Nantasket Beach Surf Forecast

/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /

USA (1297 breaks) / Lat Long: (42.31° N 70.88° W)

Surf Forecasts:

Nantasket Beach surfForecast / Massachusetts / USA

48hr Weather and Surf, issued 7 am Wednesday 03 Sep 2025 EDT

Forecast update in hr min s Forecast update imminent

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

Today's Nantasket Beach sea temperature is 18.2° C
(Which is slightly cooler than normal)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 11AM is: 0.6m 8s primary swell from a East direction (forecast issued at 07:00am September 03). The wind direction is predicted to be cross-onshore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (03 Sep)	2ft (0.6m)	8s
Afternoon (03 Sep)	2ft (0.6m)	8s
Evening (03 Sep)	2ft (0.6m)	7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 03							Thursday 04								Friday 05								Sat 06
	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	11 PM	2 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	E	E	E	ESE	E	E	E	E	E	E	E	E	ESE	E	E	E	ESE	E	SSE	SSE	ESE	SE
Period(s) (?)	8	8	8	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	4	5	9	8
Wave Graph (?)
Energy (?)	44	44	42	42	43	43	40	39	27	27	28	28	32	32	60	35	43	45	23	30	41	42	11	29
Wind (km/h)	WSW	SSW	SE	ESE	SE	S	SW	SSW	SW	SSW	SSE	ESE	SE	S	SSW	SSW	SSW	SSW	SSW	S	SSW	SSW	SSW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- on	cross- on	cross- on	cross	cross- off	cross- off	cross- off	cross- off	cross	cross- on	cross- on	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)			8:27AM 2.27				8:35PM 2.69				9:20AM 2.38				9:28PM 2.82				10:07AM 2.54				10:16PM 2.97
Low Tide / height (m)	2:11AM 0.47				2:17PM 0.65				3:05AM 0.36				3:11PM 0.52				3:53AM 0.22				4:01PM 0.35

	Wednesday 03							Thursday 04								Friday 05								Sat 06
Sunrise	-	6:09	-	-	-	-	-	-	-	6:11	-	-	-	-	-	-	-	6:11	-	-	-	-	-	-
Sunset	-	-	-	-	7:14	-	-	-	-	-	-	-	7:13	-	-	-	-	-	-	-	7:10	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	16	17	21	22	21	19	17	16	16	16	22	23	24	20	17	17	18	19	25	27	27	22	22	22
Feels °C (?)	16	17	20	19	17	17	15	15	15	15	20	20	21	17	16	16	18	19	25	25	24	20	20	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 Massachusetts

Wind Update Continuing clean conditions at Nantasket Beach (light winds from the SW at Hull 1 km from Nantasket Beach). 0.7m 8s swell from the ESE to make surfable waves.
2 hours 50 minutes ago Nantasket Beach

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2 h 50 min ago

10 km/h

Clean

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