Surf Forecasts:
How big are the waves at Costellos today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 5ft (1.5m), 7s period with E swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 6ft (1.8m), 8s period with E swell.
- Evening surf: Evening surf (23 Sep, local time) - 6ft (1.9m), 8s period with ESE swell.
The current surf forecast for Costellos at 3AM is: 1.0m 7s primary swell from a East direction and 0.1m 13s secondary swell from a East direction (forecast issued at 07:00pm September 22). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 5ft (1.5m) | 7s |
| Afternoon (23 Sep) | 6ft (1.8m) | 8s |
| Evening (23 Sep) | 6ft (1.9m) | 8s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Very mild (max 15°C on Fri afternoon, min 9°C on Thu morning). Winds increasing (light winds from the ENE on Tue night, fresh winds from the NNE by Fri afternoon). | |||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||
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 7 | E 7 | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 134 | 113 | 99 | 97 | 138 | 205 | 225 | 311 | 416 | 449 | 434 | 445 | 554 | 641 | 772 | 904 | 1010 | 1605 | 1340 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | 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 | cross-on | cross-on | cross-on |
High Tide | 8:52PM2.95m | 9:27AM2.83m | 9:39PM3.05m | 10:07AM2.99m | 10:22PM3.16m | ||||||||||||||
Low Tide | 2:40PM1.07m | 3:15AM0.80m | 3:28PM0.92m | 3:57AM0.70m | 4:12PM0.75m | ||||||||||||||
 |  | | | | | | | | | | | | | | | |  | | |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | 6:40 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 14 | 13 | 12 | 11 | 12 | 12 | 12 | 13 | 13 | 12 | 10 | 9 | 11 | 12 | 12 | 13 | 13 |
Feels °C | 9 | 11 | 11 | 9 | 8 | 6 | 7 | 7 | 8 | 10 | 10 | 9 | 6 | 5 | 6 | 7 | 8 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 7 | ESE 7 | E 7 | E 13 | E 13 | E 13 | E 13 | — | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 |
| kJ | 4 | 113 | 99 | 97 | 3 | 3 | 3 | 3 | — | 449 | 434 | 445 | 554 | 641 | 772 | 904 | 1010 | 1113 | 1340 |
Swell 2 Height (m) Direction Period (s) | — | E 14 | E 14 | E 13 | — | — | — | — | — | — | — | — | — | — | — | — | SE 12 | SE 12 | — |
| kJ | — | 4 | 4 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 120 | 200 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 7 | — | — | — | E 7 | E 7 | E 7 | E 7 | ESE 8 | — | — | — | NE 4 | NE 4 | NE 4 | — | — | ESE 11 | — |
| kJ | 134 | — | — | — | 138 | 205 | 225 | 311 | 416 | — | — | — | 17 | 20 | 20 | — | — | 1605 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 39 | 1051 | 39 | 1114 | 503 | 506 | 2038 | 911 | 1200 | 620 | 167 | 38 | 618 | 618 | 855 | 916 | 506 | 506 | 118 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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