Surf Forecasts:
How big are the waves at Keaulanas today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 1.5ft (0.4m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 1.5ft (0.4m), 10s period with NNW swell.
- Evening surf: Evening surf (20 Oct, local time) - 1.5ft (0.4m), 15s period with SW swell.
The current surf forecast for Keaulanas at 9AM is: 0.4m 16s primary swell from a Southwest direction and 0.5m 10s secondary swell from a North direction (forecast issued at 01:00am October 20). An open ocean swell of 1.3m 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 (20 Oct) | 1.5ft (0.4m) | 16s |
| Afternoon (20 Oct) | 1.5ft (0.4m) | 10s |
| Evening (20 Oct) | 1.5ft (0.4m) | 15s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 24°C on Tue night). Winds decreasing (fresh winds from the ENE on Tue morning, calm by Thu morning). | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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) | SW 16 | SW 16 | SW 16 | SW 16 | NNW 10 | NNW 10 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | NW 12 | SSW 14 | SSW 14 | SSW 14 | NW 11 | NW 12 | NW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 64 | 64 | 65 | 65 | 35 | 34 | 57 | 62 | 64 | 64 | 63 | 60 | 87 | 85 | 85 | 84 | 54 | 47 | 81 | 79 | 76 | 80 | 89 | 89 |
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 | cross-off | cross-off | glassy | glassy | cross-off | off | cross-off |
High Tide | 00:41AM0.29m | 11:50AM0.55m | 1:10AM0.36m | 12:29PM0.54m | 1:39AM0.45m | 1:04PM0.51m | ||||||||||||||||||
Low Tide | 4:44AM0.24m | 7:06PM0.12m | 6:05AM0.23m | 7:20PM0.10m | 7:08AM0.22m | 7:36PM0.08m | ||||||||||||||||||
 | |  | | | | | | | | |  | | | | | | | | | | |  | | |
 | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 27 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 |
Feels °C | 22 | 22 | 23 | 22 | 23 | 21 | 23 | 22 | 22 | 22 | 24 | 24 | 25 | 24 | 25 | 24 | 25 | 25 | 26 | 29 | 28 | 28 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 11 | N 11 | N 10 | SE 7 | NNW 10 | NNW 10 | NNW 10 | NE 7 | NE 7 | SW 16 | SE 8 | SSE 6 | SSW 15 | SSW 15 | SSW 15 | NE 7 | NE 7 | NE 8 | NE 7 | NE 7 | NE 7 | NE 8 | NE 8 |
| kJ | 62 | 59 | 57 | 54 | 25 | 34 | 33 | 33 | 134 | 126 | 63 | 17 | 16 | 85 | 85 | 84 | 73 | 43 | 67 | 56 | 44 | 44 | 59 | 59 |
Swell 2 Height (m) Direction Period (s) | NW 11 | SW 16 | SW 16 | SW 16 | NNW 10 | SSE 6 | SW 15 | SW 16 | N 10 | N 10 | N 9 | SW 15 | SSW 15 | SE 6 | SE 6 | SSE 6 | SW 15 | N 6 | NW 11 | SSW 14 | SSW 14 | NW 11 | NW 12 | NW 12 |
| kJ | 40 | 64 | 65 | 65 | 35 | 7 | 57 | 62 | 30 | 30 | 16 | 60 | 87 | 10 | 9 | 6 | 54 | 17 | 43 | 79 | 76 | 80 | 89 | 89 |
Swell 3 Height (m) Direction Period (s) | SW 16 | NW 10 | NW 10 | NW 10 | S 11 | NW 10 | S 11 | S 11 | SW 16 | SW 16 | SE 6 | N 9 | N 9 | N 9 | N 9 | NW 12 | NW 12 | NW 12 | SSW 14 | NW 11 | NW 11 | SSW 14 | SSW 14 | SSW 13 |
| kJ | 64 | 36 | 16 | 15 | 21 | 15 | 21 | 21 | 64 | 64 | 9 | 15 | 15 | 14 | 14 | 23 | 37 | 47 | 81 | 30 | 42 | 73 | 71 | 70 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | ENE 7 | NE 7 | NE 7 | ENE 7 | NE 7 | SE 6 | E 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | — | — | — | — | — | — | — | — |
| kJ | 199 | 160 | 176 | 178 | 152 | 151 | 173 | 156 | 18 | 323 | 125 | 121 | 136 | 140 | 102 | 102 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 9 | 161 | 160 | 16 | 189 | 5 | 5 | 2 | 2 | 2 | 2 | 5 | 2 | 1 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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