Surf Forecasts:
How big are the waves at Keaulanas today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4.5ft (1.4m), 16s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 4.5ft (1.3m), 16s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 4ft (1.2m), 15s period with S swell.
The current surf forecast for Keaulanas at 10AM is: 1.4m 16s primary swell from a South direction and 0.3m 12s secondary swell from a West direction (forecast issued at 07:00am August 13). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4.5ft (1.4m) | 16s |
| Afternoon (13 Aug) | 4.5ft (1.3m) | 16s |
| Evening (13 Aug) | 4ft (1.2m) | 15s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Thu morning, min 25°C on Thu night). Winds increasing (moderate winds from the ENE on Thu morning, strong winds from the ENE by Sat morning). | |||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||||||||
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 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | 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 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1017 | 1004 | 868 | 836 | 773 | 644 | 636 | 636 | 636 | 522 | 503 | 496 | 411 | 405 | 399 | 311 | 289 | 284 | 222 | 168 | 168 | 168 | 222 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | off | off | cross-off |
High Tide | 4:10AM0.37m | 4:33PM0.71m | 4:57AM0.42m | 5:03PM0.63m | 5:45AM0.46m | 5:29PM0.55m | |||||||||||||||||
Low Tide | 9:38AM0.06m | 11:20PM0.09m | 10:27AM0.12m | 11:44PM0.09m | 11:19AM0.18m | ||||||||||||||||||
 |  | | | | | | | | | | | | | |  | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 28 | 28 | 27 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 |
Feels °C | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 25 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | 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 |
| kJ | 1017 | 1004 | 868 | 836 | 773 | 644 | 636 | 636 | 636 | 522 | 503 | 496 | 411 | 405 | 399 | 311 | 289 | 284 | 222 | 168 | 168 | 168 | 222 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | NNW 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | NNW 8 | ESE 11 | ESE 10 | NNW 8 | NNW 8 | W 11 | S 16 | W 13 | S 17 | S 18 |
| kJ | 27 | 25 | 25 | 25 | 11 | 11 | 5 | 25 | 26 | 27 | 26 | 24 | 16 | 6 | 22 | 59 | 13 | 13 | 22 | 44 | 30 | 86 | 57 |
Swell 3 Height (m) Direction Period (s) | S 20 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | NNW 8 | ESE 11 | NNW 8 | NNW 8 | W 11 | W 11 | NNW 8 | W 13 | NNW 8 | NNW 8 | WNW 13 |
| kJ | 8 | 8 | 6 | 6 | 6 | 6 | 10 | 10 | 11 | 11 | 11 | 11 | 6 | 22 | 12 | 12 | 21 | 21 | 6 | 29 | 12 | 12 | 34 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 8 |
| kJ | 46 | 52 | 50 | 58 | 52 | 56 | 73 | 70 | 94 | 97 | 97 | 99 | 113 | 124 | 144 | 159 | 247 | 266 | 315 | 316 | 320 | 344 | 582 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 11 | 160 | 11 | 0 | 0 | 0 | 0 | 11 | 11 | 161 | 161 | 6 | 11 | 167 | 167 | 162 | 167 | 167 | 167 | 161 | 162 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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