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Surf Forecasts:
Costellos surfForecast / New Hampshire / USA
Forecast 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
9.8° C
(Which is normal for this time of year)How big are the waves at Costellos today?
The current surf forecast for Costellos at 4AM is: 0.4m 9s primary swell from a Southeast direction and 0.3m 6s secondary swell from a South-southeast direction, 0.4m 4s secondary swell from a Northeast direction (forecast issued at 07:00pm May 20). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 1.5ft (0.4m) | 9s |
| Afternoon (21 May) | 1ft (0.3m) | 9s |
| Evening (21 May) | 1ft (0.3m) | 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 25°C on Wed night, min 10°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | ||||||||||||||||||||||||
SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | |
29 | 41 | 41 | 29 | 21 | 29 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross | cross-on | on | cross | cross | cross-off | cross | cross | cross | cross | on | cross-on | cross-on | cross | cross-off | off | off | cross-off | on | on | |
High Tide | 2:56PM3.35m | 3:10AM3.67m | 3:55PM3.27m | 4:10AM3.50m | 4:56PM3.20m | 5:13AM3.32m | ||||||||||||||||||
Low Tide | 8:56PM0.47m | 9:38AM0.12m | 9:57PM0.57m | 10:37AM0.28m | 11:00PM0.66m | 11:37AM0.43m | ||||||||||||||||||
— | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | |
— | 8:04 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — | 8:07 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 28 | 25 | 20 | 17 | 15 | 13 | 12 | 14 | 16 | 13 | 13 | 11 | 10 | 11 | 13 | 14 | 14 | 13 | 12 | 13 | 12 | 13 | 15 | 14 |
26 | 22 | 17 | 13 | 12 | 10 | 9 | 11 | 12 | 9 | 10 | 6 | 6 | 7 | 9 | 8 | 8 | 7 | 7 | 10 | 9 | 11 | 11 | 9 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NE 4 | NE 4 | SE 9 | SE 9 | SSE 3 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | S 3 | SE 10 | SE 10 | SE 10 | SE 10 |
29 | 41 | 41 | 29 | 21 | 29 | 11 | 4 | 12 | 13 | 2 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 2 | 15 | 15 | 15 | 14 | |
Swell 2 Height (m) Direction Period (s) | SSE 5 | E 14 | E 14 | SSE 6 | SSE 6 | E 15 | SE 9 | SE 9 | NE 5 | ENE 4 | SE 9 | SSE 3 | SSE 5 | SE 5 | NE 3 | — | — | SE 13 | E 14 | SE 10 | S 3 | S 3 | — | E 14 |
6 | 4 | 4 | 7 | 7 | 4 | 12 | 12 | 3 | 1 | 13 | 1 | 3 | 1 | 2 | — | — | 7 | 4 | 15 | 1 | 1 | — | 4 | |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | WSW 3 | NNE 3 | E 15 | S 15 | SSE 6 | ENE 5 | SE 14 | SE 6 | SE 6 | SE 6 | SE 13 | E 14 | SE 5 | E 14 | E 14 | — | — | SE 13 | E 14 | E 14 | E 14 | — |
3 | 3 | 1 | 1 | 4 | 4 | 3 | 2 | 8 | 1 | 1 | 1 | 7 | 4 | 1 | 4 | 4 | — | — | 7 | 4 | 4 | 4 | — | |
Wind waves Height (m) Direction Period (s) | W 3 | W 3 | NW 2 | NNW 2 | NE 4 | NE 4 | — | SE 5 | SSE 3 | SSE 3 | S 3 | — | NNE 3 | NE 3 | NNE 3 | — | SSE 2 | S 3 | S 3 | — | — | — | — | — |
4 | 3 | 1 | 1 | 4 | 10 | — | 5 | 3 | 2 | 1 | — | 1 | 2 | 2 | — | 1 | 2 | 3 | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 38 | 131 | 182 | 186 | 186 | 186 | 186 | 333 | 618 | 333 | 333 | 620 | 627 | 887 | 883 | 887 | 910 | 910 | 910 | 254 | 883 | 938 | 938 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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