
Surf Forecasts:
How big are the waves at Costellos today (11 Jul):
- Morning surf: Morning surf (11 Jul, local time) - 1.5ft (0.4m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (11 Jul, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Evening surf: Evening surf (11 Jul, local time) - 1ft (0.3m), 10s period with SE swell.
The current surf forecast for Costellos at 6PM is: 0.4m 10s primary swell from a Southeast direction and 0.3m 8s secondary swell from a East direction (forecast issued at 01:00pm July 11). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Jul) | 1.5ft (0.4m) | 8s |
| Afternoon (11 Jul) | 1.5ft (0.4m) | 10s |
| Evening (11 Jul) | 1ft (0.3m) | 10s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Tue morning, min 19°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sat 11 | Sunday 12 | Monday 13 | Tue 14 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSE 5 | SSE 5 | S 6 | SE 9 | SE 9 | S 5 |
Wave Graph | ||||||||||||||||||||||||
18 | 24 | 25 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 24 | 14 | 23 | 29 | 72 | 87 | 86 | 14 | 13 | 15 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-off | cross-on | cross | cross | cross | on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | off |
High Tide | 8:43AM2.99m | 9:00PM3.55m | 9:44AM3.12m | 9:59PM3.70m | 10:42AM3.25m | 10:56PM3.82m | ||||||||||||||||||
Low Tide | 2:40PM0.67m | 3:32AM0.27m | 3:41PM0.55m | 4:30AM0.11m | 4:40PM0.43m | 5:26AM-0.02m | ||||||||||||||||||
— | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:16 | — | |
— | — | — | 8:22 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:21 | — | — | — | 8:20 | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 22 | 22 | 22 | 22 | 22 | 20 | 19 | 19 | 25 | 26 | 28 | 27 | 23 | 22 | 21 | 23 |
Feels °C | 22 | 20 | 20 | 20 | 20 | 20 | 18 | 18 | 20 | 19 | 19 | 20 | 19 | 18 | 17 | 17 | 23 | 23 | 26 | 26 | 21 | 20 | 20 | 22 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | SSE 3 | E 8 | E 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | S 5 |
18 | 10 | 10 | 10 | 2 | 13 | 12 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 24 | 14 | 23 | 23 | 14 | 14 | 14 | 14 | 13 | 15 | |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | E 9 | SSE 3 | SE 10 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 | E 8 | S 3 | E 7 | — | — | E 8 | E 8 | E 8 | E 8 | E 8 | SE 9 |
16 | 24 | 25 | 15 | 13 | 2 | 15 | 5 | 5 | 5 | 4 | 5 | 5 | 4 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 13 | |
Swell 3 Height (m) Direction Period (s) | SE 5 | — | — | SSE 7 | SE 10 | SE 10 | SSE 3 | SE 4 | SSE 7 | ENE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | E 7 |
1 | — | — | 5 | 16 | 16 | 1 | 1 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Wind waves Height (m) Direction Period (s) | NNE 3 | — | — | SSE 3 | — | — | — | NNE 2 | NE 3 | — | SSE 2 | SSE 2 | S 3 | S 3 | SSW 3 | SSW 3 | S 3 | SSE 4 | SSE 5 | SSE 5 | S 6 | S 5 | S 5 | WSW 4 |
1 | — | — | 1 | — | — | — | 1 | 1 | — | 1 | 1 | 2 | 1 | 2 | 1 | 2 | 29 | 72 | 87 | 86 | 42 | 29 | 3 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 186 | 501 | 493 | 493 | 501 | 501 | 501 | 503 | 618 | 618 | 619 | 620 | 620 | 916 | 395 | 1052 | 1051 | 1051 | 1187 | 0 | 38 | 1065 | 38 | 1065 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












