Block Island Surf Forecast

/ Rhode Island (33 breaks) / Rhode Island (34 breaks) /

USA (1297 breaks) / Lat Long: (41.15° N 71.59° W)

Surf Forecasts:

Block Island surfForecast / Rhode Island / USA

48hr Weather and Surf, issued 1 pm Tuesday 02 Sep 2025 EDT

Forecast update in hr min s Forecast update imminent

Block Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Block Island sea temperature is 20.0° C
(Which is slightly cooler than normal)

How big are the waves at Block Island today?

The current surf forecast for Block Island at 2PM is: 1.0m 8s primary swell from a East-southeast direction (forecast issued at 01:00pm September 02). The wind direction is predicted to be cross-onshore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (02 Sep)	2.5ft (0.8m)	6s
Afternoon (02 Sep)	3.5ft (1.0m)	8s
Evening (02 Sep)	3.5ft (1.1m)	8s

Table - waves today at Block Island. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 02					Wednesday 03								Thursday 04								Friday 05
	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	S	SSW	SSW
Period(s) (?)	7	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7	9	4	5	5
Wave Graph (?)
Energy (?)	86	130	130	157	157	119	119	119	93	139	145	81	69	66	59	61	60	65	64	62	63	51	73	103
Wind (km/h)	ENE	E	ESE	ESE	SE	SE	NNE	NE	E	SE	S	S	SSW	SW	SW	SSW	S	SSW	S	SSE	S	SSW	SW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- on	cross- on	cross- on	on	glass	cross- off	cross- off	cross	on	cross- on	cross- on	cross- on	cross	cross- on	cross- on	cross- on	cross- on	on	on	on	cross- on	cross- on	cross- on
High Tide / height (m)			4:49PM 0.79					5:08AM 0.66				5:37PM 0.83				5:59AM 0.73				6:19PM 0.89				6:43AM 0.81
Low Tide / height (m)	9:43AM 0.24					11:27PM 0.22			11:00AM 0.21					12:09AM 0.16				11:55AM 0.16				12:46AM 0.09

	Tuesday 02					Wednesday 03								Thursday 04								Friday 05
Sunrise	-	-	-	-	-	-	-	6:13	-	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:16
Sunset	-	-	7:17	-	-	-	-	-	-	-	7:15	-	-	-	-	-	-	-	7:14	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	18	19	19	19	18	18	17	17	18	18	19	19	19	19	19	19	19	20	20	20	21	21	21	21
Feels °C (?)	16	17	17	17	17	19	16	16	17	17	19	18	18	19	19	19	18	18	18	18	18	19	18	20

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Rhode Island

Wind Update The wind is still cross-off at Block Island (light winds from the NE at Block Island Airport 3 km from Block Island). 0.9m 8s swell from the ESE to make surfable waves.
2 hours 16 minutes ago Block Island

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2 h 16 min ago

19 km/h

Cross-Off

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