Surf Forecasts:
How big are the waves at Costellos today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 0.5ft (0.2m), 14s period with ESE swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3.5ft (1.0m), 4s period with S swell.
- Evening surf: Evening surf (18 Jul, local time) - 4.5ft (1.4m), 6s period with S swell.
The current surf forecast for Costellos at 10AM is: 0.2m 14s primary swell from a East-southeast direction and 0.1m 8s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a South direction (forecast issued at 07:00am July 18). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 0.5ft (0.2m) | 14s |
| Afternoon (18 Jul) | 3.5ft (1.0m) | 4s |
| Evening (18 Jul) | 4.5ft (1.4m) | 6s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sat night. Warm (max 28°C on Sat afternoon, min 17°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 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) | SE 14 | ESE 14 | ESE 13 | SSE 4 | S 5 | S 6 | SSE 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 3 | SSE 4 | S 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 8 | 18 | 18 | 25 | 85 | 146 | 126 | 104 | 80 | 59 | 23 | 15 | 10 | 14 | 15 | 15 | 15 | 15 | 16 | 18 | 8 | 22 | 57 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross | cross | cross-off |
High Tide | 2:33AM3.64m | 3:07PM3.46m | 3:26AM3.43m | 3:57PM3.37m | 4:20AM3.20m | 4:48PM3.25m | |||||||||||||||||
Low Tide | 8:52AM0.15m | 9:15PM0.40m | 9:41AM0.34m | 10:10PM0.51m | 10:31AM0.55m | ||||||||||||||||||
 |  | |  |  | |  |  |  |  | | | | |  | | | | | | | |  | |
 | 5:18 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:15 | — |
mm | — | — | — | — | 1 | 2 | 3 | 10 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 26 | 28 | 20 | 21 | 21 | 21 | 21 | 18 | 22 | 24 | 26 | 23 | 20 | 18 | 17 | 19 | 25 | 26 | 26 | 23 | 21 |
Feels °C | 19 | 18 | 24 | 25 | 18 | 19 | 20 | 20 | 20 | 14 | 17 | 19 | 22 | 20 | 17 | 15 | 13 | 16 | 23 | 24 | 22 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 8 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 12 | SE 12 | SE 12 | SE 8 |
| kJ | 3 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 80 | 59 | 23 | 15 | 10 | 14 | 15 | 15 | 15 | 15 | 16 | 6 | 6 | 6 | 3 |
Swell 2 Height (m) Direction Period (s) | SE 14 | SE 8 | SE 8 | E 8 | SE 13 | SE 13 | SE 13 | SE 13 | ESE 13 | ESE 13 | ESE 13 | SE 13 | SE 12 | E 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | E 12 |
| kJ | 8 | 3 | 3 | 1 | 7 | 7 | 7 | 7 | 17 | 17 | 16 | 7 | 6 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 3 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 8 | E 8 | E 8 | — | — | — | — | SE 13 | SE 13 | SE 12 | SE 12 | — | SE 12 | E 12 | SE 6 | E 12 | SE 12 | — | SE 12 | — | — | SE 12 |
| kJ | 1 | 1 | 1 | 1 | — | — | — | — | 7 | 6 | 6 | 6 | — | 6 | 3 | 1 | 3 | 6 | — | 6 | — | — | 6 |
Wind waves Height (m) Direction Period (s) | — | — | S 3 | SSE 4 | S 5 | S 6 | SSE 6 | S 6 | W 4 | WNW 3 | NW 3 | NW 3 | NW 3 | NW 3 | NW 2 | WNW 2 | WNW 2 | WNW 2 | — | SE 8 | SSE 3 | SSE 4 | S 5 |
| kJ | — | — | 2 | 25 | 85 | 146 | 126 | 104 | 3 | 5 | 2 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | — | 18 | 8 | 22 | 57 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 493 | 493 | 493 | 916 | 916 | 2803 | 537 | 395 | 401 | 525 | 0 | 5 | 5 | 163 | 163 | 162 | 163 | 131 | 186 | 186 | 182 | 198 | 198 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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