Surf Forecasts:
How big are the waves at Keaulanas today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
- Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
The current surf forecast for Keaulanas at 3AM is: 0.8m 13s primary swell from a South direction (forecast issued at 07:00pm August 17). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2.5ft (0.8m) | 13s |
| Afternoon (18 Aug) | 2.5ft (0.7m) | 13s |
| Evening (18 Aug) | 2.5ft (0.7m) | 13s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Thu afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||
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 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | SW 16 | SW 16 | SSW 16 | SSW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 260 | 325 | 316 | 225 | 219 | 215 | 165 | 165 | 162 | 166 | 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 | off | cross-off | 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 | 00:54AM0.10m | 3:34PM0.33m | 1:22AM0.12m | ||||||||||||||||
 |  | | | | | |  | |  | | | | | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 25 | 24 | 24 | 24 | 26 | 27 | 27 | 25 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 24 |
Feels °C | 27 | 26 | 25 | 24 | 25 | 24 | 26 | 27 | 27 | 25 | 24 | 25 | 25 | 26 | 28 | 30 | 29 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | 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 | NE 7 | NNE 6 | NNE 6 | NNE 6 | NE 6 | S 12 |
| kJ | 260 | 325 | 316 | 225 | 219 | 215 | 165 | 165 | 162 | 166 | 162 | 155 | 103 | 36 | 28 | 26 | 26 | 19 | 71 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 7 | SSW 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | SSW 18 | NE 5 | SW 18 | WNW 12 | S 12 | S 12 | SW 16 | S 12 | S 12 | NE 6 |
| kJ | 57 | 55 | 5 | 47 | 38 | 36 | 28 | 27 | 32 | 123 | 18 | 79 | 28 | 103 | 103 | 130 | 69 | 71 | 18 |
Swell 3 Height (m) Direction Period (s) | SSW 5 | SSW 5 | SW 6 | S 5 | SW 6 | SW 16 | SSW 17 | SSW 18 | SSW 18 | ENE 7 | SW 18 | WNW 12 | NE 7 | SSW 16 | SW 16 | S 12 | SSW 16 | SSW 16 | SW 16 |
| kJ | 9 | 9 | 9 | 4 | 13 | 69 | 115 | 120 | 123 | 10 | 80 | 28 | 13 | 103 | 129 | 69 | 100 | 103 | 127 |
Wind waves Height (m) Direction Period (s) | E 8 | — | NE 7 | — | — | — | — | — | — | NE 5 | — | NE 5 | NE 5 | — | — | — | — | — | — |
| kJ | 138 | — | 54 | — | — | — | — | — | — | 14 | — | 17 | 17 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 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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