Surf Forecasts:
How big are the waves at Costellos today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 1.5ft (0.5m), 7s period with ESE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 1.5ft (0.4m), 7s period with ESE swell.
- Evening surf: Evening surf (18 Sep, local time) - 1.5ft (0.4m), 7s period with ESE swell.
The current surf forecast for Costellos at 1PM is: 0.5m 7s primary swell from a East-southeast direction and 0.2m 12s secondary swell from a East-southeast direction (forecast issued at 07:00am September 18). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 1.5ft (0.5m) | 7s |
| Afternoon (18 Sep) | 1.5ft (0.4m) | 7s |
| Evening (18 Sep) | 1.5ft (0.4m) | 7s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Sun night. Warm (max 24°C on Fri afternoon, min 9°C on Sat morning). Wind will be generally light. | |||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||
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) | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | NE 5 | NE 5 | NE 5 | NE 5 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | ESE 11 | ESE 11 | SE 11 | ESE 9 | ESE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 27 | 29 | 28 | 19 | 18 | 18 | 19 | 70 | 55 | 26 | 27 | 25 | 24 | 23 | 23 | 15 | 15 | 16 | 23 | 22 | 30 | 16 | 28 |
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 | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-on |
High Tide | 4:55AM2.67m | 5:06PM2.92m | 5:53AM2.57m | 6:04PM2.84m | 6:54AM2.54m | 7:04PM2.82m | |||||||||||||||||
Low Tide | 10:50AM1.12m | 11:39PM0.91m | 11:47AM1.21m | 00:39AM0.97m | 12:47PM1.23m | ||||||||||||||||||
 |  | | | |  |  | | | | |  | | | | | | |  | |  |  | | |
 | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 |
Temp °C | 18 | 19 | 23 | 24 | 24 | 19 | 15 | 13 | 10 | 9 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 15 | 15 | 13 | 13 | 12 |
Feels °C | 19 | 20 | 21 | 22 | 20 | 15 | 12 | 8 | 5 | 4 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 12 | 11 | 11 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SSE 5 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 5 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 11 | SE 4 | SSE 4 | ESE 8 |
| kJ | 12 | 29 | 28 | 19 | 18 | 18 | 19 | 24 | 24 | 25 | 26 | 12 | 24 | 23 | 23 | 15 | 15 | 16 | 12 | 22 | 4 | 5 | 28 |
Swell 2 Height (m) Direction Period (s) | E 7 | SSE 4 | SSE 4 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 8 | NE 5 | ENE 4 | ESE 11 | ESE 11 | S 3 | ESE 11 | ESE 11 | SE 7 | SE 11 | ESE 11 | SE 4 |
| kJ | 27 | 8 | 3 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 25 | 5 | 2 | 12 | 12 | 1 | 11 | 23 | 7 | 30 | 11 | 3 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 12 | SSE 4 | SSE 4 | SE 8 | SE 8 | SE 11 | SE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | E 4 | — | ESE 11 | S 3 | SE 11 | SE 11 | ESE 7 | ESE 9 | SE 6 |
| kJ | 15 | 14 | 14 | 2 | 1 | 3 | 3 | 5 | 6 | 13 | 13 | 13 | 12 | 12 | 1 | — | 12 | 1 | 5 | 5 | 5 | 16 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 3 | NNE 4 | NE 5 | NE 5 | NE 5 | NE 5 | — | — | — | S 3 | S 3 | — | — | SSE 2 | SSE 3 | SSW 4 | S 4 | SE 4 |
| kJ | — | — | — | — | — | 2 | 8 | 70 | 55 | 26 | 27 | — | — | — | 2 | 1 | — | — | 1 | 6 | 4 | 6 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 14 | 247 | 247 | 501 | 501 | 501 | 44 | 5 | 98 | 98 | 1296 | 1296 | 14 | 1049 | 916 | 916 | 916 | 916 | 916 | 1290 | 1189 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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