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 7 am Wednesday 02 Jul 2025 EDT

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 16.9° C
(Which is normal for this time of year)

How big are the waves at Costellos today?

The current surf forecast for Costellos at 8AM is: 0.5m 8s primary swell from a East-southeast direction and 0.5m 7s secondary swell from a South-southeast direction (forecast issued at 07:00am July 02). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & Date	Wave Height	Wave Period
Morning (02 Jul)	1.5ft (0.5m)	8s
Afternoon (02 Jul)	1.5ft (0.5m)	8s
Evening (02 Jul)	3.5ft (1.1m)	5s

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

Hourly 12 Days

New Hampshire Surf

Print Surf Table

Updates in hr min s Forecast update imminent

	Wednesday 02							Thursday 03								Friday 04								Saturday 05								Sunday 06								Monday 07								Tuesday 08								Wednesday 09
	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	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	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM
Rating (10 max)	1	1	1	0	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	ESE	ESE	SSE	S	S	SSE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	ESE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	S	S	S	S	SSE	SSE	SSE	S	S	S	S	SSE	SSE	SSE	SSE	S	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	SSE	E	NE	ENE
Period(s) (?)	8	8	8	8	4	5	5	5	8	8	8	8	8	8	8	8	8	8	8	8	9	18	8	9	9	7	16	16	16	16	16	16	5	5	5	5	5	6	6	6	5	5	5	4	5	6	6	6	6	5	5	5	4	5	6	6	6	9	4	4
Wave Graph (?)
Energy (?)	71	69	67	62	59	99	89	48	37	29	35	38	42	40	21	22	20	24	43	42	44	64	35	34	29	29	43	52	43	41	57	55	57	56	67	101	139	233	205	108	72	53	51	59	76	145	176	114	82	94	53	56	47	63	67	65	58	49	46	53
Wind (km/h)	SW	W	WSW	S	SW	W	WSW	WSW	W	W	SSE	SSE	WSW	WNW	ENE	NW	WNW	WNW	WNW	NW	NW	NNW	NW	WNW	WNW	WNW	SSE	SSE	SSE	S	SW	SW	SW	SW	SW	WSW	SW	SW	SW	SW	SW	SW	SW	SW	W	SW	SW	SW	SW	WSW	NE	NE	NE	NE	NE	NE	NNE	NE	NE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	off	off	cross	cross- off	off	off	off	off	glass	glass	cross- on	cross- off	cross- off	on	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	glass	cross- on	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	cross- off	cross- off	cross- off	cross- off	glass	glass	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)		5:05AM 2.96				5:36PM 3.00				5:59AM 2.81				6:25PM 2.96				6:54AM 2.70				7:14PM 2.95				7:48AM 2.65					8:02PM 2.97				8:41AM 2.65				8:50PM 3.02				9:31AM 2.68				9:36PM 3.09				10:18AM 2.74				10:21PM 3.18					11:02AM 2.81
Low Tide / height (m)				11:18AM 0.77				11:51PM 0.88				12:06PM 0.91				12:46AM 0.91				12:55PM 1.01				1:40AM 0.90				1:45PM 1.07					2:32AM 0.85				2:34PM 1.08				3:21AM 0.78				3:22PM 1.05				4:08AM 0.70				4:08PM 0.99				4:52AM 0.60

	Wednesday 02							Thursday 03								Friday 04								Saturday 05								Sunday 06								Monday 07								Tuesday 08								Wednesday 09
Sunrise	-	5:07	-	-	-	-	-	-	-	5:07	-	-	-	-	-	-	-	5:09	-	-	-	-	-	-	-	5:09	-	-	-	-	-	-	-	5:09	-	-	-	-	-	-	-	5:11	-	-	-	-	-	-	-	5:11	-	-	-	-	-	-	-	5:11	-	-
Sunset	-	-	-	-	-	8:24	-	-	-	-	-	-	-	8:24	-	-	-	-	-	-	-	8:24	-	-	-	-	-	-	-	8:24	-	-	-	-	-	-	-	8:23	-	-	-	-	-	-	-	8:23	-	-	-	-	-	-	-	8:22	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2	-	2	1	-	1	2	5	4	5	8	1	-	-	-
Temp. °C	22	23	28	29	29	27	24	22	21	22	26	27	26	22	20	18	17	19	23	25	25	22	20	19	19	19	24	25	24	25	22	20	19	22	29	32	34	30	25	23	22	24	30	34	30	28	24	21	21	21	22	20	18	18	18	18	18	17	17	19
Feels °C (?)	23	23	28	29	29	27	24	23	22	23	27	26	25	22	22	19	16	16	18	20	21	19	17	17	17	17	23	21	19	23	19	17	17	21	28	30	32	27	22	22	22	24	30	34	30	29	25	23	24	24	25	21	18	18	19	18	19	17	17	19

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

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Costellos surfForecast / New Hampshire / USA

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