds, weak swells under 3ft, and combined energy mostly well under 200, often dropping into double digits. By early August, we’ve got a few mornings with clean wind but the swell is tiny, like 2ft to 2ft, and the energy is pitiful (46, 29, 47). Even the offshore winds on Monday, August 10th, can’t save a 3ft SSW swell with only 82 combined energy.
There are no standouts. The best chance—and I’m stretching here—is maybe Thursday morning, July 30th, when the wind goes offshore, but the surf quality is rated poor and the score is a 2 out of 10. Block Island (Rhode Island) is a point break that rarely breaks anyway, and when the swell is this weak and short-period, with that optimum SE direction not being matched, it’s a bust. Crowds can be an issue here when it’s good, but there’s nothing to draw them.
The blank run is pretty much the whole forecast. If you’re desperate, keep an eye on it, but honestly, this area can go quiet like this. Forecasts change, but right now, it’s not looking like paddle surfing territory. With the stronger winds and poor surf quality, it’s more of a kite setup if anything.
Rusty
Short Range ForecastModerate rain (total 11mm), heaviest on Thu morning. Warm (max 23°C on Sat morning, min 18°C on Thu afternoon). Winds decreasing (fresh winds from the N on Thu afternoon, light winds from the WNW by Fri morning). | Days 5-7 Weather SummaryModerate rain (total 12mm), heaviest on Mon afternoon. Warm (max 23°C on Sat afternoon, min 20°C on Mon night). Winds decreasing (fresh winds from the SW on Mon afternoon, light winds from the W by Tue morning). | |||||||||||||||||||
Wed 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | ||||||||||||||
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) | SSE 6 | SSE 7 | SSE 8 | S 8 | S 8 | SSE 9 | S 8 | S 8 | S 9 | S 8 | S 8 | S 8 | S 8 | S 7 | SSW 6 | SSW 6 | S 7 | S 7 | S 7 | S 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 121 | 208 | 252 | 190 | 130 | 126 | 84 | 103 | 153 | 82 | 54 | 113 | 54 | 157 | 159 | 170 | 205 | 139 | 97 | 44 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | off | cross-off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross | off | cross-off | cross-on | cross |
High Tide | 8:52PM0.93m | 9:17AM0.82m | 9:22PM0.93m | 9:50AM0.84m | 9:54PM0.92m | 10:22AM0.87m | 10:28PM0.90m | 10:55AM0.89m | 11:07PM0.87m | 11:33AM0.91m | 11:50PM0.83m | 12:17PM0.93m | 00:39AM0.78m | |||||||
Low Tide | 2:24PM0.11m | 3:15AM0.05m | 3:01PM0.11m | 3:42AM0.04m | 3:37PM0.11m | 4:06AM0.04m | 4:15PM0.11m | 4:32AM0.04m | 4:56PM0.12m | 5:02AM0.05m | 5:42PM0.13m | 5:39AM0.06m | 6:38PM0.14m | |||||||
 |  | |  |  |  |  |  | | |  | | |  |  |  | | | | | |
 | — | — | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:43 | — | — |
 | 8:06 | — | — | 8:05 | — | — | 8:04 | — | — | 8:02 | — | — | 8:01 | — | — | 8:00 | — | — | 7:59 | — |
mm | 4 | 2 | 5 | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 7 | — | — | — | — |
Temp °C | 22 | 21 | 19 | 19 | 18 | 20 | 21 | 22 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 24 | 24 |
Feels °C | 22 | 21 | 19 | 17 | 14 | 21 | 20 | 21 | 22 | 22 | 20 | 22 | 23 | 23 | 21 | 23 | 24 | 21 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SSE 7 | SSE 8 | S 8 | S 8 | SSE 9 | S 8 | S 8 | S 9 | S 8 | S 8 | S 8 | S 8 | SE 9 | E 8 | E 8 | S 7 | S 7 | S 7 | S 7 |
| kJ | 121 | 208 | 252 | 190 | 130 | 126 | 84 | 103 | 153 | 82 | 54 | 113 | 54 | 3 | 1 | 1 | 205 | 139 | 97 | 44 |
Swell 2 Height (m) Direction Period (s) | SW 6 | E 5 | ENE 5 | E 6 | — | NE 6 | SE 10 | SE 10 | SE 9 | ESE 9 | S 10 | SE 9 | SE 7 | E 9 | — | — | E 8 | SE 8 | ESE 8 | SE 8 |
| kJ | 46 | 14 | 9 | 6 | — | 8 | 25 | 4 | 3 | 7 | 47 | 3 | 17 | 1 | — | — | 1 | 3 | 7 | 10 |
Swell 3 Height (m) Direction Period (s) | E 5 | — | S 8 | — | — | — | E 6 | E 6 | E 6 | E 5 | ESE 9 | E 5 | SE 9 | — | — | — | — | E 7 | — | — |
| kJ | 15 | — | 4 | — | — | — | 3 | 2 | 1 | 1 | 8 | 1 | 3 | — | — | — | — | 1 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | N 3 | NE 4 | — | WSW 2 | SW 3 | — | SSW 4 | SSW 4 | SW 4 | S 3 | S 7 | SSW 6 | SSW 6 | — | — | — | SW 4 |
| kJ | — | — | — | 8 | 21 | — | 1 | 3 | — | 7 | 8 | 2 | 6 | 157 | 159 | 170 | — | — | — | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 24 | 0 | 0 | 24 | 25 | 24 | 24 | 24 | 24 | 767 | 26 | 767 | 1493 | 24 | 219 | 24 | 0 | 24 | 24 | 24 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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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.
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