Costellos Surf Forecast

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

USA (1297 breaks) / Lat Long: (42.95° N 70.78° W)

Surf Forecasts:

Costellos surfForecast / New Hampshire / USA

48hr Weather and Surf, issued 12 am Wednesday 19 Nov 2025 EST

Forecast update in hr min s Forecast update imminent

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

Today's Costellos sea temperature is 9.9° C
(Which is normal for this time of year)

How big are the waves at Costellos today?

The current surf forecast for Costellos at 3AM is: 0.1m 14s primary swell from a East direction and 0.1m 8s secondary swell from a Southeast direction (forecast issued at 12:00am November 19). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EST) & Date	Wave Height	Wave Period
Morning (19 Nov)	0.5ft (0.1m)	13s
Afternoon (19 Nov)	0.5ft (0.1m)	13s
Evening (19 Nov)	0.5ft (0.1m)	13s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Wednesday 19								Thursday 20								Friday 21
	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 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 (?)	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	SSE	SSE	SSE	SE	ESE	ESE
Period(s) (?)	14	14	14	14	13	13	13	13	13	13	12	12	12	10	10	9	9	9	8	7	7	8	7	6
Wave Graph (?)
kJ (?)	4	4	4	4	3	3	3	3	3	3	3	3	3	3	2	2	2	2	6	5	5	3	5	8
Wind (km/h)	W	W	W	WNW	WNW	NW	N	NNW	NNW	NNW	NNW	N	NNE	E	ESE	SSW	W	WSW	SW	SW	SW	SW	SSW	SSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	off	off	cross- off	cross- off	glass	cross	glass	cross- off	cross- off	cross- off	cross	glass	glass	glass	glass	off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)	10:00PM 2.98					10:05AM 3.29				10:40PM 2.99				10:43AM 3.31				11:20PM 2.98				11:22AM 3.31
Low Tide / height (m)			3:55AM 0.81					4:29PM 0.47				4:34AM 0.81				5:09PM 0.44				5:12AM 0.83				5:48PM 0.45

		Wednesday 19								Thursday 20								Friday 21
Sunrise	-	-	-	6:39	-	-	-	-	-	-	-	6:41	-	-	-	-	-	-	-	6:41	-	-	-	-
Sunset	-	-	-	-	-	-	4:15	-	-	-	-	-	-	-	4:15	-	-	-	-	-	-	-	4:15	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	2	1	1	0	2	5	6	4	3	1	1	1	2	4	4	4	3	3	2	1	4	8	9	7
Feels °C (?)	-3	-4	-4	-4	-2	1	2	1	-1	-3	-3	-3	-1	1	1	1	0	0	-2	-3	-1	3	5	3

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

FREE! Surf-Forecast.com widget for your website

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