Surf Forecasts:
How big are the waves at Costellos today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 1.5ft (0.5m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 1.5ft (0.5m), 9s period with SE swell.
- Evening surf: Evening surf (31 Jul, local time) - 1.5ft (0.5m), 9s period with SE swell.
The current surf forecast for Costellos at 7PM is: 0.5m 9s primary swell from a Southeast direction and 0.4m 6s secondary swell from a East direction (forecast issued at 01:00pm July 31). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 1.5ft (0.5m) | 10s |
| Afternoon (31 Jul) | 1.5ft (0.5m) | 9s |
| Evening (31 Jul) | 1.5ft (0.5m) | 9s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Mon morning. Warm (max 27°C on Sun afternoon, min 19°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||
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) | SSE 10 | SSE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 9 | SSE 8 | SE 7 | SE 7 | SE 8 | SSE 5 | SSE 5 | S 5 | SE 7 | SSE 4 | SSE 5 | SSE 5 | SSE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 64 | 61 | 41 | 39 | 39 | 39 | 25 | 29 | 39 | 23 | 13 | 14 | 14 | 17 | 19 | 16 | 12 | 22 | 52 | 82 | 53 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-on | on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-off |
High Tide | 1:13PM3.08m | 1:22AM3.27m | 1:50PM3.12m | 2:02AM3.21m | 2:28PM3.16m | ||||||||||||||||
Low Tide | 7:12PM0.70m | 7:39AM0.50m | 7:53PM0.68m | 8:16AM0.55m | 8:36PM0.67m | ||||||||||||||||
 | |  | |  | | | | | |  | |  |  | | | | | | | | |
 | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 23 | 24 | 23 | 22 | 21 | 19 | 19 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | 21 | 25 | 27 | 27 | 25 | 22 |
Feels °C | 21 | 23 | 22 | 23 | 23 | 22 | 20 | 20 | 20 | 21 | 20 | 24 | 23 | 22 | 23 | 21 | 24 | 25 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | E 6 | SSE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 9 | SE 9 | SSE 8 | SE 7 | SE 7 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 9 | SE 9 | ESE 9 | ESE 9 |
| kJ | 26 | 61 | 41 | 39 | 39 | 39 | 25 | 29 | 39 | 23 | 13 | 14 | 14 | 9 | 8 | 13 | 12 | 12 | 12 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | E 6 | E 6 | E 6 | E 6 | S 4 | S 4 | SSE 4 | E 6 | ESE 10 | SE 8 | ESE 9 | ESE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | E 5 | — | — | — |
| kJ | 64 | 19 | 18 | 11 | 6 | 4 | 3 | 3 | 1 | 9 | 11 | 8 | 8 | 8 | 3 | 12 | 12 | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 6 | SSE 8 | E 6 | — | — | E 5 | — | — | E 5 | E 5 | E 5 | — | — | — | — | — |
| kJ | — | — | — | — | — | 6 | 7 | 2 | — | — | 1 | — | — | 1 | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 3 | S 3 | SSW 4 | WSW 3 | — | — | — | E 3 | SSE 2 | SSE 4 | SSE 5 | SSE 5 | S 5 | S 4 | SSE 4 | SSE 5 | SSE 5 | SSE 5 |
| kJ | — | — | — | 5 | 5 | 7 | 1 | — | — | — | 1 | 1 | 4 | 17 | 19 | 16 | 12 | 22 | 52 | 82 | 53 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 38 | 129 | 123 | 0 | 5 | 5 | 38 | 126 | 227 | 198 | 618 | 493 | 493 | 38 | 38 | 618 | 1742 | 1742 | 1742 | 1257 | 0 |
Best forecast wave conditions in New Hampshire | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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