Surf Forecasts:
How big are the waves at Keaulanas today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3ft (0.9m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 3ft (0.9m), 18s period with SSW swell.
- Evening surf: Evening surf (16 Sep, local time) - 3ft (0.9m), 18s period with SSW swell.
The current surf forecast for Keaulanas at 12PM is: 0.9m 18s primary swell from a South-southwest direction (forecast issued at 07:00am September 16). An open ocean swell of 0.8m 7s is not directed at the surf break, a second open ocean swell of 0.9m 10s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3ft (0.9m) | 18s |
| Afternoon (16 Sep) | 3ft (0.9m) | 18s |
| Evening (16 Sep) | 3ft (0.9m) | 18s |
Table - waves today at Keaulanas. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 29°C on Wed afternoon, min 26°C on Wed morning). Mainly fresh winds. | |||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||||||||
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 18 | SW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | 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 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 491 | 460 | 541 | 541 | 541 | 541 | 534 | 510 | 464 | 452 | 322 | 322 | 322 | 552 | 644 | 826 | 759 | 742 | 725 | 601 | 675 | 667 | 651 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:35AM0.57m | 8:46AM0.55m | 10:11AM0.54m | ||||||||||||||||||||
Low Tide | 00:02AM0.12m | 00:34AM0.14m | |||||||||||||||||||||
 |  | | | | |  | | |  |  | |  |  | | | | | | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 28 | 29 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 29 | 28 | 26 | 26 |
Feels °C | 29 | 29 | 31 | 30 | 29 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | 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 |
| kJ | 491 | 460 | 541 | 541 | 541 | 541 | 534 | 510 | 464 | 452 | 322 | 322 | 322 | 552 | 644 | 826 | 759 | 742 | 725 | 601 | 675 | 667 | 651 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 7 | NNE 7 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 20 | SSW 19 | SSW 19 | ENE 10 | E 9 | SSW 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 8 | SSE 7 | SSE 6 |
| kJ | 54 | 49 | 56 | 32 | 31 | 43 | 31 | 31 | 30 | 30 | 216 | 246 | 210 | 18 | 40 | 10 | 9 | 9 | 9 | 8 | 7 | 18 | 16 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | NNE 9 | NNE 9 | S 8 | S 8 | E 10 | E 10 | E 10 | SW 11 | SW 10 | ENE 10 | WSW 8 | SSW 10 | WSW 10 | SW 10 | NW 11 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 9 |
| kJ | 37 | 36 | 34 | 8 | 8 | 5 | 5 | 8 | 8 | 8 | 18 | 15 | 19 | 7 | 10 | 9 | 4 | 5 | 8 | 8 | 8 | 8 | 6 |
Wind waves Height (m) Direction Period (s) | — | ENE 6 | ENE 10 | NE 6 | NE 6 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | NE 7 | NE 7 |
| kJ | — | 35 | 173 | 66 | 83 | 100 | 111 | 103 | 147 | 151 | 151 | 167 | 184 | 132 | 90 | 115 | 123 | 105 | 102 | 106 | 123 | 102 | 91 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 2 | 2 | 2 | 0 | 0 | 0 | 5 | 5 | 9 | 5 | 2 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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