Surf Forecasts:
How big are the waves at Costellos today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.5m), 8s period with ESE swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.5m), 8s period with ESE swell.
The current surf forecast for Costellos at 11PM is: 0.5m 8s primary swell from a East-southeast direction and 0.3m 4s secondary swell from a East-northeast direction, 0.4m 4s secondary swell from a Northeast direction (forecast issued at 07:00pm August 21). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 1.5ft (0.5m) | 8s |
| Evening (21 Aug) | 1.5ft (0.5m) | 8s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sat afternoon. Warm (max 27°C on Mon afternoon, min 16°C on Sat afternoon). Wind will be generally light. | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
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) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | E 5 | E 6 | E 6 | E 6 | E 6 | ESE 12 | ESE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 38 | 37 | 37 | 36 | 36 | 35 | 35 | 39 | 80 | 77 | 64 | 39 | 28 | 32 | 33 | 29 | 28 | 28 | 28 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | glassy | glassy | on | on | cross-on | cross-on | glassy |
High Tide | 6:45PM2.91m | 7:32AM2.56m | 7:42PM2.90m | 8:28AM2.59m | 8:36PM2.95m | ||||||||||||||
Low Tide | 1:19AM0.92m | 1:24PM1.18m | 2:16AM0.90m | 2:20PM1.15m | |||||||||||||||
 |  | |  | | | |  | | | | | |  | | | |  |  | |
 | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | 7:36 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:32 | — | — |
mm | — | — | — | — | — | — | — | 3 | 3 | — | — | — | — | — | — | — | 1 | 1 | 1 |
Temp °C | 20 | 20 | 19 | 18 | 18 | 18 | 18 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 19 | 19 | 20 | 20 | 20 |
Feels °C | 19 | 20 | 19 | 17 | 16 | 16 | 15 | 14 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 19 | 22 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 |
| kJ | 38 | 37 | 37 | 36 | 36 | 35 | 20 | 39 | 80 | 77 | 64 | 39 | 28 | 32 | 33 | 24 | 24 | 17 | 23 |
Swell 2 Height (m) Direction Period (s) | SE 14 | ENE 4 | ENE 4 | ESE 14 | ESE 14 | ESE 13 | ESE 8 | ESE 8 | ESE 13 | ESE 13 | ESE 8 | E 8 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SE 6 |
| kJ | 8 | 6 | 3 | 18 | 18 | 18 | 35 | 20 | 17 | 17 | 12 | 10 | 16 | 30 | 29 | 29 | 28 | 28 | 9 |
Swell 3 Height (m) Direction Period (s) | E 14 | SE 14 | SE 14 | SE 14 | SE 14 | SE 13 | ESE 13 | ESE 13 | SE 9 | SE 9 | ESE 13 | ESE 13 | ESE 8 | ESE 8 | SE 8 | SE 9 | SE 9 | SE 8 | ESE 12 |
| kJ | 4 | 8 | 8 | 7 | 8 | 7 | 17 | 17 | 3 | 3 | 16 | 16 | 11 | 6 | 3 | 3 | 3 | 3 | 28 |
Wind waves Height (m) Direction Period (s) | E 4 | — | NE 4 | ENE 4 | ENE 3 | ENE 4 | NE 4 | NE 4 | NNE 4 | NNE 4 | N 4 | — | — | — | — | — | — | — | — |
| kJ | 8 | — | 3 | 3 | 4 | 13 | 11 | 12 | 8 | 10 | 6 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 352 | 186 | 5 | 5 | 287 | 804 | 199 | 44 | 44 | 5 | 0 | 0 | 0 | 0 | 910 | 2803 | 38 | 395 | 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)
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