Surf Forecasts:
How big are the waves at Costellos today (26 Aug):
- Morning surf: Morning surf (26 Aug, local time) - 1.5ft (0.5m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (26 Aug, local time) - 2.5ft (0.7m), 9s period with SE swell.
- Evening surf: Evening surf (26 Aug, local time) - 3ft (0.9m), 9s period with ESE swell.
The current surf forecast for Costellos at 3PM is: 0.7m 9s primary swell from a Southeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 07:00am August 26). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | 1.5ft (0.5m) | 9s |
| Afternoon (26 Aug) | 2.5ft (0.7m) | 9s |
| Evening (26 Aug) | 3ft (0.9m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Fri afternoon. Warm (max 27°C on Thu afternoon, min 17°C on Wed morning). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||||||||||
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 10 | SE 9 | ESE 9 | SE 9 | SE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 8 | SE 8 | SE 8 | SE 8 | SSE 5 | SSE 5 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph | |||||||||||||||||||||||
28 | 23 | 54 | 77 | 75 | 117 | 138 | 132 | 126 | 120 | 105 | 181 | 75 | 85 | 81 | 74 | 72 | 57 | 55 | 55 | 54 | 53 | 51 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | glassy | off | cross-off |
High Tide | 10:45AM2.91m | 10:54PM3.22m | 11:24AM3.04m | 11:35PM3.29m | 12:01PM3.16m | ||||||||||||||||||
Low Tide | 4:36AM0.64m | 4:43PM0.82m | 5:14AM0.55m | 5:24PM0.69m | 5:52AM0.49m | 6:05PM0.58m | |||||||||||||||||
6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | |
— | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:27 | — | — | — | — | — | — | — | 7:24 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 2 | 3 | 2 | 4 | 1 | — |
Temp °C | 18 | 17 | 22 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 25 | 27 | 27 | 25 | 23 | 22 | 21 | 21 | 24 | 26 | 25 | 25 | 22 |
Feels °C | 17 | 17 | 23 | 21 | 20 | 21 | 21 | 22 | 19 | 20 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 23 | 26 | 27 | 27 | 27 | 22 |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 9 | ESE 9 | SE 9 | SE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
9 | 23 | 54 | 77 | 75 | 117 | 138 | 132 | 126 | 120 | 105 | 107 | 75 | 75 | 75 | 74 | 72 | 57 | 55 | 55 | 54 | 53 | 51 | |
Swell 2 Height (m) Direction Period (s) | SE 10 | ESE 6 | E 13 | E 13 | ESE 10 | SE 8 | — | — | SSE 4 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 4 | SE 5 |
28 | 8 | 3 | 3 | 20 | 11 | — | — | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 10 | 10 | |
Swell 3 Height (m) Direction Period (s) | E 14 | SSE 5 | E 13 | E 13 | E 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | E 10 |
4 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 2 | SSE 3 | S 4 | S 4 | S 4 | SSW 4 | S 3 | SE 8 | SSE 5 | SSE 5 | SSE 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | — | — |
— | — | — | — | 2 | 3 | 6 | 7 | 7 | 5 | 3 | 181 | 73 | 85 | 81 | 51 | 34 | 28 | 30 | 21 | 14 | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 14 | 131 | 0 | 123 | 618 | 493 | 0 | 0 | 0 | 0 | 14 | 916 | 916 | 916 | 802 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













