Surf Forecasts:
How big are the waves at Costellos today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 2ft (0.6m), 4s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 4.5ft (1.3m), 5s period with SSE swell.
- Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.4m), 6s period with SSE swell.
The current surf forecast for Costellos at 5AM is: 0.6m 4s primary swell from a South direction and 0.1m 8s secondary swell from a Southeast direction, 0.1m 7s secondary swell from a South direction (forecast issued at 01:00am July 21). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 2ft (0.6m) | 4s |
| Afternoon (21 Jul) | 4.5ft (1.3m) | 5s |
| Evening (21 Jul) | 4.5ft (1.4m) | 6s |
Table - waves today at Costellos. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Tue night. Warm (max 27°C on Wed afternoon, min 15°C on Wed night). Winds decreasing (fresh winds from the SSE on Tue afternoon, light winds from the SW by Thu night). | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 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) | S 5 | S 4 | S 4 | SSE 4 | SSE 5 | SSE 5 | SSE 6 | SE 6 | SE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 10 | SSE 10 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 27 | 13 | 9 | 15 | 68 | 125 | 119 | 147 | 201 | 198 | 189 | 141 | 219 | 296 | 159 | 163 | 80 | 200 | 128 | 110 | 100 | 78 | 71 | 67 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-on | cross | cross-off |
High Tide | 5:15AM2.98m | 5:40PM3.14m | 6:12AM2.81m | 6:32PM3.05m | 7:10AM2.69m | 7:25PM3.00m | ||||||||||||||||||
Low Tide | 11:06PM0.64m | 11:21AM0.76m | 00:03AM0.74m | 12:13PM0.92m | 1:00AM0.81m | 1:07PM1.04m | ||||||||||||||||||
 |  |  | | | |  |  | | |  | |  | |  | | | | | | | | | | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:14 | — |
mm | — | — | — | — | — | — | 5 | 4 | 3 | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 18 | 22 | 23 | 21 | 19 | 21 | 21 | 21 | 21 | 25 | 26 | 27 | 24 | 20 | 16 | 15 | 17 | 21 | 23 | 22 | 20 | 19 |
Feels °C | 16 | 16 | 17 | 20 | 18 | 18 | 17 | 21 | 21 | 21 | 22 | 25 | 26 | 26 | 21 | 18 | 14 | 13 | 13 | 17 | 20 | 18 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 12 | — | SE 11 | SE 11 | SE 11 | SE 7 | SSE 6 | SSE 6 | — | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 10 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 3 | 3 | 3 | 3 | 5 | — | 5 | 5 | 5 | 178 | 137 | 70 | — | 219 | 159 | 163 | 76 | 200 | 128 | 110 | 100 | 78 | 71 | 67 |
Swell 2 Height (m) Direction Period (s) | E 12 | S 7 | S 7 | SE 11 | — | — | — | — | — | E 11 | SE 11 | ESE 7 | — | — | — | SSE 9 | SSE 10 | — | — | NW 3 | — | — | — | — |
| kJ | 3 | 1 | 1 | 5 | — | — | — | — | — | 2 | 5 | 70 | — | — | — | 59 | 80 | — | — | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 12 | E 12 | E 12 | E 12 | — | — | — | — | — | — | — | SSE 8 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 3 | 3 | 3 | — | — | — | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 5 | S 4 | S 4 | SSE 4 | SSE 5 | SSE 5 | SSE 6 | SE 6 | SE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | — | WNW 2 | — | — | NW 2 | WNW 2 | — | — | — | — |
| kJ | 27 | 13 | 9 | 15 | 68 | 125 | 119 | 147 | 201 | 198 | 189 | 141 | 219 | 296 | — | 1 | — | — | 1 | 1 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 493 | 618 | 618 | 1290 | 1290 | 1290 | 1290 | 642 | 198 | 198 | 0 | 0 | 92 | 46 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 198 | 14 | 0 |
Best forecast wave conditions in New Hampshire | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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