Surf Forecasts:
How big are the waves at Costellos today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 1.5ft (0.4m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 1.5ft (0.4m), 8s period with SE swell.
- Evening surf: Evening surf (30 Aug, local time) - 1ft (0.3m), 9s period with SE swell.
The current surf forecast for Costellos at 10PM is: 0.5m 5s primary swell from a Southeast direction and 0.2m 9s secondary swell from a East-southeast direction (forecast issued at 01:00pm August 30). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 1.5ft (0.4m) | 8s |
| Afternoon (30 Aug) | 1.5ft (0.4m) | 8s |
| Evening (30 Aug) | 1ft (0.3m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Warm (max 29°C on Sun afternoon, min 17°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||
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 8 | SE 8 | SE 8 | SE 9 | SE 5 | SSE 6 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 4 | SSE 4 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 10 | SE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 23 | 23 | 24 | 12 | 14 | 17 | 19 | 11 | 11 | 11 | 11 | 11 | 15 | 17 | 11 | 10 | 10 | 10 | 11 | 15 | 14 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | cross-off | cross-off | cross-off | on | cross-on | cross-on | cross-on | cross | cross-off | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:16PM3.34m | 1:36AM3.28m | 1:55PM3.38m | 2:20AM3.20m | 2:38PM3.39m | ||||||||||||||||
Low Tide | 7:27PM0.45m | 7:43AM0.49m | 8:11PM0.43m | 8:24AM0.55m | 8:58PM0.45m | ||||||||||||||||
 | | |  |  |  | |  | | | | | |  |  | | |  | | | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:17 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | 1 | — | — | — |
Temp °C | 25 | 29 | 27 | 23 | 22 | 19 | 18 | 18 | 20 | 19 | 19 | 19 | 20 | 19 | 17 | 17 | 17 | 17 | 19 | 19 | 19 |
Feels °C | 23 | 26 | 26 | 22 | 21 | 18 | 18 | 18 | 19 | 17 | 17 | 18 | 20 | 20 | 19 | 18 | 17 | 17 | 19 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 7 | SE 5 | SSE 6 | SSE 5 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 4 | SSE 4 | SE 8 | SE 8 | SE 8 | SE 10 | SE 10 |
| kJ | 23 | 23 | 24 | 7 | 14 | 17 | 6 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 4 | 10 | 10 | 11 | 15 | 14 |
Swell 2 Height (m) Direction Period (s) | E 6 | E 6 | E 5 | SE 9 | ESE 9 | SE 7 | SE 9 | S 5 | — | NE 3 | — | — | — | — | SE 8 | SE 8 | — | SE 14 | SE 10 | SE 13 | SE 12 |
| kJ | 3 | 3 | 1 | 12 | 7 | 8 | 19 | 2 | — | 2 | — | — | — | — | 10 | 10 | — | 7 | 4 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | — | E 8 | E 8 | S 4 | — | SE 9 | — | — | — | — | — | — | — | — | — | SSW 4 | E 14 | S 10 | E 13 | E 13 | — |
| kJ | — | 1 | 1 | 1 | — | 3 | — | — | — | — | — | — | — | — | — | 2 | 4 | 2 | 3 | 3 | — |
Wind waves Height (m) Direction Period (s) | SW 3 | SSW 3 | SSW 3 | WSW 2 | WNW 2 | — | — | — | NNE 3 | — | SE 3 | SSE 3 | SSE 4 | SSE 4 | S 4 | — | SSE 3 | SSE 3 | SSE 4 | SSE 4 | SSE 4 |
| kJ | 3 | 2 | 1 | 1 | 1 | — | — | — | 1 | — | 2 | 4 | 15 | 17 | 11 | — | 2 | 5 | 5 | 5 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1052 | 2815 | 2025 | 2578 | 227 | 247 | 910 | 620 | 1875 | 501 | 493 | 1296 | 1296 | 910 | 910 | 910 | 910 | 951 | 525 | 1168 | 501 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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