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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 Monday 01 Jun 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
13.2° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Costellos today (01 Jun):
- Morning surf: Morning surf (01 Jun, local time) - 3.5ft (1.0m), 8s period with E swell.
- Afternoon surf: Afternoon surf (01 Jun, local time) - 3.5ft (1.1m), 8s period with E swell.
- Evening surf: Evening surf (01 Jun, local time) - 3ft (0.9m), 9s period with E swell.
The current surf forecast for Costellos at 4AM is: 1.0m 8s primary swell from a East direction and 0.1m 15s secondary swell from a East direction, 0.6m 3s secondary swell from a Northeast direction (forecast issued at 01:00am June 01). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jun) | 3.5ft (1.0m) | 8s |
| Afternoon (01 Jun) | 3.5ft (1.1m) | 8s |
| Evening (01 Jun) | 3ft (0.9m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 9°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 1 | Tuesday 2 | Wednesday 3 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | |
173 | 144 | 111 | 190 | 165 | 143 | 150 | 116 | 113 | 93 | 102 | 78 | 58 | 43 | 45 | 29 | 28 | 28 | 15 | 15 | 14 | 7 | 6 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | on | cross-on | cross | cross-off | off | off | off | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross | cross | cross-off | |
High Tide | 00:08AM3.31m | 12:47PM2.94m | 00:49AM3.29m | 1:28PM2.91m | 1:30AM3.24m | 2:10PM2.87m | ||||||||||||||||||
Low Tide | 6:36AM0.47m | 6:39PM0.86m | 7:17AM0.49m | 7:20PM0.89m | 7:58AM0.55m | 8:02PM0.94m | ||||||||||||||||||
 | |  |  | |  | |  | | | | | | | | | | | | | | | | | |
 | — | 5:07 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 9 | 9 | 9 | 10 | 12 | 11 | 11 | 11 | 10 | 12 | 18 | 20 | 22 | 20 | 18 | 17 | 17 | 17 | 22 | 23 | 22 | 20 | 18 |
5 | 5 | 4 | 5 | 7 | 9 | 8 | 8 | 8 | 6 | 9 | 16 | 18 | 20 | 18 | 15 | 14 | 14 | 14 | 20 | 19 | 17 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | SSE 8 | SE 8 |
 kJ | 173 | 144 | 111 | 190 | 165 | 143 | 150 | 116 | 113 | 93 | 102 | 78 | 58 | 43 | 45 | 29 | 28 | 28 | 15 | 15 | 14 | 6 | 6 | 2 |
Swell 2 Height (m) Direction Period (s) | E 15 | S 3 | — | — | — | — | — | — | — | — | — | — | SE 10 | SE 10 | SSE 3 | SSE 3 | SSE 4 | SSE 4 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | E 9 | E 8 |
| kJ | 4 | 1 | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 2 | 2 | 1 | 1 | 6 | 6 | 7 | 7 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 13 | SE 9 | SE 9 | SSE 8 | SSE 8 | SSE 4 | — | E 12 | E 12 | E 12 | SE 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 3 | 3 | 7 | 7 | 1 | — | 3 | 3 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | WSW 3 | NE 3 | ENE 4 | E 5 | E 5 | — | — | — | — | — | WSW 2 | WSW 2 | SSW 3 | S 3 | — | — | — | — | — | — | — | S 3 | S 4 | SSW 4 |
| kJ | 2 | 6 | 32 | 38 | 47 | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | 5 | 13 | 31 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 44 | 199 | 186 | 39 | 39 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 14 | 83 | 133 | 126 | 126 | 1296 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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