Surf Forecasts:
How big are the waves at Costellos today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 1.5ft (0.4m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 1ft (0.3m), 11s period with ESE swell.
- Evening surf: Evening surf (20 Sep, local time) - 3ft (0.9m), 4s period with SSE swell.
The current surf forecast for Costellos at 4AM is: 0.4m 8s primary swell from a East-southeast direction and 0.2m 11s secondary swell from a East-southeast direction, 0.2m 2s secondary swell from a South-southeast direction (forecast issued at 01:00am September 20). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 1.5ft (0.4m) | 8s |
| Afternoon (20 Sep) | 1ft (0.3m) | 11s |
| Evening (20 Sep) | 3ft (0.9m) | 4s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Sun night. Very mild (max 16°C on Mon afternoon, min 11°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 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) | ESE 8 | ESE 8 | SE 8 | ESE 11 | ESE 11 | SSE 4 | SSE 4 | SSE 5 | SE 8 | SE 8 | NNE 4 | NE 4 | NE 5 | ENE 5 | E 5 | SE 9 | SE 9 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 23 | 23 | 16 | 23 | 22 | 18 | 26 | 28 | 18 | 18 | 20 | 34 | 32 | 21 | 19 | 21 | 27 | 66 | 102 | 135 | 115 | 97 | 76 | 77 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-off | cross-off | cross-on | cross-on | cross-on | cross-off | cross | cross | cross | cross-on | on | on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on |
High Tide | 6:54AM2.54m | 7:04PM2.82m | 7:52AM2.58m | 8:01PM2.86m | 8:43AM2.68m | 8:52PM2.95m | ||||||||||||||||||
Low Tide | 00:39AM0.97m | 12:47PM1.23m | 1:37AM0.96m | 1:47PM1.18m | 2:29AM0.90m | 2:40PM1.07m | ||||||||||||||||||
 |  |  | |  | |  |  | | |  | | | | |  | | | | | |  | | | |
 | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:40 | — | — |
mm | — | — | — | — | 1 | 4 | 6 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 13 | 14 | 13 | 14 | 15 | 14 | 11 | 12 | 11 | 15 | 16 | 16 | 16 | 14 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 |
Feels °C | 11 | 10 | 11 | 11 | 10 | 11 | 14 | 13 | 7 | 9 | 7 | 11 | 12 | 13 | 12 | 9 | 7 | 7 | 6 | 5 | 5 | 6 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | SE 8 | SE 8 | ESE 11 | ESE 11 | ESE 11 | SSE 5 | SE 5 | SE 5 | SE 5 | ESE 8 | ESE 8 | ENE 5 | E 5 | E 5 | SE 9 | SE 8 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 7 | ESE 7 |
| kJ | 23 | 23 | 16 | 16 | 22 | 11 | 11 | 24 | 11 | 13 | 7 | 13 | 12 | 21 | 19 | 13 | 27 | 24 | 34 | 39 | 40 | 36 | 36 | 32 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 7 | ESE 9 | ESE 9 | ESE 8 | S 5 | SE 8 | ESE 8 | SE 10 | SE 9 | ESE 8 | SE 9 | SE 9 | ESE 7 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 |
| kJ | 12 | 11 | 11 | 23 | 12 | 8 | 8 | 28 | 10 | 18 | 13 | 16 | 13 | 11 | 14 | 21 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | NE 4 | — | — | SE 11 | SE 8 | SE 8 | ESE 7 | SE 6 | SE 8 | ESE 10 | SE 10 | SE 5 | SE 5 | SSE 9 | ESE 8 | ESE 7 | E 16 | — | — | — | — | — | — | — |
| kJ | 1 | — | — | 5 | 3 | 3 | 5 | 2 | 18 | 11 | 16 | 3 | 1 | 8 | 6 | 5 | 5 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 2 | SSE 2 | SSE 2 | S 3 | SSE 4 | SSE 4 | SSE 4 | — | — | NNE 3 | NNE 4 | NE 4 | NE 5 | — | — | — | ENE 4 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 |
| kJ | 1 | 1 | 1 | 5 | 7 | 18 | 26 | — | — | 7 | 20 | 34 | 32 | — | — | — | 23 | 66 | 102 | 135 | 115 | 97 | 76 | 77 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 1051 | 1051 | 916 | 14 | 916 | 916 | 916 | 14 | 199 | 494 | 493 | 493 | 493 | 493 | 0 | 525 | 493 | 186 | 493 | 493 | 544 | 625 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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