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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 Sunday 03 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
8.2° C
(Which is slightly warmer than usual)How big are the waves at Costellos today?
The current surf forecast for Costellos at 5PM is: 0.8m 8s primary swell from a East-southeast direction (forecast issued at 01:00pm May 03). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 3ft (0.9m) | 9s |
| Afternoon (03 May) | 2.5ft (0.8m) | 8s |
| Evening (03 May) | 2.5ft (0.7m) | 8s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Warm (max 25°C on Tue afternoon, min 6°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 3 | Monday 4 | Tuesday 5 | Wed 6 | |||||||||||||||||||||
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 8 | ESE 8 | ESE 8 | ESE 8 | E 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | S 6 | SSE 7 | S 6 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | |
123 | 96 | 94 | 94 | 72 | 162 | 275 | 238 | 130 | 79 | 57 | 54 | 175 | 98 | 60 | 74 | 83 | 135 | 383 | 443 | 317 | 255 | 270 | 247 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | off | 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 | cross-off | |
High Tide | 1:10PM3.03m | 1:14AM3.31m | 1:52PM2.95m | 1:54AM3.23m | 2:34PM2.86m | 2:36AM3.13m | ||||||||||||||||||
Low Tide | 7:04PM0.79m | 7:39AM0.46m | 7:44PM0.87m | 8:21AM0.55m | 8:26PM0.96m | |||||||||||||||||||
 |  | |  | |  | |  |  | | | | | | | | | | |  | | | | | |
 | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — |
 | — | — | 7:45 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | 7:49 |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 7 | 10 | 13 | 10 | 7 | 6 | 7 | 10 | 16 | 17 | 19 | 17 | 13 | 12 | 11 | 13 | 21 | 25 | 24 | 20 | 17 | 16 | 16 | 15 |
1 | 4 | 6 | 5 | 2 | 1 | 2 | 5 | 9 | 10 | 15 | 14 | 8 | 8 | 7 | 9 | 17 | 21 | 18 | 15 | 13 | 11 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | — |
 kJ | 123 | 96 | 94 | 94 | 72 | 162 | 275 | 238 | 130 | 79 | 57 | 24 | 13 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — |
Swell 2 Height (m) Direction Period (s) | — | NNE 4 | N 4 | NNE 4 | SE 9 | SE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 14 | 9 | 3 | 37 | 54 | 20 | 10 | 19 | 9 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | SE 10 | SE 10 | NNE 4 | NE 4 | — | — | — | NE 6 | SSE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | 4 | 1 | 1 | — | — | — | 1 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | — | NW 3 | WNW 3 | W 2 | WSW 3 | SW 3 | SSW 4 | SW 4 | SSW 4 | S 6 | SSE 7 | S 6 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 |
| kJ | 9 | 24 | — | 2 | 1 | 1 | 3 | 3 | 8 | 16 | 10 | 54 | 175 | 98 | 60 | 74 | 83 | 135 | 383 | 443 | 317 | 255 | 270 | 247 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 5 | 5 | 5 | 0 | 0 | 0 | 14 | 2570 | 60 | 14 | 0 | 198 | 198 | 198 | 198 | 2348 | 2348 | 2758 | 2570 | 2570 | 1724 | 1693 | 1681 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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