Surf Forecasts:
How big are the waves at Costellos today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 1ft (0.3m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 0.5ft (0.2m), 9s period with ESE swell.
- Evening surf: Evening surf (16 Aug, local time) - 2.5ft (0.8m), 4s period with SSE swell.
The current surf forecast for Costellos at 5AM is: 0.3m 9s primary swell from a Southeast direction (forecast issued at 01:00am August 16). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 1ft (0.3m) | 9s |
| Afternoon (16 Aug) | 0.5ft (0.2m) | 9s |
| Evening (16 Aug) | 2.5ft (0.8m) | 4s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Mon afternoon. Warm (max 23°C on Sun night, min 16°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||||
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 9 | SE 9 | SE 9 | SE 9 | ESE 9 | SE 9 | SSE 4 | S 5 | S 5 | SSE 5 | S 5 | S 5 | S 5 | SSE 4 | SSE 4 | SSE 4 | SE 5 | SE 5 | SE 5 | SE 5 | SSE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph | ||||||||||||||||||||||||
12 | 12 | 12 | 12 | 8 | 12 | 19 | 57 | 50 | 42 | 40 | 36 | 34 | 27 | 18 | 21 | 23 | 24 | 20 | 16 | 47 | 126 | 120 | 99 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 2:09AM3.52m | 2:34PM3.49m | 2:58AM3.32m | 3:20PM3.38m | 3:47AM3.10m | 4:07PM3.23m | ||||||||||||||||||
Low Tide | 8:21AM0.28m | 8:47PM0.35m | 9:06AM0.47m | 9:37PM0.49m | 9:52AM0.68m | 10:28PM0.64m | ||||||||||||||||||
— | 5:48 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | |
— | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:40 | — | — | |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 4 | 3 | 2 | 1 | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 16 | 19 | 21 | 21 | 23 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 20 | 19 | 18 | 18 |
Feels °C | 17 | 15 | 15 | 18 | 19 | 19 | 21 | 20 | 19 | 20 | 19 | 19 | 20 | 20 | 22 | 22 | 21 | 20 | 20 | 20 | 21 | 19 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | SE 9 | — | SE 9 | SE 9 | SE 9 | ESE 8 | ESE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 5 | SE 5 | SE 5 | SE 5 | SSE 8 | SE 8 | SE 8 | SE 8 |
12 | 12 | 12 | 12 | 8 | 12 | — | 3 | 3 | 3 | 7 | 7 | 11 | 12 | 12 | 13 | 23 | 24 | 20 | 16 | 47 | 126 | 120 | 99 | |
Swell 2 Height (m) Direction Period (s) | — | — | SE 6 | — | — | — | — | — | — | — | — | — | — | SE 8 | SE 8 | — | SE 9 | SE 9 | SE 9 | SE 8 | — | — | — | — |
— | — | 2 | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | 13 | 12 | 12 | 11 | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 6 | SE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | — | — | SE 2 | SSE 4 | S 5 | S 5 | SSE 5 | S 5 | S 5 | S 5 | SSE 4 | SSE 4 | SSE 4 | — | — | — | — | E 5 | — | — | — |
— | — | 1 | — | — | 1 | 19 | 57 | 50 | 42 | 40 | 36 | 34 | 27 | 18 | 21 | — | — | — | — | 13 | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1898 | 2574 | 1300 | 1742 | 1898 | 3544 | 1693 | 1742 | 2570 | 815 | 364 | 338 | 321 | 287 | 186 | 162 | 162 | 162 | 168 | 168 | 198 | 162 | 192 | 192 |
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)













