Surf Forecasts:
How big are the waves at Ala Moana Courts today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.0m), 17s period with SSW swell.
- Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.
The current surf forecast for Ala Moana Courts at 9AM is: 0.9m 17s primary swell from a South-southwest direction and 0.6m 14s secondary swell from a South-southwest direction (forecast issued at 01:00am September 18). An open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 17s |
| Afternoon (18 Sep) | 3.5ft (1.0m) | 17s |
| Evening (18 Sep) | 3.5ft (1.0m) | 16s |
Table - waves today at Ala Moana Courts. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri morning, min 25°C on Sun night). Mainly strong winds. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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) | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | E 8 | SSW 16 | SSW 16 | E 7 | E 8 | SSW 16 | SSW 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 644 | 644 | 390 | 622 | 601 | 580 | 566 | 552 | 566 | 525 | 392 | 494 | 617 | 387 | 387 | 195 | 273 | 350 | 366 | 253 | 296 | 300 | 370 | 365 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | off | cross-off | cross-off | off | off | off | cross-off |
High Tide | 10:27AM0.57m | 11:01PM0.21m | 11:34AM0.59m | 00:19AM0.23m | 12:26PM0.61m | |||||||||||||||||||
Low Tide | 1:26AM0.16m | 7:23PM0.18m | 2:56AM0.18m | 7:43PM0.16m | 4:35AM0.17m | 8:01PM0.15m | ||||||||||||||||||
 | |  | |  | | | |  | | | | | | | | | | | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 25 |
Feels °C | 25 | 25 | 26 | 24 | 24 | 25 | 24 | 24 | 25 | 25 | 23 | 22 | 24 | 23 | 24 | 25 | 25 | 24 | 23 | 24 | 22 | 23 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 644 | 644 | 390 | 622 | 601 | 580 | 566 | 552 | 539 | 525 | 392 | 382 | 382 | 387 | 387 | 195 | 273 | 350 | 366 | 253 | 296 | 300 | 370 | 365 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSW 14 | SSE 10 | SSE 7 | SE 7 | SSE 6 | SSE 9 | SSE 8 | SSE 7 | SSE 6 | SSW 18 | SSW 18 | S 18 | S 18 | SSW 16 | SW 16 | SSW 16 | SSE 6 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 9 | 9 | 131 | 9 | 10 | 12 | 7 | 7 | 12 | 18 | 8 | 108 | 106 | 99 | 99 | 166 | 122 | 98 | 13 | 107 | 107 | 104 | 55 | 33 |
Swell 3 Height (m) Direction Period (s) | WSW 10 | SW 10 | SSE 10 | W 9 | S 21 | W 9 | S 21 | W 9 | S 20 | S 20 | S 20 | SSE 8 | W 9 | S 13 | W 8 | SSW 13 | SSW 14 | SSE 7 | SW 15 | SSE 6 | SSE 8 | W 13 | W 12 | W 12 |
| kJ | 9 | 4 | 9 | 2 | 34 | 6 | 34 | 6 | 30 | 67 | 30 | 7 | 1 | 3 | 1 | 102 | 37 | 10 | 33 | 8 | 6 | 3 | 3 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 7 | E 8 | E 8 | ENE 8 | E 7 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 541 | 441 | 460 | 514 | 469 | 416 | 438 | 491 | 566 | 471 | 461 | 494 | 617 | 531 | 509 | 496 | 438 | 416 | 427 | 435 | 439 | 408 | 397 | 461 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 30 | 30 | 37 | 181 | 30 | 30 | 37 | 29 | 37 | 37 | 37 | 45 | 37 | 37 | 29 | 29 | 29 | 29 | 37 | 39 | 37 | 37 | 128 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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