Surf Forecasts:
How big are the waves at Costellos today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 1.5ft (0.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 1.5ft (0.5m), 7s period with E swell.
- Evening surf: Evening surf (17 Sep, local time) - 1.5ft (0.5m), 7s period with E swell.
The current surf forecast for Costellos at 9PM is: 0.5m 7s primary swell from a East direction and 0.2m 12s secondary swell from a East-southeast direction, 0.6m 4s secondary swell from a South-southeast direction (forecast issued at 01:00pm September 17). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 1.5ft (0.5m) | 8s |
| Afternoon (17 Sep) | 1.5ft (0.5m) | 7s |
| Evening (17 Sep) | 1.5ft (0.5m) | 7s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Thu night. Warm (max 25°C on Fri afternoon, min 10°C on Sat morning). Wind will be generally light. | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 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) | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | NE 5 | NNE 5 | NE 5 | NE 5 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 28 | 27 | 26 | 25 | 26 | 27 | 29 | 28 | 19 | 18 | 18 | 19 | 76 | 94 | 36 | 49 | 25 | 23 | 23 | 23 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-off | cross | glassy | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-off |
High Tide | 4:13PM3.04m | 4:55AM2.67m | 5:06PM2.92m | 5:53AM2.57m | 6:04PM2.84m | ||||||||||||||||
Low Tide | 9:59AM0.97m | 10:42PM0.79m | 10:50AM1.12m | 11:39PM0.91m | 11:47AM1.21m | ||||||||||||||||
 | |  |  |  |  |  |  | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | 6:50 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | 7 | 11 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 22 | 24 | 25 | 20 | 17 | 14 | 11 | 10 | 12 | 13 | 13 | 13 | 13 |
Feels °C | 21 | 22 | 22 | 23 | 21 | 21 | 21 | 20 | 23 | 24 | 23 | 16 | 14 | 9 | 6 | 6 | 8 | 9 | 9 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | SSE 4 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | NE 6 | ENE 5 | ENE 5 | ESE 8 | ESE 8 |
| kJ | 29 | 28 | 27 | 26 | 25 | 26 | 15 | 29 | 28 | 19 | 18 | 18 | 19 | 24 | 25 | 24 | 31 | 19 | 15 | 23 | 23 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | E 7 | SSE 4 | SSE 4 | SSE 4 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 8 | ESE 8 | ESE 8 | NE 6 | ENE 5 |
| kJ | 16 | 17 | 15 | 15 | 15 | 15 | 27 | 7 | 4 | 4 | 14 | 14 | 13 | 13 | 13 | 13 | 26 | 25 | 23 | 8 | 2 |
Swell 3 Height (m) Direction Period (s) | S 3 | SE 12 | SE 13 | SE 13 | SE 13 | SE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SSE 4 | — | SE 8 | SE 11 | SE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 |
| kJ | 1 | 6 | 6 | 7 | 7 | 6 | 15 | 14 | 14 | 14 | 2 | — | 3 | 5 | 6 | 13 | 13 | 13 | 12 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | SSE 3 | SSE 4 | SSE 4 | SSE 4 | SW 3 | — | — | — | — | NNW 2 | NNE 4 | NE 5 | NNE 5 | NE 5 | NE 5 | — | — | SSE 2 | SSE 3 |
| kJ | — | — | 3 | 13 | 25 | 21 | 3 | — | — | — | — | 1 | 8 | 76 | 94 | 36 | 49 | — | — | 1 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 123 | 855 | 855 | 14 | 0 | 0 | 0 | 0 | 38 | 247 | 247 | 493 | 493 | 501 | 620 | 5 | 98 | 98 | 1296 | 1290 | 14 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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