Surf Forecasts:
How big are the waves at Costellos today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 1ft (0.3m), 6s period with SE swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 1ft (0.3m), 6s period with SSE swell.
- Evening surf: Evening surf (20 Jul, local time) - 3.5ft (1.0m), 4s period with S swell.
The current surf forecast for Costellos at 7AM is: 0.2m 8s primary swell from a South-southeast direction and 0.3m 6s secondary swell from a Southeast direction (forecast issued at 01:00am July 20). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 1ft (0.3m) | 6s |
| Afternoon (20 Jul) | 1ft (0.3m) | 6s |
| Evening (20 Jul) | 3.5ft (1.0m) | 4s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Tue night. Warm (max 27°C on Wed afternoon, min 17°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
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 | 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 6 | SE 6 | SE 6 | SSE 8 | SSE 6 | SSE 3 | S 4 | S 5 | S 5 | S 4 | S 4 | SSE 4 | SSE 4 | SSE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 7 | SSE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 6 | 6 | 7 | 7 | 12 | 38 | 60 | 36 | 13 | 9 | 11 | 28 | 64 | 79 | 151 | 172 | 172 | 209 | 180 | 155 | 128 | 171 | 196 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 4:20AM3.20m | 4:48PM3.25m | 5:15AM2.98m | 5:40PM3.14m | 6:12AM2.81m | 6:32PM3.05m | ||||||||||||||||||
Low Tide | 10:31AM0.55m | 11:06PM0.64m | 11:21AM0.76m | 00:03AM0.74m | 12:13PM0.92m | |||||||||||||||||||
 | |  | |  | | | | | | |  | | |  |  |  | | | |  | | |  | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:14 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 9 | 5 | — | — | — | 1 | 2 | 1 | — |
Temp °C | 18 | 17 | 18 | 24 | 25 | 24 | 22 | 21 | 19 | 17 | 18 | 21 | 22 | 20 | 18 | 19 | 21 | 20 | 20 | 26 | 27 | 25 | 24 | 21 |
Feels °C | 15 | 14 | 15 | 22 | 23 | 19 | 19 | 18 | 17 | 16 | 18 | 19 | 19 | 17 | 17 | 18 | 22 | 20 | 20 | 26 | 27 | 26 | 25 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SSE 8 | SSE 8 | SE 12 | SE 12 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 6 | SE 6 | SE 7 | — | SSE 8 | SSE 7 | SSE 7 |
| kJ | 6 | 6 | 5 | 7 | 7 | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 172 | 167 | 127 | — | 28 | 116 | 196 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SE 6 | SE 12 | SE 12 | SE 12 | E 12 | E 12 | E 12 | S 7 | SE 11 | — | — | — | — | — | SE 11 | SE 11 | E 11 | — | — | SSE 9 | — |
| kJ | 6 | 6 | 6 | 1 | 6 | 6 | 6 | 3 | 3 | 3 | 1 | 5 | — | — | — | — | — | 5 | 5 | 2 | — | — | 68 | — |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | — | — | SE 12 | SE 12 | S 7 | E 12 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | 6 | 6 | 6 | — | — | 6 | 5 | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 2 | WNW 2 | WNW 2 | WNW 3 | SSE 6 | SSE 3 | S 4 | S 5 | S 5 | S 4 | S 4 | SSE 4 | SSE 4 | SSE 5 | SE 5 | SE 6 | SE 6 | — | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 7 | — |
| kJ | 1 | 1 | 1 | 1 | 6 | 12 | 38 | 60 | 36 | 13 | 9 | 11 | 28 | 64 | 79 | 151 | 172 | — | 209 | 180 | 155 | 128 | 171 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 182 | 163 | 182 | 182 | 910 | 525 | 525 | 493 | 38 | 525 | 1290 | 1290 | 1290 | 1290 | 301 | 198 | 0 | 172 | 92 | 0 | 198 | 0 | 0 | 0 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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