Surf Forecasts:
How big are the waves at Keaulanas today (13 Aug):
- Afternoon surf: Afternoon surf (13 Aug, local time) - 3.5ft (1.1m), 18s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 3.5ft (1.0m), 17s period with S swell.
The current surf forecast for Keaulanas at 12AM is: 1.2m 16s primary swell from a South direction and 0.8m 13s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 12). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | - | - |
| Afternoon (13 Aug) | 3.5ft (1.1m) | 18s |
| Evening (13 Aug) | 3.5ft (1.0m) | 17s |
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 Wed night). Winds increasing (light winds from the NE on Wed night, strong winds from the ENE by Sat afternoon). | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | |||||||||||||||||
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 18 | S 17 | S 16 | S 16 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 613 | 600 | 651 | 1029 | 1017 | 1004 | 868 | 836 | 773 | 644 | 636 | 636 | 636 | 606 | 503 | 496 | 411 | 405 | 399 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 4:00PM0.76m | 4:10AM0.37m | 4:33PM0.71m | 4:57AM0.42m | 5:03PM0.63m | ||||||||||||||
Low Tide | 10:56PM0.10m | 9:38AM0.06m | 11:20PM0.09m | 10:27AM0.12m | |||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | 7:05 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 26 | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 25 | 26 | 26 | 25 | 27 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 26 | 25 | 24 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 18 | S 17 | S 16 | S 16 | 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 |
| kJ | 613 | 600 | 651 | 1029 | 1017 | 1004 | 868 | 836 | 773 | 644 | 636 | 636 | 636 | 606 | 503 | 496 | 411 | 405 | 399 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | WNW 12 | NE 6 | W 12 | W 12 | ESE 7 | ESE 7 | W 12 | W 11 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | ESE 8 | ESE 11 | ESE 11 |
| kJ | 273 | 289 | 218 | 28 | 45 | 25 | 25 | 9 | 11 | 11 | 10 | 26 | 26 | 26 | 24 | 17 | 25 | 45 | 22 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | WNW 12 | W 12 | SE 9 | WNW 12 | NNW 9 | NNW 8 | W 12 | W 12 | NNW 8 | NNW 7 | W 11 | W 12 | W 12 | W 12 | NNW 8 | NNW 8 | NNW 8 | NNW 8 |
| kJ | 28 | 28 | 25 | 13 | 28 | 8 | 6 | 25 | 11 | 6 | 5 | 10 | 11 | 11 | 11 | 6 | 6 | 6 | 12 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | NE 6 | NE 6 | E 7 | NE 6 | NE 6 | NE 5 | NE 5 | NE 6 | NE 6 | NE 7 | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | NE 6 | NE 7 |
| kJ | 43 | 45 | 33 | 46 | 128 | 45 | 39 | 38 | 45 | 73 | 94 | 73 | 86 | 97 | 106 | 106 | 106 | 106 | 140 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 160 | 0 | 0 | 2 | 0 | 0 | 0 | 161 | 160 | 6 | 0 | 0 | 0 | 11 | 11 | 160 | 16 | 6 | 11 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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