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 9AM is: 0.3m 10s primary swell from a Southeast direction and 0.3m 8s secondary swell from a East-southeast direction, 0.3m 4s secondary swell from a Southeast direction, 0.6m 3s secondary swell from a North-northeast direction (forecast issued at 01:00am September 21). The wind direction is predicted to be cross-shore.
| 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 10°C on Wed night). Winds increasing (light winds from the E on Mon night, fresh winds from the ENE by Wed morning). | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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) | SE 8 | ESE 8 | SE 10 | SE 10 | SE 9 | ESE 8 | SE 9 | SE 9 | ENE 4 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ESE 7 | E 7 | E 7 | ESE 6 | E 7 | E 7 | E 7 | E 8 | ESE 8 | ESE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 18 | 27 | 16 | 16 | 13 | 11 | 22 | 21 | 35 | 67 | 95 | 121 | 123 | 80 | 64 | 111 | 131 | 96 | 219 | 285 | 371 | 484 | 588 | 589 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | on | 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 | on | cross-on | cross-on |
High Tide | 7:52AM2.58m | 8:01PM2.86m | 8:43AM2.68m | 8:52PM2.95m | 9:27AM2.83m | 9:39PM3.05m | ||||||||||||||||||
Low Tide | 1:37AM0.96m | 1:47PM1.18m | 2:29AM0.90m | 2:40PM1.07m | 3:15AM0.80m | 3:28PM0.92m | ||||||||||||||||||
 | |  |  | | |  | | | |  | | | |  | | |  | | | | | | | |
 | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 11 | 14 | 16 | 16 | 16 | 14 | 13 | 12 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 12 | 11 | 12 | 12 | 12 | 12 | 13 |
Feels °C | 11 | 9 | 8 | 10 | 13 | 14 | 15 | 9 | 9 | 7 | 6 | 5 | 7 | 8 | 9 | 9 | 8 | 7 | 6 | 5 | 6 | 7 | 7 | 10 |
Swell 1 Height (m) Direction Period (s) | SE 4 | SE 4 | ESE 8 | ESE 8 | ESE 8 | E 4 | E 5 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | E 14 | E 13 | ESE 6 | E 13 | E 13 | E 13 | — | — | ESE 9 |
| kJ | 9 | 6 | 13 | 13 | 12 | 10 | 11 | 21 | 20 | 24 | 39 | 42 | 57 | 56 | 64 | 4 | 3 | 96 | 3 | 3 | 3 | — | — | 589 |
Swell 2 Height (m) Direction Period (s) | S 4 | ESE 8 | SE 4 | SE 10 | SE 9 | ESE 8 | SE 9 | E 8 | E 16 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | — | E 13 | — | E 13 | — | — | — | — |
| kJ | 6 | 27 | 2 | 16 | 13 | 11 | 22 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | — | 3 | — | 3 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 8 | ESE 10 | SE 10 | SSE 4 | ESE 11 | SSE 9 | ESE 8 | ESE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 18 | 11 | 16 | 2 | 11 | 8 | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNE 3 | NNE 3 | NE 4 | ENE 4 | — | — | ENE 4 | ENE 4 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 7 | NE 4 | E 7 | E 7 | E 7 | E 8 | ESE 8 | — |
| kJ | — | 3 | 8 | 14 | 11 | — | — | 13 | 35 | 67 | 95 | 121 | 123 | 80 | 54 | 111 | 131 | 34 | 219 | 285 | 371 | 484 | 588 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 493 | 493 | 493 | 493 | 501 | 501 | 618 | 493 | 186 | 618 | 493 | 625 | 525 | 1052 | 957 | 2024 | 503 | 1912 | 619 | 911 | 2758 | 618 | 118 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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