Surf Forecasts:
How big are the waves at Keaulanas today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 3ft (0.9m), 13s period with S swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
- Evening surf: Evening surf (15 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
The current surf forecast for Keaulanas at 9PM is: 0.7m 13s primary swell from a South direction and 0.4m 17s secondary swell from a South direction (forecast issued at 01:00pm August 15). An open ocean swell of 2.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 3ft (0.9m) | 13s |
| Afternoon (15 Aug) | 2.5ft (0.7m) | 13s |
| Evening (15 Aug) | 2.5ft (0.7m) | 13s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Sat night. Warm (max 27°C on Sat afternoon, min 23°C on Sat night). Winds decreasing (near gales from the ENE on Sat night, light winds from the E by Sun night). | |||||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||||
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 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 18 | S 17 | S 12 | S 13 | S 13 | S 13 | S 14 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 222 | 219 | 171 | 168 | 171 | 173 | 192 | 96 | 145 | 110 | 121 | 215 | 212 | 239 | 343 | 334 | 338 | 338 | 329 | 325 | 249 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:29PM0.55m | 6:36AM0.49m | 5:51PM0.47m | 7:32AM0.51m | 6:05PM0.40m | ||||||||||||||||
Low Tide | 11:19AM0.18m | 00:07AM0.09m | 12:16PM0.25m | 00:30AM0.09m | 1:28PM0.30m | ||||||||||||||||
 |  | |  |  | |  |  |  | | |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | 11 | 7 | 8 | 4 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 26 | 26 | 25 | 23 | 25 | 25 | 26 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 25 | 25 |
Feels °C | 23 | 23 | 23 | 21 | 20 | 20 | 20 | 22 | 24 | 26 | 28 | 28 | 27 | 28 | 28 | 28 | 29 | 28 | 28 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | SSE 11 | SSE 10 | SSE 9 | SSE 8 | SSE 8 | SSE 7 | S 7 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 222 | 219 | 171 | 168 | 171 | 173 | 192 | 533 | 749 | 563 | 376 | 218 | 140 | 100 | 343 | 334 | 338 | 338 | 329 | 325 | 249 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | W 13 | W 13 | S 17 | S 18 | S 18 | SE 10 | S 13 | S 13 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | SSE 7 | NE 7 | S 6 | NE 7 | NE 6 | NE 7 | S 6 |
| kJ | 102 | 29 | 30 | 87 | 57 | 99 | 84 | 86 | 81 | 196 | 167 | 125 | 116 | 94 | 75 | 77 | 50 | 54 | 49 | 52 | 15 |
Swell 3 Height (m) Direction Period (s) | W 11 | NNW 8 | NNW 8 | NNW 8 | WNW 13 | WNW 13 | S 18 | S 18 | S 17 | S 12 | S 13 | S 13 | S 13 | S 14 | NE 7 | S 6 | WNW 11 | S 6 | S 6 | S 6 | WNW 11 |
| kJ | 22 | 13 | 12 | 13 | 34 | 33 | 98 | 96 | 145 | 110 | 121 | 215 | 212 | 239 | 91 | 52 | 25 | 37 | 33 | 24 | 24 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 6 | ENE 8 | ENE 9 | ENE 8 | ENE 9 | E 9 | — | ENE 8 | — | — | — | NE 7 | — | — | E 7 | NE 6 |
| kJ | 261 | 447 | 531 | 684 | 870 | 571 | 781 | 512 | 412 | 516 | 393 | — | 277 | — | — | — | 69 | — | — | 131 | 49 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 167 | 167 | 167 | 176 | 185 | 176 | 161 | 161 | 92 | 24 | 24 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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