Surf Forecasts:
How big are the waves at Costellos today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 1ft (0.3m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 0.5ft (0.2m), 10s period with ESE swell.
- Evening surf: Evening surf (12 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
The current surf forecast for Costellos at 3AM is: 0.3m 11s primary swell from a Southeast direction and 0.2m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm September 11). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 1ft (0.3m) | 9s |
| Afternoon (12 Sep) | 0.5ft (0.2m) | 10s |
| Evening (12 Sep) | 1ft (0.3m) | 10s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sun morning. Warm (max 21°C on Mon afternoon, min 14°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||
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) | SE 10 | SE 10 | ESE 11 | SE 11 | SE 10 | SE 9 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SSE 4 | SSE 4 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 15 | 17 | 11 | 18 | 17 | 14 | 9 | 9 | 9 | 15 | 24 | 27 | 20 | 17 | 24 | 24 | 23 | 31 | 30 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | glassy | cross-off |
High Tide | 00:11AM3.59m | 12:33PM3.59m | 00:57AM3.50m | 1:16PM3.56m | |||||||||||||||
Low Tide | 5:59PM0.21m | 6:22AM0.21m | 6:46PM0.19m | 7:05AM0.31m | 7:32PM0.24m | ||||||||||||||
 |  | | | | | | | | |  | |  |  |  | |  | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 8 | 2 | — | — | — |
Temp °C | 23 | 20 | 16 | 15 | 14 | 14 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 |
Feels °C | 18 | 17 | 13 | 13 | 12 | 13 | 15 | 14 | 14 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 19 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | ESE 11 | SE 11 | ENE 4 | SE 9 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 |
| kJ | 15 | 17 | 11 | 18 | 1 | 14 | 9 | 9 | 9 | 15 | 15 | 15 | 15 | 15 | 24 | 24 | 23 | 31 | 30 |
Swell 2 Height (m) Direction Period (s) | NE 5 | SSE 6 | SSE 7 | SSE 6 | SE 10 | ENE 4 | ENE 3 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 4 | 4 | 4 | 17 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | NE 4 | SSE 7 | — | SE 6 | SE 6 | SE 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 4 | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 2 | NW 3 | NNW 2 | — | — | — | — | SE 6 | SSE 3 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SSE 4 | SSE 4 | SSE 4 | SSE 4 |
| kJ | 1 | 1 | 1 | — | — | — | — | 6 | 3 | 12 | 24 | 27 | 20 | 17 | 19 | 17 | 16 | 16 | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 464 | 618 | 247 | 910 | 619 | 627 | 1290 | 1296 | 916 | 916 | 870 | 642 | 588 | 38 | 350 | 227 | 227 | 227 | 227 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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