Swell Intel

Block Island Surf Forecast, Rhode Island

Rhode Island

Black Rock Point5-6+ftMansion Beach1-2+ftBreachway3-4ft
Block Island surf spot

Current Conditions

Poor
Wave Height
5-6+ft
overhead
Swell Period
8.35s
Wind
19mph
SSW / Gusts 29mph
Conditions
Poor
Active Swells
Wind Swell
7.2ft @ 8sSSW

Nearest Webcam

Daily Forecast

3 of 5 days
Tue, Mar 316-7ft
Poor

A slow one — 5-6ft waves and poor conditions with strong SW wind at 21mph.

6am9am12pm3pm
8s ESE|21mph SW
Wed, Apr 17-8ft
Poor

Slim pickings today — 6-7ft and poor with 24mph SW winds.

6am9am12pm3pm
8s S|15-24mph SSW
Thu, Apr 23-4ft
Poor - Fair

First light looks cleanest — 3-4ft on S swell at 8s with 20mph NE winds. It gets a bit messier later in the day.

6am9am12pm3pm
7s S|17-20mph NE
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Sat
2ft
Swell building Fri, Apr 3Poor

6s period — conditions are improving beyond your forecast

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Forecast Charts

Block Island Surf Spot Guide

Break
Beach
Bottom
Sand
Level
Intermediate
Crowd
Light
Best Swell
S
Best Wind
N
Season
Fall

Block Island, Rhode Island sits roughly 13 miles off the southern coast of the state, offering a unique and uncrowded surf experience for those willing to make the ferry or boat journey. The north-facing exposure at these coordinates picks up residual North Atlantic swells that wrap around the island, producing punchy beach break peaks that can surprise even experienced surfers with their power. Fall is the prime season when hurricane groundswells and nor'easters push quality waves to this remote Rhode Island gem, rewarding the adventurous traveler with uncrowded lineups and stunning coastal scenery.

Strong currentsRip currentsRemote locationCold waterLimited emergency accessFerry schedule dependency

Wave heights shown are breaking wave heights — the actual rideable wave size at this spot.

Block Island Surf Forecast FAQ

What is the current surf forecast for Block Island?
The current wave height at Block Island is 5-6+ft with a 8.35s swell period. Wind is SSW at 19mph. Conditions are rated Poor.
How accurate is the Block Island surf forecast?
Our Block Island forecast uses NOAA GFS and other weather models combined with spot-specific bathymetry to calculate breaking wave heights. Short-range (1-3 day) forecasts are most reliable. Extended forecasts show general trends.
What is the breaking wave height at Block Island?
The current breaking wave height at Block Island is 5-6+ft, produced by a 7.2ft SSW wind swell swell at 8s. Breaking wave height is the actual rideable wave size at the shore — calculated from offshore swell data using this spot's coastal bathymetry — not the raw buoy reading.
When is the best time to surf Block Island?
Based on the current 5-day forecast, the best window to surf Block Island is Saturday from 9 AM to 12 PM with 4ft waves, a 6.45s swell period, and conditions rated Fair - Good. Check the hourly forecast for updates as conditions can shift.