Surf Forecasts:
How big are the waves at Costellos today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
- Evening surf: Evening surf (25 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
The current surf forecast for Costellos at 9AM is: 0.6m 6s primary swell from a Southeast direction and 0.4m 11s secondary swell from a Southeast direction (forecast issued at 01:00am August 25). The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 1.5ft (0.4m) | 11s |
| Afternoon (25 Aug) | 1.5ft (0.4m) | 11s |
| Evening (25 Aug) | 1.5ft (0.4m) | 11s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 27°C on Thu afternoon, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||||||||||||
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 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 9 | ESE 9 | SE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 8 | SE 8 | SE 9 | SE 8 | SSE 5 | SSE 6 |
Wave Graph | ||||||||||||||||||||||||
30 | 37 | 32 | 32 | 29 | 29 | 29 | 29 | 29 | 29 | 23 | 53 | 52 | 74 | 145 | 138 | 132 | 132 | 142 | 120 | 164 | 262 | 107 | 72 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross-off | off | glassy | cross-off | cross | cross-on | cross | cross-off | cross-off |
High Tide | 10:04AM2.78m | 10:11PM3.13m | 10:45AM2.91m | 10:54PM3.22m | 11:24AM3.04m | |||||||||||||||||||
Low Tide | 3:54AM0.74m | 3:59PM0.95m | 4:36AM0.64m | 4:43PM0.82m | 5:14AM0.55m | 5:24PM0.69m | ||||||||||||||||||
— | 5:58 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | |
— | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:27 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 19 | 18 | 18 | 23 | 24 | 24 | 22 | 21 | 18 | 17 | 17 | 21 | 23 | 22 | 22 | 21 | 20 | 19 | 19 | 25 | 26 | 27 | 26 | 23 |
Feels °C | 19 | 16 | 16 | 21 | 23 | 22 | 21 | 20 | 17 | 16 | 17 | 22 | 21 | 20 | 21 | 21 | 20 | 19 | 19 | 24 | 24 | 26 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | SSE 5 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 9 | ESE 9 | SE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 8 | SE 8 | E 11 | E 11 | SE 8 | SE 8 |
24 | 37 | 32 | 32 | 20 | 20 | 19 | 14 | 12 | 9 | 23 | 53 | 52 | 74 | 145 | 138 | 132 | 132 | 142 | 120 | 2 | 2 | 74 | 72 | |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | ESE 6 | E 13 | ESE 8 | SE 8 | — | — | S 4 | S 4 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 |
30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 8 | 3 | 27 | 42 | — | — | 11 | 8 | 2 | 2 | 2 | 2 | 2 | 2 | |
Swell 3 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | SSE 3 | E 6 | E 14 | SSE 5 | SSE 6 | E 13 | E 13 | — | — | — | — | — | — | — | — | — | — | — |
7 | 3 | 3 | 3 | 3 | 3 | 2 | 1 | 4 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 3 | S 3 | — | — | — | — | — | — | SSE 3 | SSE 3 | S 4 | — | S 4 | S 4 | S 3 | SE 9 | SE 8 | SSE 5 | SSE 6 |
— | — | — | — | — | 2 | 2 | — | — | — | — | — | — | 3 | 3 | 6 | — | 7 | 4 | 1 | 164 | 262 | 107 | 69 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 247 | 247 | 131 | 0 | 126 | 493 | 493 | 0 | 0 | 0 | 0 | 14 | 1290 | 123 | 916 | 60 |
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)













