Surf Forecasts:
How big are the waves at Keaulanas today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 3ft (0.9m), 14s period with S swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 3ft (0.9m), 14s period with S swell.
- Evening surf: Evening surf (17 Aug, local time) - 3ft (0.9m), 14s period with S swell.
The current surf forecast for Keaulanas at 7PM is: 0.9m 14s primary swell from a South direction and 0.4m 5s secondary swell from a South-southwest direction (forecast issued at 01:00pm August 17). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3ft (0.9m) | 14s |
| Afternoon (17 Aug) | 3ft (0.9m) | 14s |
| Evening (17 Aug) | 3ft (0.9m) | 14s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||
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 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 | S 13 | S 12 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 338 | 338 | 260 | 325 | 316 | 225 | 219 | 215 | 165 | 165 | 162 | 162 | 162 | 155 | 103 | 103 | 129 | 130 | 100 | 103 | 127 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-off | cross-off | cross-off | glassy | glassy | off | off |
High Tide | 6:05PM0.40m | 8:37AM0.52m | 5:51PM0.34m | 9:54AM0.53m | |||||||||||||||||
Low Tide | 1:28PM0.30m | 00:54AM0.10m | 3:34PM0.33m | 1:22AM0.12m | |||||||||||||||||
 | |  |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 25 | 27 | 27 | 27 | 25 | 24 | 24 | 25 | 24 | 26 | 27 | 26 | 25 | 24 |
Feels °C | 28 | 28 | 28 | 27 | 26 | 24 | 25 | 25 | 27 | 27 | 27 | 25 | 24 | 25 | 26 | 25 | 28 | 30 | 29 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | 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 | S 13 | NE 7 | NE 7 | NE 6 | NE 6 | NNE 6 | NNE 6 | NNE 6 |
| kJ | 338 | 338 | 260 | 325 | 316 | 225 | 219 | 215 | 165 | 165 | 162 | 162 | 162 | 155 | 45 | 36 | 34 | 32 | 26 | 26 | 26 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | SSW 5 | SSW 5 | S 5 | NE 6 | NE 6 | NE 6 | SSW 18 | SSW 18 | SSW 18 | SW 18 | SW 18 | S 12 | S 12 | S 12 | SW 16 | S 12 | S 12 | S 12 |
| kJ | 75 | 57 | 55 | 9 | 5 | 4 | 38 | 36 | 28 | 120 | 123 | 123 | 80 | 79 | 103 | 69 | 103 | 130 | 69 | 71 | 71 |
Swell 3 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | SE 6 | SW 6 | WSW 6 | SW 6 | SW 16 | SSW 17 | SW 6 | WNW 13 | ENE 7 | WNW 12 | WNW 12 | WNW 12 | SSW 16 | SW 16 | S 12 | SSW 16 | SSW 16 | SW 16 |
| kJ | 35 | 23 | 21 | 8 | 9 | 7 | 13 | 69 | 115 | 9 | 34 | 10 | 28 | 28 | 28 | 103 | 129 | 69 | 100 | 103 | 127 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 7 | NE 7 | NE 6 | — | — | — | NE 6 | NE 6 | NE 5 | NE 6 | NE 5 | ENE 8 | — | — | — | — | — | — |
| kJ | — | — | — | 55 | 52 | 47 | — | — | — | 26 | 26 | 12 | 19 | 22 | 118 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 2 | 0 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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