Surf Forecasts:
How big are the waves at Keaulanas today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Evening surf: Evening surf (17 Sep, local time) - 3.5ft (1.0m), 17s period with SSW swell.
The current surf forecast for Keaulanas at 9PM is: 1.0m 17s primary swell from a South-southwest direction (forecast issued at 01:00pm September 17). An open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 1.2m 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 Sep) | 3ft (0.9m) | 16s |
| Afternoon (17 Sep) | 2.5ft (0.8m) | 16s |
| Evening (17 Sep) | 3.5ft (1.0m) | 17s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 29°C on Fri afternoon, min 26°C on Thu night). Mainly fresh winds. | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||||
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) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 322 | 322 | 322 | 552 | 759 | 826 | 759 | 742 | 615 | 601 | 675 | 667 | 651 | 635 | 525 | 519 | 419 | 425 | 506 | 512 | 276 |
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 | 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 |
High Tide | 8:46AM0.55m | 10:11AM0.54m | 11:24AM0.56m | ||||||||||||||||||
Low Tide | 00:34AM0.14m | 1:44AM0.17m | 8:14PM0.18m | ||||||||||||||||||
 |  |  |  | |  |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 28 | 29 | 28 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 26 | 25 | 26 | 26 | 26 | 25 | 27 | 26 | 25 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 |
| kJ | 322 | 322 | 322 | 552 | 759 | 826 | 759 | 742 | 615 | 601 | 675 | 667 | 651 | 635 | 525 | 519 | 419 | 425 | 506 | 512 | 255 |
Swell 2 Height (m) Direction Period (s) | SSW 20 | SSW 19 | SSW 19 | ENE 9 | NNE 7 | SSW 10 | SSE 10 | SSE 10 | WSW 9 | WSW 9 | SSE 7 | SSE 7 | E 8 | NNE 6 | NNE 7 | SSE 7 | S 18 | SE 8 | S 18 | SSE 9 | SSW 16 |
| kJ | 216 | 246 | 210 | 29 | 96 | 10 | 9 | 9 | 8 | 8 | 9 | 18 | 30 | 52 | 34 | 18 | 162 | 38 | 162 | 30 | 276 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 10 | ENE 10 | SSW 10 | ENE 9 | WSW 10 | SW 10 | NW 11 | SSE 9 | SSE 9 | WSW 9 | WSW 9 | SSE 6 | E 8 | SE 8 | S 20 | SSE 7 | S 18 | SSE 8 | S 18 | E 8 |
| kJ | 18 | 15 | 19 | 10 | 27 | 9 | 4 | 5 | 9 | 8 | 8 | 8 | 15 | 28 | 30 | 67 | 17 | 162 | 13 | 99 | 29 |
Wind waves Height (m) Direction Period (s) | NE 7 | NNE 7 | NNE 7 | NNE 7 | E 9 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | NE 7 | NNE 6 | E 8 | E 7 | NE 7 | NE 7 | NE 7 | ENE 7 | NE 7 | NE 6 |
| kJ | 193 | 178 | 173 | 134 | 363 | 112 | 125 | 105 | 109 | 142 | 123 | 91 | 52 | 240 | 54 | 88 | 85 | 73 | 113 | 106 | 46 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 2 | 2 | 2 | 0 | 5 | 2 | 5 | 163 | 5 | 2 | 2 | 2 | 2 | 2 | 5 | 9 | 6 | 2 | 2 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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