Surf Forecasts:
How big are the waves at Costellos today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 2.5ft (0.7m), 6s period with E swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 1ft (0.3m), 12s period with ESE swell.
- Evening surf: Evening surf (23 Aug, local time) - 1ft (0.3m), 12s period with ESE swell.
The current surf forecast for Costellos at 4AM is: 0.9m 6s primary swell from a East direction and 0.2m 13s secondary swell from a East-southeast direction (forecast issued at 07:00pm August 22). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 2.5ft (0.7m) | 6s |
| Afternoon (23 Aug) | 1ft (0.3m) | 12s |
| Evening (23 Aug) | 1ft (0.3m) | 12s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sun night. Warm (max 27°C on Mon afternoon, min 17°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | |||||||||||||||||
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 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 12 | ESE 12 | ESE 12 | E 7 | E 6 | SE 12 | SE 12 | SE 6 | SE 6 | SSE 6 | SSE 6 | S 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 33 | 75 | 62 | 49 | 39 | 31 | 32 | 29 | 28 | 28 | 32 | 21 | 35 | 35 | 58 | 68 | 69 | 82 | 114 |
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 | on | on | on | on | glassy | cross | off | glassy | cross-off | cross-off | cross-off | off | cross-off | off |
High Tide | 7:42PM2.90m | 8:28AM2.59m | 8:36PM2.95m | 9:19AM2.66m | 9:26PM3.03m | ||||||||||||||
Low Tide | 2:16AM0.90m | 2:20PM1.15m | 3:08AM0.84m | 3:12PM1.07m | |||||||||||||||
 |  | | | |  | | |  |  | |  |  |  | | |  | | | |
 | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | 7:35 | — | — | — | — | — | — | — | 7:32 | — | — | — | — | — | — | — | 7:31 | — | — |
mm | 1 | — | — | — | — | — | — | — | 1 | 1 | 3 | 1 | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 19 | 20 | 21 | 20 | 19 | 19 | 19 | 25 | 27 | 27 | 24 | 21 |
Feels °C | 16 | 16 | 17 | 18 | 18 | 18 | 19 | 20 | 22 | 25 | 22 | 20 | 21 | 20 | 22 | 23 | 24 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | ESE 5 | ESE 8 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 12 | ESE 7 | E 7 | E 6 | E 6 | E 6 | SE 6 | SE 11 | SE 6 | SE 6 | SSE 6 |
| kJ | 33 | 11 | 62 | 49 | 39 | 31 | 32 | 15 | 28 | 9 | 32 | 21 | 20 | 21 | 58 | 33 | 56 | 54 | 79 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 7 | ESE 7 | ESE 12 | ESE 12 | ESE 12 | SSE 4 | SSE 4 | SE 12 | ESE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 19 | 17 | 16 | 16 | 16 | 15 | 15 | 9 | 9 | 28 | 28 | 14 | 7 | 6 | 34 | 25 | 32 | 31 | 30 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | SE 9 | E 8 | ESE 9 | SE 9 | SE 9 | SE 9 | ESE 12 | SE 9 | SE 8 | ESE 8 | ESE 8 | SE 12 | SE 12 | SE 12 | E 6 | — | E 6 | E 6 |
| kJ | 17 | 3 | 5 | 8 | 3 | 3 | 3 | 29 | 3 | 3 | 7 | 7 | 35 | 35 | 6 | 3 | — | 6 | 3 |
Wind waves Height (m) Direction Period (s) | NE 3 | E 6 | NNE 4 | — | — | — | — | — | ESE 5 | ESE 5 | SSE 4 | S 4 | — | — | SW 2 | SE 6 | SSE 6 | SSE 6 | S 6 |
| kJ | 6 | 75 | 7 | — | — | — | — | — | 23 | 22 | 9 | 9 | — | — | 1 | 68 | 69 | 82 | 114 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 815 | 5 | 5 | 5 | 910 | 951 | 910 | 2019 | 415 | 0 | 8 | 0 | 0 | 0 | 123 | 367 | 0 | 0 | 0 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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