Surf Forecasts:
How big are the waves at Waimanalo today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 4.5ft (1.3m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 4.5ft (1.3m), 7s period with ENE swell.
- Evening surf: Evening surf (12 Aug, local time) - 5ft (1.6m), 6s period with ENE swell.
The current surf forecast for Waimanalo at 3AM is: 1.4m 7s primary swell from a East direction (forecast issued at 07:00pm August 11). An open ocean swell of 0.4m 14s is not directed at the surf break, a second open ocean swell of 0.4m 19s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 4.5ft (1.3m) | 7s |
| Afternoon (12 Aug) | 4.5ft (1.3m) | 7s |
| Evening (12 Aug) | 5ft (1.6m) | 6s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Tue night, min 25°C on Tue night). Mainly fresh winds. | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||
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) | ENE 7 | ENE 7 | ENE 7 | E 7 | E 6 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 160 | 186 | 186 | 192 | 166 | 161 | 152 | 152 | 153 | 145 | 182 | 188 | 165 | 165 | 167 | 172 | 219 | 252 | 307 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on |
High Tide | 2:50PM0.74m | 1:43AM0.37m | 3:21PM0.72m | 2:36AM0.40m | 3:49PM0.69m | ||||||||||||||
Low Tide | 9:16PM0.20m | 7:57AM-0.08m | 9:41PM0.17m | 8:39AM-0.03m | 10:07PM0.14m | ||||||||||||||
 |  | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 25 | 23 | 24 | 25 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 24 | 23 | 24 | 24 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 19 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 |
| kJ | 40 | 37 | 37 | 62 | 60 | 111 | 155 | 221 | 152 | 148 | 132 | 257 | 254 | 251 | 183 | 174 | 161 | 159 | 159 |
Swell 2 Height (m) Direction Period (s) | NNW 7 | NNW 7 | S 20 | S 20 | S 19 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NW 7 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 |
| kJ | 5 | 5 | 67 | 119 | 118 | 58 | 55 | 55 | 55 | 55 | 55 | 2 | 8 | 8 | 7 | 6 | 6 | 6 | 5 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | S 11 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NW 7 | SE 9 | SE 9 | SE 9 | S 9 | SE 9 | S 9 | NE 11 | S 18 |
| kJ | 8 | 9 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 3 | 3 | 3 | 2 | 3 | 2 | 5 | 7 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | E 7 | E 6 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 |
| kJ | 160 | 186 | 186 | 192 | 166 | 161 | 152 | 152 | 153 | 145 | 182 | 188 | 165 | 165 | 167 | 172 | 219 | 252 | 307 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 44 | 44 | 17 | 44 | 44 | 44 | 44 | 44 | 50 | 44 | 44 | 44 | 44 | 44 | 44 | 116 | 116 | 46 | 44 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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