Surf Forecasts:
How big are the waves at Waimanalo today (16 Aug):
- Afternoon surf: Afternoon surf (16 Aug, local time) - 11ft (3.5m), 9s period with E swell.
- Evening surf: Evening surf (16 Aug, local time) - 7ft (2.2m), 8s period with ENE swell.
The current surf forecast for Waimanalo at 10PM is: 2.1m 8s primary swell from a East-northeast direction (forecast issued at 07:00pm August 16). An open ocean swell of 0.7m 7s is not directed at the surf break, a second open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | - | - |
| Afternoon (16 Aug) | 11ft (3.5m) | 9s |
| Evening (16 Aug) | 7ft (2.2m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun night. Warm (max 27°C on Sun night, min 24°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||
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 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 965 | 645 | 560 | 533 | 450 | 355 | 300 | 292 | 252 | 222 | 215 | 183 | 158 | 155 | 139 | 147 | 135 | 131 | 156 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on |
High Tide | 4:40PM0.52m | 6:27AM0.44m | 4:40PM0.47m | 8:02AM0.45m | 4:17PM0.43m | ||||||||||||||
Low Tide | 11:25PM0.08m | 11:25AM0.27m | 11:52PM0.07m | 12:27PM0.33m | |||||||||||||||
 |  | | |  |  | | | | | | |  | |  | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | 3 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 27 | 29 | 27 | 26 | 26 | 25 | 24 | 25 | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 23 | 24 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | ENE 8 | SSE 7 | SSE 7 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 144 | 645 | 57 | 27 | 104 | 103 | 103 | 103 | 65 | 63 | 59 | 55 | 55 | 54 | 30 | 30 | 30 | 30 | 29 |
Swell 2 Height (m) Direction Period (s) | S 16 | SSE 8 | S 13 | S 13 | S 7 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 5 | S 5 | E 9 | E 9 | SW 16 | SW 17 | SW 18 | SW 18 | NE 8 | N 8 |
| kJ | 46 | 113 | 54 | 55 | 23 | 13 | 12 | 6 | 5 | 2 | 2 | 7 | 15 | 11 | 11 | 12 | 12 | 9 | 4 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 16 | S 16 | S 16 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | — | N 7 | N 7 | N 7 | W 13 | W 13 | SE 7 | SSE 7 |
| kJ | 30 | 45 | 45 | 45 | 5 | 5 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 3 | 3 | 2 | 5 |
Wind waves Height (m) Direction Period (s) | E 9 | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 965 | — | 560 | 533 | 450 | 355 | 300 | 292 | 252 | 222 | 215 | 183 | 158 | 155 | 139 | 147 | 135 | 131 | 156 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 225 | 51 | 51 | 48 | 48 | 9 | 14 | 44 | 44 | 44 | 44 | 15 | 15 | 15 | 44 | 17 | 44 | 44 | 44 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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