Surf Forecasts:
How big are the waves at Costellos today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 7s period with SE swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 7s period with ESE swell.
The current surf forecast for Costellos at 2AM is: 0.8m 6s primary swell from a Southeast direction and 0.4m 8s secondary swell from a Southeast direction (forecast issued at 07:00pm August 19). The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 8s |
| Afternoon (20 Aug) | 2ft (0.6m) | 7s |
| Evening (20 Aug) | 2ft (0.6m) | 7s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sat afternoon. Warm (max 26°C on Wed night, min 16°C on Sat afternoon). Wind will be generally light. | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
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 6 | SE 6 | SE 6 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 36 | 43 | 38 | 45 | 38 | 63 | 48 | 45 | 43 | 34 | 36 | 46 | 46 | 48 | 39 | 39 | 38 | 37 | 36 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | cross-off | glassy | cross-on | cross | cross-off | off | cross-off | cross-off | cross | cross-on | on | cross-on | cross | cross-off |
High Tide | 4:56PM3.09m | 5:33AM2.72m | 5:48PM2.97m | 6:32AM2.60m | 6:45PM2.91m | ||||||||||||||
Low Tide | 11:22PM0.78m | 11:31AM1.04m | 00:20AM0.88m | 12:26PM1.14m | |||||||||||||||
 |  |  | | | |  | |  |  | | | | | | | | | | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | 7:38 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 23 | 22 | 21 | 21 | 25 | 26 | 25 | 23 | 22 | 20 | 19 | 18 | 22 | 23 | 22 | 21 | 20 |
Feels °C | 27 | 25 | 23 | 22 | 21 | 21 | 26 | 25 | 25 | 21 | 20 | 18 | 17 | 16 | 20 | 20 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 36 | 43 | 38 | 45 | 38 | 63 | 48 | 45 | 43 | 34 | 36 | 46 | 46 | 48 | 39 | 39 | 38 | 37 | 36 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | — | — | — | — | E 16 | E 8 | E 8 | E 8 | E 7 | SE 15 | SE 14 | NE 3 | SE 14 | SE 14 |
| kJ | 18 | 11 | 11 | 18 | 17 | — | — | — | — | 5 | 1 | 1 | 1 | 4 | 8 | 8 | 2 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 16 | E 16 | E 16 | E 15 | E 15 | E 15 | E 15 | E 15 | SE 14 | E 14 | E 14 |
| kJ | — | — | — | — | — | — | — | — | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 8 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | SSE 3 | — | — | — | — | — | — | — | — | — | — | — | N 3 | NNE 3 | NNE 4 | NE 3 | — | — | — |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | — | 2 | 7 | 8 | 4 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 14 | 0 | 0 | 0 | 14 | 409 | 14 | 14 | 14 | 0 | 0 | 5 | 493 | 3544 | 618 | 493 | 14 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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