Surf Forecasts:
How big are the waves at Costellos today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 2ft (0.6m), 4s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 5s period with SSE swell.
- Evening surf: Evening surf (21 Jul, local time) - 5.5ft (1.7m), 6s period with SSE swell.
The current surf forecast for Costellos at 7PM is: 1.6m 6s primary swell from a South-southeast direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 01:00pm July 21). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 2ft (0.6m) | 4s |
| Afternoon (21 Jul) | 4.5ft (1.3m) | 5s |
| Evening (21 Jul) | 5.5ft (1.7m) | 6s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Tue night. Warm (max 27°C on Wed afternoon, min 16°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||
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) | SSE 4 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 9 | SSE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 17 | 68 | 95 | 160 | 262 | 152 | 164 | 227 | 192 | 220 | 340 | 215 | 228 | 207 | 145 | 112 | 102 | 80 | 78 | 71 | 82 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | glassy | cross-on | cross | cross-off |
High Tide | 5:40PM3.14m | 6:12AM2.81m | 6:32PM3.05m | 7:10AM2.69m | 7:25PM3.00m | ||||||||||||||||
Low Tide | 11:21AM0.76m | 00:03AM0.74m | 12:13PM0.92m | 1:00AM0.81m | 1:07PM1.04m | ||||||||||||||||
 | |  | |  |  | |  | |  | | |  |  | | | | | | | | |
 | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:14 | — |
mm | — | — | 1 | 3 | 6 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 21 | 19 | 20 | 21 | 20 | 21 | 24 | 26 | 27 | 24 | 20 | 17 | 16 | 17 | 21 | 23 | 21 | 19 | 19 |
Feels °C | 21 | 19 | 19 | 17 | 19 | 21 | 21 | 21 | 23 | 25 | 25 | 21 | 17 | 15 | 14 | 13 | 17 | 21 | 17 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 12 | SE 11 | — | SE 11 | SE 11 | E 11 | SSE 7 | SSE 7 | — | SSE 7 | SSE 7 | SSE 7 | SSE 9 | SSE 9 | SE 9 | SE 8 | SE 8 | — | SE 8 | SE 8 |
| kJ | 3 | 5 | 5 | — | 5 | 5 | 2 | 163 | 125 | — | 215 | 215 | 228 | 207 | 145 | 112 | 102 | 80 | — | 71 | 82 |
Swell 2 Height (m) Direction Period (s) | SE 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 10 | NNW 3 | — | — | — |
| kJ | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 56 | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 8 | SSE 7 | — | WNW 3 | WNW 2 | — | WNW 2 | NW 3 | — | SE 8 | SSE 3 | SSW 3 |
| kJ | 17 | 68 | 95 | 160 | 262 | 152 | 164 | 227 | 192 | 220 | 340 | — | 3 | 1 | — | 1 | 1 | — | 78 | 4 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1290 | 1290 | 1290 | 420 | 530 | 609 | 0 | 804 | 387 | 92 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 198 | 14 | 0 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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