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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 pm 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 5PM is: 1.2m 9s primary swell from a East-southeast direction and 0.9m 5s secondary swell from a South-southeast direction (forecast issued at 01:00pm May 02). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | 3.5ft (1.0m) | 8s |
| Afternoon (02 May) | 3.5ft (1.1m) | 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 6mm), mostly falling on Sat afternoon. Warm (max 20°C on Tue morning, min 5°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | E 9 | E 9 | S 6 | S 6 | S 6 | S 5 | S 5 | |
193 | 197 | 213 | 268 | 268 | 218 | 169 | 166 | 123 | 96 | 94 | 92 | 90 | 268 | 329 | 243 | 162 | 101 | 57 | 28 | 130 | 82 | 58 | 52 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | glassy | glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 12:30PM3.08m | 00:35AM3.36m | 1:10PM3.03m | 1:14AM3.31m | 1:52PM2.95m | 1:54AM3.23m | ||||||||||||||||||
Low Tide | 6:25PM0.73m | 6:59AM0.40m | 7:04PM0.79m | 7:39AM0.46m | 7:44PM0.87m | |||||||||||||||||||
 |  | |  |  | | |  | | |  |  | | |  | | |  | | | | | | | |
 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — |
 | — | — | 7:44 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | 7:47 |
2 | 1 | 2 | 1 | — | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 8 | 10 | 9 | 8 | 8 | 6 | 5 | 6 | 7 | 11 | 12 | 10 | 7 | 6 | 6 | 9 | 15 | 16 | 17 | 16 | 14 | 12 | 12 | 14 |
6 | 8 | 8 | 7 | 6 | 3 | 2 | 2 | 1 | 6 | 5 | 5 | 2 | 1 | 1 | 4 | 8 | 10 | 14 | 12 | 10 | 8 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | 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 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 9 |
 kJ | 193 | 197 | 213 | 268 | 268 | 218 | 169 | 166 | 123 | 96 | 94 | 92 | 90 | 268 | 329 | 243 | 162 | 101 | 57 | 23 | 12 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | — | SSE 5 | SSE 5 | SSE 5 | — | SSE 4 | — | — | NNE 4 | NNE 4 | SE 10 | SE 9 | — | SSE 10 | SSE 9 | SSE 8 | SSE 10 | SSW 4 | E 5 | — | — | — | — |
| kJ | 8 | — | 32 | 41 | 30 | — | 3 | — | — | 5 | 3 | 15 | 64 | — | 10 | 29 | 14 | 9 | 6 | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 5 | — | — | — | — | — | SE 10 | NE 4 | NNE 4 | — | NW 4 | — | — | NE 5 | SE 9 | — | — | — | — | — |
| kJ | — | — | — | — | 7 | — | — | — | — | — | 4 | 2 | 2 | — | 1 | — | — | 1 | 3 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNE 2 | N 3 | — | — | NW 3 | WNW 3 | WNW 3 | W 3 | SW 3 | SSW 4 | SW 4 | SW 4 | S 6 | S 6 | S 6 | S 5 | S 5 |
| kJ | — | — | — | — | — | — | — | 1 | 5 | — | — | 2 | 2 | 3 | 5 | 5 | 8 | 12 | 13 | 28 | 130 | 82 | 58 | 52 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 14 | 0 | 0 | 0 | 5 | 0 | 0 | 5 | 5 | 5 | 0 | 0 | 0 | 0 | 14 | 553 | 8 | 0 | 0 | 198 | 4 | 198 | 198 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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