
Surf Forecasts:
How big are the waves at Costellos today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 1.5ft (0.5m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 1.5ft (0.4m), 8s period with SE swell.
- Evening surf: Evening surf (17 Oct, local time) - 1ft (0.3m), 8s period with SE swell.
The current surf forecast for Costellos at 7PM is: 0.4m 8s primary swell from a Southeast direction and 0.2m 7s secondary swell from a South direction (forecast issued at 01:00pm October 17). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 1.5ft (0.5m) | 8s |
| Afternoon (17 Oct) | 1.5ft (0.4m) | 8s |
| Evening (17 Oct) | 1ft (0.3m) | 8s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 11°C on Tue morning, min 4°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | |||||||||||||||||||
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 8 | SE 8 | SE 8 | SE 8 | N 5 | NNE 5 | NE 5 | NE 5 | ENE 4 | ENE 4 | E 4 | SE 8 | SSE 3 | SSE 3 | SE 3 | ESE 10 | ESE 10 | ESE 10 | SE 10 | ESE 10 | ESE 10 |
Wave Graph | |||||||||||||||||||||
31 | 16 | 16 | 10 | 17 | 25 | 9 | 7 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 10 | 10 | 20 | 47 | 168 | 277 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | glassy | cross-on | cross | cross-off | glassy | cross-off | cross-off | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 4:27PM2.90m | 5:15AM2.60m | 5:22PM2.81m | 6:13AM2.58m | 6:21PM2.77m | ||||||||||||||||
Low Tide | 10:14AM1.14m | 10:59PM0.89m | 11:09AM1.22m | 11:55PM0.96m | 12:09PM1.23m | ||||||||||||||||
— | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | |
— | — | 5:58 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:53 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 9 | 6 | 4 | 4 | 4 | 4 | 6 | 10 | 10 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 9 |
Feels °C | 2 | 1 | 2 | 0 | -1 | 0 | 0 | 1 | 2 | 6 | 6 | 3 | 4 | 5 | 4 | 4 | 5 | 6 | 5 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | NNE 5 | NE 5 | NE 5 | ENE 4 | ENE 4 | E 4 | SE 8 | SE 8 | SE 10 | SE 3 | SE 3 | SE 4 | SE 5 | SE 10 | ESE 10 | ESE 10 |
31 | 16 | 16 | 10 | 10 | 9 | 9 | 7 | 2 | 1 | 1 | 3 | 3 | 4 | 2 | 2 | 4 | 6 | 47 | 168 | 277 | |
Swell 2 Height (m) Direction Period (s) | — | NNE 5 | — | S 7 | S 7 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | E 4 | E 10 | SE 8 | SE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 5 | — | — |
— | 2 | — | 4 | 4 | 11 | 7 | 3 | 3 | 3 | 3 | 1 | 2 | 3 | 3 | 10 | 10 | 20 | 11 | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 7 | S 7 | S 8 | E 6 | E 6 | E 6 | E 10 | E 10 | E 10 | SE 10 | E 9 | E 9 | — | — | — |
— | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 4 | 2 | 2 | — | — | — | |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 4 | NNW 4 | N 4 | N 5 | NNE 5 | — | — | — | — | — | — | SSE 3 | SSE 3 | S 3 | — | — | — | — | — | — |
11 | 11 | 10 | 13 | 17 | 25 | — | — | — | — | — | — | 3 | 4 | 1 | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 168 | 493 | 493 | 525 | 525 | 501 | 69 | 355 | 355 | 333 | 333 | 855 | 855 | 911 | 333 | 186 | 2579 | 1193 | 39 | 1189 | 1065 |
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)











