Seabrook Beach Surf Forecast

/ New Hampshire (9 breaks) / New Hampshire (9 breaks) /

USA (1297 breaks) / Lat Long: (42.88° N 70.81° W)

Surf Forecasts:

Seabrook Beach surfForecast / New Hampshire / USA

48hr Weather and Surf, issued 1 am Saturday 13 Sep 2025 EDT

Forecast update in hr min s Forecast update imminent

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

Today's Seabrook Beach sea temperature is 16.3° C
(Which is 1.1°C colder than average for this time of year)

How big are the waves at Seabrook Beach today?

The current surf forecast for Seabrook Beach at 4AM is: 0.7m 8s primary swell from a East-southeast direction (forecast issued at 01:00am September 13). The wind direction is predicted to be cross-offshore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (13 Sep)	1.5ft (0.5m)	8s
Afternoon (13 Sep)	1.5ft (0.4m)	8s
Evening (13 Sep)	3ft (0.9m)	4s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Saturday 13								Sunday 14								Monday 15
	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)	1	0	1	1	0	0	0	0	1	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	SE	ESE	ESE	ESE	ESE	ESE	ESE	SSE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE
Period(s) (?)	8	8	8	8	8	8	8	8	5	8	8	8	8	8	9	8	9	9	9	9	8	8	8	8
Wave Graph (?)
kJ (?)	45	33	61	38	39	26	26	26	35	26	26	26	26	24	30	28	30	55	53	49	62	61	59	58
Wind (km/h)	SW	WSW	WSW	SSW	S	SSE	SSE	S	SW	WSW	WNW	N	NE	E	ESE	SSE	WSW	NW	NW	N	ENE	E	SE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross	cross- on	cross	cross	cross- off	off	glass	cross	cross- on	on	cross- on	cross	glass	cross- off	cross- off	cross	cross- on	on	cross- on	cross
High Tide / height (m)			3:59AM 2.62				4:16PM 2.90					5:03AM 2.48				5:19PM 2.80				6:10AM 2.37				6:27PM 2.72
Low Tide / height (m)	10:02PM -0.18				10:16AM 0.09					11:03PM -0.07				11:17AM 0.22				12:09AM 0.03				12:22PM 0.33

		Saturday 13								Sunday 14								Monday 15
Sunrise	-	-	-	6:20	-	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:22	-	-	-	-
Sunset	-	-	-	-	-	-	6:57	-	-	-	-	-	-	-	6:54	-	-	-	-	-	-	-	6:53	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	16	15	15	14	19	20	17	18	17	17	17	15	18	20	20	18	18	18	17	15	18	20	19	19
Feels °C (?)	14	14	15	13	18	17	13	16	16	16	17	14	17	18	18	17	17	17	16	14	18	18	17	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 New Hampshire

Wind Update The wind is still offshore at Seabrook Beach (light winds from the WSW at BUOY-IOSN3 18 km from Seabrook Beach). 0.5m 8s swell from the SE with a 0.3m 5s windswell from the E. 2 swells combining to make bigger set waves.
1 hour 12 minutes ago Seabrook Beach

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18 km away, 1 h 12 min ago

15 km/h

WSW

0.0

16.3

Air / Water (°C)

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