Surf Forecasts:
How big are the waves at Costellos today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 1ft (0.3m), 9s period with SE swell.
- Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.4m), 9s period with SE swell.
The current surf forecast for Costellos at 6PM is: 0.3m 8s primary swell from a East-southeast direction and 0.5m 4s secondary swell from a East direction, 0.3m 4s secondary swell from a North-northeast direction (forecast issued at 01:00pm September 21). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 1ft (0.3m) | 10s |
| Afternoon (21 Sep) | 1ft (0.3m) | 9s |
| Evening (21 Sep) | 1.5ft (0.4m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Mon afternoon, min 9°C on Thu morning). Winds increasing (calm on Mon night, fresh winds from the ENE by Wed morning). | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 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) | SE 10 | SE 9 | ESE 8 | SE 9 | SE 9 | SE 9 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | ESE 8 | ESE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 16 | 13 | 11 | 22 | 21 | 29 | 98 | 159 | 188 | 170 | 148 | 97 | 69 | 149 | 225 | 255 | 338 | 431 | 509 | 521 | 589 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on |
High Tide | 8:01PM2.86m | 8:43AM2.68m | 8:52PM2.95m | 9:27AM2.83m | 9:39PM3.05m | ||||||||||||||||
Low Tide | 1:47PM1.18m | 2:29AM0.90m | 2:40PM1.07m | 3:15AM0.80m | 3:28PM0.92m | ||||||||||||||||
 | | |  | |  | |  | | | |  | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | 6:43 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 16 | 16 | 14 | 13 | 12 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 11 | 12 | 12 | 12 | 13 | 13 |
Feels °C | 11 | 13 | 14 | 15 | 9 | 8 | 7 | 5 | 6 | 7 | 9 | 9 | 9 | 9 | 7 | 6 | 6 | 6 | 7 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | E 4 | E 4 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | E 13 | E 13 | E 13 | E 13 | — | — | — | ESE 9 |
| kJ | 13 | 12 | 9 | 6 | 21 | 27 | 24 | 22 | 31 | 45 | 46 | 26 | 25 | 4 | 3 | 3 | 3 | — | — | — | 589 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 9 | ESE 8 | SE 9 | E 5 | E 16 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | — | — | — | — | — | — | — | — |
| kJ | 16 | 13 | 11 | 22 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SSE 4 | SE 10 | SSE 9 | ESE 7 | SE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 4 | 8 | 5 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | ENE 4 | NNE 4 | — | NE 3 | ENE 4 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | ESE 8 | — |
| kJ | 8 | 10 | 3 | — | 2 | 29 | 98 | 159 | 188 | 170 | 148 | 97 | 69 | 149 | 225 | 255 | 338 | 431 | 509 | 521 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 493 | 493 | 493 | 14 | 501 | 493 | 493 | 493 | 493 | 625 | 1052 | 1189 | 1052 | 203 | 493 | 506 | 619 | 911 | 911 | 167 | 118 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||
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