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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 7 pm Wednesday 22 Apr 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
6.3° C
(Which is slightly warmer than usual)How big are the waves at Costellos today?
The current surf forecast for Costellos at 12AM is: 0.9m 5s primary swell from a South-southeast direction and 0.3m 7s secondary swell from a East direction (forecast issued at 07:00pm April 22). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 2ft (0.6m) | 5s |
| Afternoon (23 Apr) | 1.5ft (0.5m) | 5s |
| Evening (23 Apr) | 1.5ft (0.4m) | 5s |
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 Wed night. Very mild (max 13°C on Thu afternoon, min 3°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Sat 25 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | SE 5 | SE 5 | NNE 4 | N 4 | SE 7 | NNE 4 | SE 7 | NE 5 | ENE 5 | SSE 3 | E 7 | E 7 | E 15 | E 15 | E 14 | E 14 | |
28 | 34 | 36 | 43 | 31 | 24 | 17 | 12 | 6 | 7 | 5 | 9 | 9 | 13 | 9 | 7 | 5 | 3 | 4 | 8 | 18 | 17 | 37 | 36 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-off | cross-on | cross-on | cross | cross | on | on | |
High Tide | 4:09PM3.16m | 4:24AM3.46m | 5:13PM3.07m | 5:30AM3.31m | 6:19PM3.04m | 6:37AM3.21m | ||||||||||||||||||
Low Tide | 10:09PM0.65m | 10:55AM0.34m | 11:14PM0.75m | 12:00PM0.46m | 00:23AM0.80m | 1:03PM0.54m | ||||||||||||||||||
 |  |  |  | |  | | |  |  | | | | | |  | | | | | | | | | |
 | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — |
 | 7:32 | — | — | — | — | — | — | — | 7:34 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | 7:36 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 6 | 6 | 6 | 6 | 5 | 6 | 11 | 13 | 12 | 10 | 7 | 4 | 3 | 4 | 7 | 8 | 7 | 8 | 7 | 6 | 3 | 3 | 5 | 6 |
2 | 2 | 3 | 3 | 2 | 2 | 4 | 6 | 5 | 3 | 2 | -1 | -1 | 1 | 4 | 3 | 2 | 5 | 3 | 2 | -1 | -1 | 1 | 2 | |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | SE 5 | SE 5 | SSE 5 | ESE 5 | SSE 6 | NE 4 | ENE 5 | NE 5 | ENE 5 | ENE 5 | S 3 | E 7 | ESE 7 | ESE 6 | E 14 | E 6 |
 kJ | 8 | 8 | 8 | 28 | 31 | 24 | 17 | 12 | 6 | 7 | 5 | 3 | 3 | 7 | 9 | 7 | 5 | 2 | 1 | 8 | 15 | 13 | 37 | 28 |
Swell 2 Height (m) Direction Period (s) | SE 7 | — | — | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 5 | SSE 6 | E 6 | SSE 5 | SE 7 | SE 7 | E 8 | SE 7 | E 7 | S 3 | S 3 | E 15 | — | E 14 |
| kJ | 2 | — | — | 9 | 9 | 4 | 4 | 3 | 4 | 3 | 2 | 3 | 3 | 3 | 8 | 2 | 1 | 2 | 4 | 1 | 1 | 17 | — | 36 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 15 | E 15 | E 15 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | ESE 7 | SE 7 | E 6 | E 8 | E 8 | E 13 | SE 5 | ENE 4 | E 15 | E 15 | — | S 6 | E 9 |
| kJ | — | — | — | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 5 | 9 | 3 | 1 | 1 | 3 | 1 | 2 | 5 | 18 | — | 1 | 7 |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | SSE 5 | SSE 5 | WSW 3 | — | — | — | — | NNW 3 | NNE 4 | N 4 | NNE 4 | NNE 4 | — | SSE 5 | SSE 3 | SSE 3 | — | ENE 4 | NE 2 | NE 3 | E 6 | — |
| kJ | 28 | 34 | 36 | 43 | 2 | — | — | — | — | 2 | 5 | 9 | 7 | 13 | — | 5 | 5 | 3 | — | 2 | 1 | 3 | 28 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 494 | 321 | 254 | 0 | 118 | 186 | 227 | 232 | 232 | 331 | 276 | 808 | 247 | 247 | 618 | 503 | 493 | 493 | 493 | 493 | 493 | 503 | 493 | 192 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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