Surf Forecasts:
How big are the waves at Costellos today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 5ft (1.6m), 11s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 6ft (1.9m), 10s period with ESE swell.
- Evening surf: Evening surf (20 Oct, local time) - 5.5ft (1.7m), 9s period with ESE swell.
The current surf forecast for Costellos at 1AM is: 0.9m 10s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a Southeast direction (forecast issued at 07:00pm October 19). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 5ft (1.6m) | 11s |
| Afternoon (20 Oct) | 6ft (1.9m) | 10s |
| Evening (20 Oct) | 5.5ft (1.7m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 13°C on Tue afternoon, min 4°C on Wed morning). Wind will be generally light. | |||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||||
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 5 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 9 | 23 | 94 | 200 | 394 | 584 | 637 | 684 | 579 | 497 | 497 | 718 | 691 | 613 | 482 | 409 | 368 | 377 | 339 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-off | cross | cross | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 6:21PM2.77m | 7:08AM2.63m | 7:18PM2.78m | 7:58AM2.74m | 8:12PM2.85m | ||||||||||||||
Low Tide | 00:50AM0.97m | 1:08PM1.18m | 1:41AM0.94m | 2:03PM1.06m | |||||||||||||||
 |  | | | | | | | | | | | | |  | | | |  | |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 8 | 9 | 9 | 9 | 12 | 13 | 13 | 12 | 11 | 8 | 5 | 4 | 6 | 6 | 7 | 7 | 7 |
Feels °C | 6 | 7 | 5 | 6 | 5 | 5 | 7 | 9 | 10 | 9 | 6 | 2 | -1 | -1 | 1 | 1 | 3 | 4 | 4 |
Swell 1 Height (m) Direction Period (s) | SE 5 | SE 5 | SE 10 | SE 10 | ESE 10 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | E 9 | — | — | — | E 9 | E 8 | E 8 | E 9 | E 9 |
| kJ | 6 | 6 | 94 | 200 | 394 | 584 | 637 | 684 | 579 | 497 | 497 | — | — | — | 482 | 409 | 368 | 377 | 339 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | SE 10 | SE 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 9 | 23 | 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SE 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNE 3 | NNE 3 | NE 4 | NE 5 | — | — | ENE 5 | E 9 | E 9 | E 9 | — | — | — | — | — |
| kJ | — | — | — | — | 5 | 6 | 34 | 47 | — | — | 59 | 718 | 691 | 613 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 186 | 39 | 0 | 5 | 5 | 5 | 506 | 39 | 39 | 39 | 186 | 203 | 493 | 506 | 619 | 333 | 39 | 39 | 5 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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