Lighthouse Surf Forecast

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

USA (1297 breaks) / Lat Long: (41.36° N 71.48° W)

Surf Forecasts

Lighthouse surfForecast / Rhode Island / USA

48hr Weather and Surf, issued 1 am Monday 18 Aug 2025 EDT

Forecast update in hr min s Forecast update imminent

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

Today's Lighthouse sea temperature is 22.1° C
(Which is slightly warmer than usual)

How big are the waves at Lighthouse today?

The current surf forecast for Lighthouse at 3AM is: 0.2m 13s primary swell from a South-southeast direction and 0.6m 5s secondary swell from a South-southwest direction, 0.3m 10s secondary swell from a Southeast direction (forecast issued at 01:00am August 18). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (18 Aug)	4.5ft (1.3m)	5s
Afternoon (18 Aug)	2ft (0.6m)	14s
Evening (18 Aug)	2.5ft (0.7m)	13s

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

Hourly 12 Days

Rhode Island Surf

Print Surf Table

Updates in hr min s Forecast update imminent

		Monday 18								Tuesday 19								Wednesday 20
	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	11 AM	2 PM	5 PM	8 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	2	2	3	2	2	1	2	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SSW	SE	ENE	ENE	SSE	SSE	SSE	SE	SE	SE	S	SSE	S	S	S	S	SSE	S	SSE	SSE	SSE	SSE	S
Period(s) (?)	10	5	13	5	6	14	14	13	13	13	12	16	15	19	18	18	17	16	15	15	15	15	15	15
Wave Graph (?)
Energy (?)	33	51	84	156	231	247	243	208	208	220	216	252	518	533	740	766	1025	1777	1148	1523	1753	1753	2173	1860
Wind (km/h)	WSW	NE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	NE	NE	ENE	ESE	SE	ESE	ESE	ESE	ENE	ENE	ENE	ESE	ESE	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross- on	on	on	on	on	on	cross- on	cross- on	cross- on	on	on	on
High Tide / height (m)			3:51AM 0.81				4:27PM 1.09				4:56AM 0.84					5:29PM 1.11				5:56AM 0.90				6:24PM 1.14
Low Tide / height (m)	10:14PM 0.13				9:54AM 0.10					11:26PM 0.09				11:13AM 0.07				12:24AM 0.04				12:18PM 0.02

		Monday 18								Tuesday 19								Wednesday 20
Sunrise	-	-	-	5:56	-	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:58	-	-	-	-
Sunset	-	-	-	-	-	-	7:40	-	-	-	-	-	-	-	7:38	-	-	-	-	-	-	-	7:37	-

Rain (mm)	4	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	22	19	18	17	18	20	19	17	17	17	16	15	18	21	20	19	18	18	17	17	18	20	20	19
Feels °C (?)	24	15	13	11	12	15	13	12	13	13	13	11	15	18	17	16	16	16	16	15	16	18	19	18

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 Still cross-shore at Lighthouse (light winds from the NNE at BUOY-NWPR1 20 km from Lighthouse). 0.5m 4s local chop from the S with a 0.2m 10s swell from the SE and a 0.1m 13s groundswell from the SSE. 3 swells combining to make bigger set waves.
1 hour 28 minutes ago Lighthouse

Expand

View all

20 km away, 1 h 28 min ago

17 km/h

NNE

0.0

22.1

Air / Water (°C)

Please reload the page to see if there are any updates.

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 Lighthouse 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.