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Costellos Surf Forecast
/ New Hampshire (9 breaks) / New Hampshire (9 breaks) /
Surf Forecasts:
Costellos surfForecast / New Hampshire / USA
48hr Weather and Surf, issued 1 am Saturday 02 May 2026 EDTForecast 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
7.8° C
(Which is slightly warmer than usual)How big are the waves at Costellos today?
The current surf forecast for Costellos at 9AM is: 1.0m 8s primary swell from a East-southeast direction and 0.4m 9s secondary swell from a Southeast direction, 0.3m 3s secondary swell from a South direction (forecast issued at 01:00am May 02). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | 3.5ft (1.0m) | 8s |
| Afternoon (02 May) | 4ft (1.2m) | 9s |
| Evening (02 May) | 4.5ft (1.3m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 17°C on Mon afternoon, min 5°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 2 | Sunday 3 | Monday 4 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 | E 8 | E 8 | S 6 | |
193 | 203 | 147 | 193 | 197 | 262 | 268 | 232 | 218 | 169 | 129 | 123 | 96 | 94 | 90 | 92 | 301 | 300 | 243 | 162 | 103 | 51 | 35 | 64 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | off | cross-off | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | off | off | cross-off | cross-off | |
High Tide | 11:56PM3.38m | 12:30PM3.08m | 00:35AM3.36m | 1:10PM3.03m | 1:14AM3.31m | 1:52PM2.95m | ||||||||||||||||||
Low Tide | 6:19AM0.38m | 6:25PM0.73m | 6:59AM0.40m | 7:04PM0.79m | 7:39AM0.46m | 7:44PM0.87m | ||||||||||||||||||
 | |  | |  | | | | | | | | | |  | | | |  | | | |  | | |
 | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 | — | — |
— | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 8 | 8 | 10 | 10 | 8 | 8 | 7 | 6 | 6 | 6 | 9 | 12 | 13 | 10 | 7 | 5 | 5 | 9 | 15 | 16 | 17 | 16 | 13 |
8 | 6 | 6 | 8 | 7 | 5 | 6 | 5 | 3 | 3 | 2 | 4 | 7 | 6 | 5 | 2 | 0 | -1 | 3 | 9 | 11 | 12 | 13 | 9 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | E 9 | ESE 9 | E 8 | E 8 | E 8 |
 kJ | 193 | 203 | 147 | 193 | 197 | 262 | 268 | 232 | 218 | 169 | 129 | 123 | 96 | 94 | 90 | 92 | 301 | 300 | 243 | 162 | 103 | 51 | 35 | 12 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 9 | ESE 9 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | — | S 4 | — | — | — | NE 5 | NE 4 | SE 9 | SSE 10 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 8 | — | — |
| kJ | — | — | 21 | 8 | 15 | 41 | 34 | 21 | — | 3 | — | — | — | 19 | 7 | 76 | 36 | 48 | 13 | 7 | 7 | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 10 | SE 10 | NNE 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 14 | 2 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 3 | — | SSE 4 | — | — | — | — | N 3 | N 3 | NNE 4 | NE 5 | — | — | W 2 | W 2 | WSW 3 | SW 3 | SW 4 | SSW 4 | SSW 4 | S 5 | S 6 |
| kJ | — | — | 2 | — | 43 | — | — | — | — | 4 | 8 | 20 | 23 | — | — | 1 | 1 | 3 | 5 | 6 | 7 | 8 | 21 | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 5 | 5 | 0 | 39 | 5 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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