Surf Forecasts:
How big are the waves at Costellos today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 3.5ft (1.0m), 6s period with SSE swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 2ft (0.6m), 6s period with S swell.
- Evening surf: Evening surf (10 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
The current surf forecast for Costellos at 2PM is: 0.6m 6s primary swell from a South direction and 0.3m 9s secondary swell from a Southeast direction (forecast issued at 07:00am September 10). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 3.5ft (1.0m) | 6s |
| Afternoon (10 Sep) | 2ft (0.6m) | 6s |
| Evening (10 Sep) | 1ft (0.3m) | 10s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Thu afternoon, min 15°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||||||||
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) | S 6 | SSE 6 | SSE 6 | S 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 11 | SE 9 | SE 10 | SE 9 | ESE 9 | ESE 10 | ESE 10 | S 4 | S 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 129 | 98 | 51 | 31 | 14 | 14 | 14 | 15 | 15 | 24 | 15 | 15 | 15 | 11 | 18 | 13 | 14 | 14 | 9 | 9 | 9 | 50 | 60 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-on | cross-on | cross | cross-off |
High Tide | 11:03AM3.45m | 11:23PM3.62m | 11:49AM3.55m | 00:11AM3.59m | 12:33PM3.59m | ||||||||||||||||||
Low Tide | 4:51AM0.20m | 5:11PM0.29m | 5:38AM0.17m | 5:59PM0.21m | 6:22AM0.21m | 6:46PM0.19m | |||||||||||||||||
 |  | | |  |  | |  | | | | | |  | | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 27 | 29 | 28 | 24 | 20 | 19 | 18 | 16 | 19 | 22 | 23 | 21 | 19 | 16 | 15 | 15 | 19 | 21 | 20 | 21 | 19 |
Feels °C | 19 | 20 | 24 | 24 | 24 | 21 | 18 | 17 | 16 | 12 | 14 | 17 | 18 | 18 | 16 | 14 | 13 | 13 | 17 | 17 | 16 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | SSE 6 | SSE 6 | S 6 | SSE 5 | SE 7 | SE 7 | SE 7 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 11 | SE 9 | SE 10 | SE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 10 | 98 | 51 | 31 | 10 | 11 | 11 | 11 | 15 | 24 | 15 | 15 | 15 | 11 | 18 | 13 | 14 | 14 | 9 | 9 | 9 | 9 | 10 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | SE 9 | SE 9 | SSE 7 | SE 10 | SE 10 | SE 10 | SSE 6 | — | SSE 6 | — | NE 4 | SSE 7 | — | SE 11 | SSE 6 | SE 6 | SSE 6 | — | — | — | — |
| kJ | 1 | 1 | 14 | 14 | 5 | 14 | 14 | 15 | 4 | — | 4 | — | 1 | 4 | — | 5 | 4 | 1 | 4 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | E 8 | E 8 | E 8 | SE 10 | — | — | — | — | — | — | NNE 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 1 | 1 | 14 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | WSW 4 | WSW 4 | W 3 | W 3 | W 3 | WSW 3 | — | NW 2 | WNW 2 | NW 3 | — | — | WNW 2 | — | — | — | — | — | SSE 2 | SSE 3 | S 4 | S 5 |
| kJ | 129 | 11 | 5 | 2 | 5 | 3 | 2 | — | 1 | 1 | 2 | — | — | 1 | — | — | — | — | — | 1 | 9 | 50 | 60 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1619 | 395 | 0 | 179 | 38 | 162 | 162 | 163 | 182 | 493 | 192 | 247 | 338 | 232 | 227 | 247 | 625 | 1296 | 1296 | 1296 | 951 | 916 | 808 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Costellos surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest