Prestons Surf Forecast

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

USA (1297 breaks) / Lat Long: (42.54° N 70.86° W)

Surf Forecasts:

Prestons surfForecast / Massachusetts / USA

48hr Weather and Surf, issued 1 am Thursday 18 Sep 2025 EDT

Forecast update in hr min s Forecast update imminent

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

Today's Prestons sea temperature is 17.4° C
(Which is normal for this time of year)

How big are the waves at Prestons today?

The current surf forecast for Prestons at 7AM is: 0.6m 7s primary swell from a East-southeast direction and 0.2m 6s secondary swell from a East direction (forecast issued at 01:00am September 18). The wind direction is predicted to be cross-offshore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (18 Sep)	2ft (0.6m)	7s
Afternoon (18 Sep)	2ft (0.6m)	7s
Evening (18 Sep)	2.5ft (0.7m)	7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Thursday 18								Friday 19								Saturday 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	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	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	ESE	NE	ENE	SE	ESE
Period(s) (?)	8	8	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	5	5	8	8
Wave Graph (?)
kJ (?)	40	40	36	32	42	33	37	35	53	35	34	28	27	18	18	18	19	12	14	11	22	14	15	11
Wind (km/h)	ENE	NNE	N	N	NE	SSE	SE	SSE	W	W	NW	NW	NW	NNE	E	S	NNE	NNE	NNE	NE	ENE	ESE	SE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- off	cross- off	cross- off	glass	on	on	cross- on	cross- off	cross- off	off	off	off	cross- off	cross- on	glass	cross- off	cross- off	cross- off	cross	cross	cross- on	on	on
High Tide / height (m)	8:40PM 2.89				9:27AM 2.59				9:41PM 2.92				10:20AM 2.69				10:34PM 2.95					11:05AM 2.79
Low Tide / height (m)			3:03AM 0.12				3:15PM 0.33				3:58AM 0.08				4:10PM 0.23				4:45AM 0.05				4:59PM 0.15

		Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	-	6:24	-	-	-	-	-	-	-	6:26	-	-	-	-	-	-	-	6:28	-	-	-	-
Sunset	-	-	-	-	-	-	6:47	-	-	-	-	-	-	-	6:45	-	-	-	-	-	-	-	6:45	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	17	17	17	16	19	22	22	20	21	20	19	19	22	23	22	19	17	16	15	13	15	15	15	14
Feels °C (?)	18	18	18	16	21	22	22	20	19	17	16	16	19	22	21	19	12	12	10	9	11	11	11	10

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 Prestons (calm at Salem Neck wx 2 km from Prestons). 0.5m 7s swell from the ESE with a 0.1m 2s local chop from the NNE. 2 swells combining to make bigger set waves.
1 hour 10 minutes ago Prestons

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1 h 10 min ago

3 km/h

NNE

Clean

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