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) - 6ft (1.9m), 9s period with E swell.
The current surf forecast for Costellos at 2PM is: 1.9m 10s primary swell from a East-southeast direction and 1.0m 5s secondary swell from a Northeast direction (forecast issued at 07:00am October 20). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 5ft (1.6m) | 11s |
| Afternoon (20 Oct) | 6ft (1.9m) | 10s |
| Evening (20 Oct) | 6ft (1.9m) | 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 5°C on Wed morning). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||||
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) | ESE 10 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 347 | 584 | 637 | 684 | 579 | 632 | 601 | 758 | 749 | 653 | 559 | 567 | 621 | 661 | 675 | 612 | 601 | 541 | 580 | 455 | 404 | 264 | 210 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross |
High Tide | 7:08AM2.63m | 7:18PM2.78m | 7:58AM2.74m | 8:12PM2.85m | 8:43AM2.90m | 9:01PM2.95m | |||||||||||||||||
Low Tide | 1:08PM1.18m | 1:41AM0.94m | 2:03PM1.06m | 2:28AM0.86m | 2:52PM0.88m | ||||||||||||||||||
 |  | | | | | | | |  | | | | |  | | | | | | | | | |
 | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 10 | 13 | 14 | 13 | 13 | 11 | 8 | 6 | 5 | 7 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 10 | 14 | 15 | 12 | 9 |
Feels °C | 5 | 6 | 7 | 9 | 9 | 9 | 6 | 2 | 0 | -1 | 1 | 2 | 3 | 4 | 4 | 3 | 1 | 1 | 5 | 9 | 12 | 5 | 1 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 9 | — | — | — | — | — | E 8 | E 9 | E 9 | E 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 8 |
| kJ | 347 | 584 | 637 | 684 | 579 | 544 | — | — | — | — | — | 567 | 621 | 661 | 675 | 612 | 601 | 541 | 580 | 455 | 404 | 264 | 210 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 9 | SSE 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | NNE 2 | NNE 3 | NE 4 | NE 5 | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | — | — | — | — | — | NNE 4 | N 3 | NNE 5 | — | — | NNE 5 | NNE 5 |
| kJ | 1 | 4 | 24 | 43 | — | 632 | 601 | 758 | 749 | 653 | 559 | — | — | — | — | — | 32 | 8 | 61 | — | — | 68 | 94 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 5 | 5 | 493 | 493 | 333 | 203 | 506 | 506 | 506 | 506 | 1052 | 1052 | 1052 | 565 | 38 | 5 | 38 | 38 | 506 | 503 | 5 | 186 | 333 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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