Surf Forecasts:
How big are the waves at Keaulanas today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 4.5ft (1.3m), 11s period with NNW swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 5ft (1.5m), 11s period with N swell.
- Evening surf: Evening surf (17 Oct, local time) - 3.5ft (1.0m), 10s period with NNW swell.
The current surf forecast for Keaulanas at 4AM is: 1.3m 11s primary swell from a North-northwest direction and 0.5m 15s secondary swell from a South direction (forecast issued at 07:00pm October 16). An open ocean swell of 0.9m 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 Oct) | 4.5ft (1.3m) | 11s |
| Afternoon (17 Oct) | 5ft (1.5m) | 11s |
| Evening (17 Oct) | 3.5ft (1.0m) | 10s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat afternoon, min 24°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Fri 16 | Saturday 17 | Sunday 18 | |||||||||||||||||
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) | NNW 13 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | N 11 | N 11 | N 11 | NNW 10 | NNW 10 | NNW 10 | N 13 | NNW 12 | N 12 | N 12 | N 12 | NNW 11 | NNW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 506 | 437 | 422 | 383 | 422 | 415 | 515 | 514 | 505 | 231 | 191 | 191 | 163 | 392 | 284 | 279 | 274 | 217 | 205 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off |
High Tide | 8:59AM0.56m | 10:19PM0.19m | 10:08AM0.55m | ||||||||||||||||
Low Tide | 11:29PM0.15m | 6:59PM0.18m | 00:06AM0.19m | 6:46PM0.16m | |||||||||||||||
 |  | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 25 | 24 |
Feels °C | 26 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 23 | 24 | 24 | 23 | 24 | 23 | 23 | 24 | 23 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | NNW 13 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | N 11 | S 14 | NW 17 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 12 | N 12 | N 12 | N 12 | NNW 11 | NNW 11 |
| kJ | 506 | 437 | 422 | 383 | 422 | 415 | 515 | 62 | 140 | 231 | 191 | 191 | 158 | 392 | 284 | 279 | 274 | 217 | 205 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 10 | S 15 | S 14 | S 14 | S 14 | WNW 17 | SSE 10 | NW 16 | N 13 | N 13 | N 13 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 |
| kJ | 121 | 118 | 51 | 106 | 103 | 102 | 64 | 119 | 33 | 124 | 92 | 128 | 163 | 103 | 100 | 88 | 111 | 109 | 103 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 10 | S 15 | SSE 10 | SSE 10 | NW 17 | SSE 10 | S 10 | S 14 | S 13 | NW 16 | S 13 | NW 15 | S 13 | S 13 | S 13 | S 13 | SSW 16 | SW 16 |
| kJ | 53 | 33 | 70 | 35 | 33 | 70 | 33 | 17 | 59 | 56 | 124 | 84 | 104 | 83 | 83 | 82 | 51 | 107 | 69 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | E 7 | N 11 | N 11 | NE 6 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 |
| kJ | 114 | 116 | 113 | 118 | 75 | 66 | 33 | 514 | 505 | 94 | 128 | 135 | 125 | 147 | 151 | 151 | 168 | 175 | 222 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 9 | 5 | 5 | 5 | 5 | 9 | 9 | 160 | 13 | 0 | 5 | 16 | 5 | 9 | 13 | 160 | 160 | 16 | 161 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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