Surf Forecasts:
How big are the waves at Costellos today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 0.5ft (0.2m), 9s period with ESE 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 5AM is: 0.3m 10s primary swell from a Southeast direction and 0.1m 6s secondary swell from a Southeast direction, 0.2m 2s secondary swell from a North-northeast direction (forecast issued at 01:00am September 12). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 0.5ft (0.2m) | 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 13mm), heaviest on Sun morning. Warm (max 21°C on Mon afternoon, min 12°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 11 | SE 10 | SE 9 | ESE 10 | ESE 10 | ESE 10 | SE 10 | S 4 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 7 | SE 8 | SE 8 | SE 8 | SE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 18 | 14 | 14 | 9 | 9 | 9 | 15 | 30 | 19 | 15 | 25 | 24 | 24 | 23 | 31 | 30 | 29 | 21 | 37 | 52 | 50 | 48 | 45 | 44 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 00:11AM3.59m | 12:33PM3.59m | 00:57AM3.50m | 1:16PM3.56m | 1:43AM3.37m | 1:58PM3.48m | ||||||||||||||||||
Low Tide | 6:22AM0.21m | 6:46PM0.19m | 7:05AM0.31m | 7:32PM0.24m | 7:47AM0.45m | 8:17PM0.34m | ||||||||||||||||||
 | |  | | | | |  |  | |  |  |  |  | | | | |  | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 10 | 1 | — | — | — | — | — | 2 | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 17 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 16 | 19 | 21 | 21 | 18 | 15 |
Feels °C | 13 | 14 | 13 | 14 | 15 | 14 | 15 | 15 | 15 | 16 | 17 | 19 | 19 | 20 | 20 | 19 | 19 | 15 | 14 | 15 | 17 | 18 | 14 | 11 |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 10 | SE 9 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSE 4 | SE 10 | SE 10 | SSE 4 | SSE 4 | SE 4 | SE 4 | SE 6 | SE 6 | SE 7 | SE 8 | SE 8 | SE 8 | SE 7 |
| kJ | 18 | 14 | 14 | 9 | 9 | 9 | 15 | 15 | 15 | 15 | 10 | 24 | 24 | 17 | 12 | 9 | 9 | 19 | 24 | 52 | 50 | 48 | 45 | 44 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SE 6 | SE 6 | SE 6 | — | — | — | — | — | — | SE 10 | — | — | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | — | ENE 5 | E 5 | E 5 |
| kJ | 4 | 1 | 1 | 1 | — | — | — | — | — | — | 25 | — | — | 23 | 31 | 30 | 29 | 21 | 37 | 18 | — | 5 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | E 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 6 | — | E 4 | — | E 5 | N 3 | — | E 15 |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 1 | — | 2 | 1 | — | 4 |
Wind waves Height (m) Direction Period (s) | — | NNE 2 | — | — | SSE 6 | SE 3 | SSE 4 | S 4 | SSE 4 | SSE 4 | S 4 | SSE 4 | SSE 4 | — | — | — | — | WNW 2 | — | NW 2 | — | — | — | NE 4 |
| kJ | — | 1 | — | — | 4 | 2 | 10 | 30 | 19 | 10 | 13 | 12 | 17 | — | — | — | — | 1 | — | 1 | — | — | — | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 625 | 619 | 627 | 1290 | 911 | 916 | 501 | 680 | 38 | 38 | 409 | 227 | 168 | 182 | 182 | 131 | 38 | 38 | 4 | 5 | 0 | 0 | 493 | 38 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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