Surf Forecasts:
How big are the waves at Costellos today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 1ft (0.3m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 1ft (0.3m), 8s period with SE swell.
- Evening surf: Evening surf (31 Aug, local time) - 2.5ft (0.7m), 3s period with SSE swell.
The current surf forecast for Costellos at 6AM is: 0.3m 7s primary swell from a Southeast direction and 0.3m 5s secondary swell from a South-southeast direction (forecast issued at 01:00am August 31). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 1ft (0.3m) | 8s |
| Afternoon (31 Aug) | 1ft (0.3m) | 8s |
| Evening (31 Aug) | 2.5ft (0.7m) | 3s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Wed night. Very mild (max 19°C on Mon morning, min 16°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 3 | S 4 | S 4 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 10 | SSE 5 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 11 | 7 | 11 | 11 | 11 | 11 | 9 | 28 | 18 | 10 | 10 | 10 | 10 | 14 | 18 | 19 | 23 | 49 | 43 | 58 | 73 | 65 | 60 | 60 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | on | cross-on | cross-on | cross | cross-off | cross-off | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 1:36AM3.28m | 1:55PM3.38m | 2:20AM3.20m | 2:38PM3.39m | 3:07AM3.10m | 3:25PM3.36m | ||||||||||||||||||
Low Tide | 7:43AM0.49m | 8:11PM0.43m | 8:24AM0.55m | 8:58PM0.45m | 9:09AM0.64m | 9:49PM0.49m | ||||||||||||||||||
 | |  | | | | |  | |  |  |  | | | | | | |  | | | | | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 17 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 18 | 18 |
Feels °C | 20 | 19 | 17 | 18 | 17 | 16 | 17 | 18 | 20 | 21 | 19 | 18 | 14 | 15 | 16 | 16 | 17 | 16 | 18 | 16 | 17 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SSE 5 | SSE 5 | SE 8 | SE 8 | SE 8 | SE 8 | — | SE 8 | SE 8 | S 4 | SSE 4 | SSE 3 | SE 8 | SE 8 | SE 10 | SSE 5 | SSE 5 | SSE 5 | SE 5 | SE 11 | SE 5 | SE 5 | SE 5 | SE 10 |
| kJ | 11 | 5 | 11 | 11 | 11 | 11 | — | 11 | 10 | 8 | 4 | 2 | 10 | 11 | 15 | 19 | 15 | 16 | 16 | 58 | 21 | 27 | 29 | 60 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SE 7 | S 5 | — | — | — | — | — | — | SE 8 | SE 8 | SE 8 | SE 14 | SE 10 | SE 13 | SE 10 | SE 10 | SE 12 | SE 11 | — | SE 11 | SE 10 | SE 10 | — |
| kJ | 8 | 7 | 2 | — | — | — | — | — | — | 10 | 10 | 10 | 7 | 4 | 7 | 14 | 14 | 49 | 43 | — | 73 | 65 | 60 | — |
Swell 3 Height (m) Direction Period (s) | ESE 9 | ESE 9 | E 5 | — | S 5 | — | — | — | — | — | — | — | S 10 | E 13 | E 13 | SE 12 | SE 12 | — | — | — | — | — | — | — |
| kJ | 7 | 7 | 1 | — | 1 | — | — | — | — | — | — | — | 2 | 3 | 3 | 6 | 23 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 2 | — | — | — | — | SE 2 | SSE 3 | S 4 | S 4 | SSW 4 | — | — | SSE 4 | SSE 4 | SSE 4 | — | — | SE 5 | — | SE 5 | — | — | — | SE 6 |
| kJ | 1 | — | — | — | — | 2 | 9 | 28 | 18 | 6 | — | — | 4 | 14 | 18 | — | — | 16 | — | 16 | — | — | — | 31 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 251 | 618 | 641 | 619 | 493 | 1296 | 1296 | 1449 | 38 | 910 | 910 | 910 | 945 | 642 | 442 | 462 | 501 | 620 | 804 | 848 | 565 | 563 | 501 | 198 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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