Surf Forecasts:
How big are the waves at Ala Moana Courts today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.8m), 15s period with SSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 7ft (2.2m), 8s period with E swell.
The current surf forecast for Ala Moana Courts at 4PM is: 0.8m 15s primary swell from a South-southwest direction and 0.5m 15s secondary swell from a Southwest direction (forecast issued at 01:00pm September 20). An open ocean swell of 2.0m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 2.5ft (0.8m) | 16s |
| Afternoon (20 Sep) | 2.5ft (0.8m) | 15s |
| Evening (20 Sep) | 7ft (2.2m) | 8s |
Table - waves today at Ala Moana Courts. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 25°C on Sun night). Mainly strong winds. | |||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||
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 15 | SSW 15 | E 8 | E 7 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 14 | S 14 | SSW 13 | SSW 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | S 12 | S 12 | S 12 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 253 | 292 | 300 | 566 | 537 | 350 | 336 | 331 | 246 | 250 | 232 | 236 | 232 | 168 | 178 | 176 | 170 | 153 | 146 | 106 | 412 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 12:26PM0.61m | 00:59AM0.27m | 1:06PM0.62m | 1:32AM0.32m | 1:41PM0.62m | ||||||||||||||||
Low Tide | 8:01PM0.15m | 5:47AM0.16m | 8:17PM0.13m | 6:43AM0.13m | 8:34PM0.11m | ||||||||||||||||
 | | |  |  | | | | | | | | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 |
Feels °C | 23 | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 14 | S 14 | SSW 13 | SSW 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | S 12 | S 12 | S 12 | E 8 |
| kJ | 253 | 292 | 300 | 370 | 365 | 350 | 336 | 331 | 246 | 250 | 232 | 236 | 232 | 168 | 178 | 176 | 170 | 153 | 146 | 106 | 412 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | SW 14 | SW 14 | SW 13 | SW 14 | SW 14 | SW 13 | NNW 13 | NNW 13 | N 12 | N 12 | N 12 | N 11 | S 12 |
| kJ | 146 | 106 | 104 | 55 | 33 | 33 | 33 | 21 | 54 | 32 | 46 | 31 | 31 | 46 | 58 | 55 | 75 | 72 | 69 | 63 | 106 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | SSE 6 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | N 14 | W 13 | SSW 13 | SSW 19 | SW 19 | SW 19 | SW 17 | N 11 |
| kJ | 4 | 4 | 3 | 3 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 15 | 13 | 17 | 36 | 57 | 92 | 72 | 61 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 8 | E 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | — |
| kJ | 435 | 411 | 447 | 566 | 537 | 561 | 469 | 449 | 427 | 404 | 418 | 408 | 394 | 394 | 350 | 370 | 330 | 318 | 318 | 309 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 37 | 39 | 39 | 37 | 37 | 39 | 29 | 29 | 29 | 29 | 39 | 29 | 29 | 1 | 0 | 29 | 29 | 29 | 37 | 29 | 29 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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