Surf Forecasts:
How big are the waves at Keaulanas today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Evening surf: Evening surf (19 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
The current surf forecast for Keaulanas at 10AM is: 0.5m 16s primary swell from a Southwest direction and 0.6m 12s secondary swell from a South direction (forecast issued at 01:00am August 19). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 1.5ft (0.5m) | 16s |
| Afternoon (19 Aug) | 1.5ft (0.5m) | 16s |
| Evening (19 Aug) | 1.5ft (0.5m) | 16s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Thu afternoon, min 25°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
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 | 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 12 | S 12 | SW 16 | SW 16 | SSW 16 | SSW 16 | SW 16 | SSW 16 | SSW 17 | SSW 18 | SW 18 | SW 18 | SSW 17 | SSW 17 | SW 16 | SW 16 | SSW 17 | SSW 17 | SW 17 | SW 17 | SW 16 | SSW 16 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 155 | 103 | 103 | 129 | 130 | 100 | 103 | 127 | 175 | 195 | 207 | 249 | 316 | 200 | 184 | 271 | 278 | 360 | 368 | 291 | 281 | 261 | 322 | 322 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | glassy | cross | cross-off | off | glassy | glassy | glassy | cross-off | cross-on | on | glassy | glassy | cross-off |
High Tide | 9:54AM0.53m | 11:13AM0.55m | 12:17PM0.58m | |||||||||||||||||||||
Low Tide | 1:22AM0.12m | 2:02AM0.13m | 3:07AM0.14m | 9:33PM0.20m | ||||||||||||||||||||
 |  |  | | | | | | | |  | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 28 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 26 | 25 | 27 | 28 | 28 | 29 | 28 | 28 | 26 | 27 | 27 | 30 | 31 | 30 | 31 | 30 | 30 | 29 | 30 | 31 | 30 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | NE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NE 7 | NE 6 | SW 18 | SW 18 | SSW 17 | NNE 7 | SW 16 | SW 16 | SSW 17 | SSW 17 | SW 17 | SW 17 | SW 16 | SSW 16 | SSW 16 |
| kJ | 155 | 103 | 37 | 29 | 26 | 26 | 25 | 24 | 26 | 35 | 34 | 249 | 316 | 200 | 41 | 271 | 278 | 360 | 368 | 291 | 281 | 261 | 322 | 322 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NNE 5 | S 12 | S 12 | SW 16 | S 12 | S 12 | S 12 | SSW 16 | SSW 17 | SSW 18 | NNE 6 | S 11 | W 11 | SSW 17 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NE 7 | NE 7 |
| kJ | 18 | 9 | 103 | 103 | 130 | 69 | 71 | 71 | 175 | 195 | 207 | 28 | 39 | 55 | 184 | 42 | 33 | 33 | 33 | 32 | 32 | 32 | 37 | 37 |
Swell 3 Height (m) Direction Period (s) | SW 18 | NE 7 | SSW 16 | SW 16 | S 12 | SSW 16 | SSW 16 | SW 16 | S 12 | S 12 | S 11 | S 11 | WSW 9 | S 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 10 | W 10 |
| kJ | 79 | 17 | 103 | 129 | 69 | 100 | 103 | 127 | 71 | 44 | 41 | 39 | 16 | 39 | 49 | 47 | 47 | 48 | 49 | 82 | 82 | 83 | 78 | 72 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NNE 7 | NNE 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 38 | 41 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 23 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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