
Surf Forecasts:
How big are the waves at Costellos today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 8ft (2.5m), 11s period with ESE swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 10ft (3.0m), 11s period with ESE swell.
- Evening surf: Evening surf (25 Sep, local time) - 10ft (3.0m), 11s period with ESE swell.
The current surf forecast for Costellos at 5PM is: 3.0m 11s primary swell from a East-southeast direction and 0.8m 12s secondary swell from a Southeast direction (forecast issued at 01:00pm September 25). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 8ft (2.5m) | 11s |
| Afternoon (25 Sep) | 10ft (3.0m) | 11s |
| Evening (25 Sep) | 10ft (3.0m) | 11s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 56mm), heaviest during Sat afternoon. Very mild (max 17°C on Fri night, min 12°C on Sun night). Winds increasing (moderate winds from the NE on Fri night, strong winds from the NE by Sat night). | |||||||||||||||||||||
Fri 25 | Saturday 26 | Sunday 27 | |||||||||||||||||||
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 | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | E 9 |
Wave Graph | |||||||||||||||||||||
1886 | 1914 | 2226 | 2052 | 2015 | 1975 | 2442 | 2726 | 2866 | 2888 | 3092 | 3233 | 3345 | 3303 | 3053 | 2762 | 2252 | 1957 | 1769 | 1556 | 1463 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:46AM3.17m | 11:04PM3.25m | 11:24AM3.33m | 11:46PM3.32m | 12:03PM3.47m | ||||||||||||||||
Low Tide | 4:54PM0.57m | 5:14AM0.51m | 5:36PM0.41m | 5:52AM0.45m | 6:18PM0.29m | ||||||||||||||||
— | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | |
— | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:31 | — | — | |
mm | — | — | — | — | — | — | 1 | 1 | 2 | 11 | 5 | 6 | 4 | 3 | 3 | 5 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 15 | 16 | 16 | 17 | 16 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 |
Feels °C | 9 | 10 | 10 | 12 | 11 | 9 | 7 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 6 | 5 | 4 | 6 |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 11 | SE 12 | ESE 11 | ESE 11 | ESE 11 | — | — | — | — | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 8 | SSE 8 |
1886 | 1914 | 178 | 2052 | 2015 | 1975 | — | — | — | — | 19 | 33 | 65 | 46 | 46 | 40 | 59 | 56 | 29 | 23 | 24 | |
Swell 2 Height (m) Direction Period (s) | SE 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
178 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | ESE 11 | — | — | — | ESE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | E 9 |
54 | 79 | 2226 | — | — | — | 2442 | 2726 | 2866 | 2888 | 3092 | 3233 | 3345 | 3303 | 3053 | 2762 | 2252 | 1957 | 1769 | 1556 | 1463 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1065 | 911 | 911 | 625 | 620 | 855 | 506 | 916 | 1051 | 1051 | 916 | 916 | 521 | 911 | 911 | 816 | 815 | 812 | 517 | 808 | 540 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)











