Surf Forecasts:
How big are the waves at Costellos today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 7ft (2.1m), 9s period with E swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 6.5ft (2.0m), 9s period with E swell.
- Evening surf: Evening surf (21 Oct, local time) - 7ft (2.2m), 9s period with E swell.
The current surf forecast for Costellos at 7PM is: 2.1m 9s primary swell from a East direction (forecast issued at 01:00pm October 21). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 7ft (2.1m) | 9s |
| Afternoon (21 Oct) | 6.5ft (2.0m) | 9s |
| Evening (21 Oct) | 7ft (2.2m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Thu afternoon, min 6°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||
Wed 21 | Thursday 22 | Friday 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) | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | E 9 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 568 | 582 | 676 | 699 | 800 | 818 | 805 | 786 | 770 | 637 | 772 | 547 | 390 | 670 | 635 | 638 | 512 | 442 | 396 | 336 | 295 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross-on | cross-on | cross-on | cross |
High Tide | 8:12PM2.85m | 8:43AM2.90m | 9:01PM2.95m | 9:25AM3.09m | 9:47PM3.07m | ||||||||||||||||
Low Tide | 2:03PM1.06m | 2:28AM0.86m | 2:52PM0.88m | 3:11AM0.76m | 3:38PM0.68m | ||||||||||||||||
 | |  |  | | | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | 5:51 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 9 | 9 | 9 | 9 | 7 | 8 | 8 | 11 | 13 | 15 | 12 | 11 | 8 | 7 | 6 | 8 | 11 | 12 | 10 | 8 |
Feels °C | 2 | 3 | 4 | 4 | 4 | 2 | 2 | 2 | 4 | 7 | 10 | 5 | 5 | 1 | 2 | 1 | 2 | 5 | 7 | 5 | 4 |
Swell 1 Height (m) Direction Period (s) | E 8 | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | SSE 10 | SE 10 | SE 9 | — | E 9 | E 9 | — | — |
| kJ | 512 | — | 676 | 699 | 800 | 818 | 805 | 786 | 770 | 637 | 550 | 471 | 390 | 19 | 23 | 3 | — | 170 | 117 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SSE 10 | SSE 10 | SSE 10 | — | SE 14 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 20 | 20 | 19 | — | 7 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 9 | — | — | — | NE 5 | NNE 5 | NNE 5 | NNE 5 | NNW 4 | ENE 9 | ENE 8 | NNE 5 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 568 | 582 | — | — | — | 73 | 61 | 74 | 64 | 6 | 772 | 547 | 80 | 670 | 635 | 638 | 512 | 442 | 396 | 336 | 295 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1052 | 1052 | 567 | 565 | 563 | 916 | 916 | 474 | 506 | 198 | 44 | 186 | 186 | 186 | 333 | 5 | 44 | 186 | 98 | 98 | 5 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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