Surf Forecasts:
How big are the waves at Costellos today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
- Evening surf: Evening surf (11 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
The current surf forecast for Costellos at 1PM is: 0.3m 10s primary swell from a Southeast direction (forecast issued at 07:00am September 11). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 1ft (0.3m) | 10s |
| Afternoon (11 Sep) | 1ft (0.3m) | 10s |
| Evening (11 Sep) | 1ft (0.3m) | 10s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun morning. Warm (max 23°C on Fri afternoon, min 14°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||||
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) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 11 | SE 11 | SE 10 | SE 9 | ESE 10 | ESE 10 | ESE 10 | SSE 4 | S 5 | SSE 5 | SSE 5 | SE 10 | SE 10 | SSE 5 | SSE 5 | SSE 5 | SE 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 15 | 24 | 15 | 15 | 15 | 17 | 11 | 18 | 14 | 14 | 9 | 9 | 9 | 21 | 43 | 28 | 28 | 15 | 25 | 35 | 49 | 41 | 39 |
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 | cross-on | glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-on | cross | cross-on | on | glassy | glassy |
High Tide | 11:49AM3.55m | 00:11AM3.59m | 12:33PM3.59m | 00:57AM3.50m | 1:16PM3.56m | ||||||||||||||||||
Low Tide | 5:38AM0.17m | 5:59PM0.21m | 6:22AM0.21m | 6:46PM0.19m | 7:05AM0.31m | 7:32PM0.24m | |||||||||||||||||
 |  | | | | | | | | | | | |  | | | |  |  | |  | |  | |
 | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 5 | 6 | — | — | — |
Temp °C | 17 | 16 | 19 | 22 | 23 | 20 | 17 | 15 | 14 | 14 | 17 | 18 | 18 | 19 | 19 | 18 | 18 | 17 | 18 | 18 | 18 | 18 | 18 |
Feels °C | 14 | 11 | 14 | 17 | 18 | 17 | 14 | 13 | 13 | 13 | 15 | 15 | 15 | 17 | 17 | 17 | 18 | 17 | 16 | 17 | 19 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 11 | SE 11 | SE 10 | SE 9 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SSE 4 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 5 |
| kJ | 4 | 24 | 15 | 15 | 15 | 17 | 11 | 18 | 14 | 14 | 9 | 9 | 9 | 15 | 15 | 15 | 18 | 15 | 24 | 24 | 23 | 22 | 39 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SSE 6 | — | NE 5 | SSE 6 | SSE 7 | — | — | ENE 3 | — | — | — | — | — | — | SE 10 | — | — | — | — | SE 9 | SE 9 |
| kJ | 15 | 15 | 4 | — | 1 | 4 | 4 | — | — | 1 | — | — | — | — | — | — | 15 | — | — | — | — | 30 | 22 |
Swell 3 Height (m) Direction Period (s) | S 9 | — | — | — | NE 5 | NE 4 | E 11 | E 11 | SE 6 | SE 6 | SE 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | — | — | — | 1 | 1 | 2 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | WNW 3 | NW 3 | WNW 3 | WNW 2 | WNW 2 | NNW 2 | — | — | — | — | SSE 6 | SSE 3 | SSE 4 | S 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | — |
| kJ | 1 | 3 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | 4 | 3 | 21 | 43 | 28 | 28 | 14 | 25 | 35 | 49 | 41 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 186 | 276 | 192 | 247 | 493 | 247 | 247 | 910 | 910 | 1296 | 1290 | 1296 | 1296 | 916 | 804 | 588 | 0 | 350 | 203 | 186 | 182 | 0 | 0 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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