Surf Forecasts:
How big are the waves at Keaulanas today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 4.5ft (1.3m), 13s period with S swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 4.5ft (1.4m), 12s period with S swell.
- Evening surf: Evening surf (04 Sep, local time) - 5ft (1.5m), 13s period with S swell.
The current surf forecast for Keaulanas at 1AM is: 0.6m 13s primary swell from a South direction (forecast issued at 07:00pm September 03). An open ocean swell of 0.9m 12s is not directed at the surf break, a second open ocean swell of 1.1m 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 (04 Sep) | 4.5ft (1.3m) | 13s |
| Afternoon (04 Sep) | 4.5ft (1.4m) | 12s |
| Evening (04 Sep) | 5ft (1.5m) | 13s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sun afternoon. Warm (max 28°C on Sat afternoon, min 25°C on Thu night). Mainly fresh winds. | |||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | |||||||||||||||||
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 | SW 12 | S 13 | S 12 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 195 | 136 | 132 | 130 | 421 | 6 | 556 | 497 | 633 | 726 | 649 | 646 | 635 | 726 | 750 | 869 | 855 | 870 | 890 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off |
High Tide | 10:46AM0.63m | 11:57AM0.67m | |||||||||||||||||
Low Tide | 1:42AM0.09m | 3:07AM0.10m | 8:21PM0.17m | ||||||||||||||||
 |  | | | | |  | | | | | | | | | | | |  | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 25 | 25 | 25 | 25 | 27 | 28 | 27 | 26 | 25 |
Feels °C | 24 | 22 | 23 | 23 | 24 | 23 | 25 | 24 | 25 | 23 | 24 | 24 | 25 | 24 | 26 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 11 | SSE 12 | S 13 | SSE 13 | S 13 | S 12 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 12 |
| kJ | 196 | 180 | 180 | 199 | 421 | 581 | 556 | 497 | 633 | 726 | 649 | 646 | 635 | 726 | 750 | 869 | 855 | 870 | 890 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 13 | E 14 | E 14 | ESE 8 | E 13 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | SSW 17 | SSW 17 | E 13 | E 14 | E 13 |
| kJ | 195 | 136 | 132 | 130 | 16 | 16 | 11 | 32 | 35 | 37 | 36 | 64 | 62 | 61 | 113 | 170 | 55 | 92 | 87 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSE 16 | E 12 | ESE 8 | SW 18 | SW 12 | E 14 | SW 13 | SW 13 | SSW 20 | SSW 20 | N 11 | NNE 11 | NNE 11 | E 14 | E 13 | NNE 10 | NNE 9 | N 9 |
| kJ | 17 | 83 | 12 | 12 | 12 | 6 | 33 | 27 | 26 | 37 | 38 | 10 | 12 | 22 | 59 | 55 | 19 | 17 | 13 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 6 | NE 7 | NE 6 | NE 7 | NE 7 | NE 6 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 |
| kJ | 140 | 136 | 124 | 79 | 114 | 102 | 81 | 128 | 113 | 89 | 75 | 81 | 88 | 100 | 100 | 85 | 82 | 72 | 64 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 162 | 160 | 11 | 6 | 2 | 6 | 11 | 11 | 6 | 0 | 0 | 0 | 0 | 2 | 2 | 161 | 0 | 2 | 2 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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