Surf Forecasts:
How big are the waves at Ala Moana Courts today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2ft (0.6m), 13s period with S swell.
- Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 13s period with S swell.
The current surf forecast for Ala Moana Courts at 8PM is: 0.6m 13s primary swell from a South direction and 0.4m 18s secondary swell from a Southwest direction (forecast issued at 01:00pm August 18). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2.5ft (0.7m) | 13s |
| Afternoon (18 Aug) | 2ft (0.6m) | 13s |
| Evening (18 Aug) | 2ft (0.6m) | 13s |
Table - waves today at Ala Moana Courts. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Tue night). Winds decreasing (fresh winds from the ENE on Tue afternoon, light winds from the N by Thu night). | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
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) | S 13 | S 13 | E 8 | S 13 | S 13 | S 13 | S 12 | SW 16 | SW 16 | SW 16 | E 8 | E 8 | E 8 | SW 16 | SW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 165 | 119 | 119 | 119 | 119 | 116 | 103 | 69 | 129 | 130 | 100 | 103 | 82 | 129 | 142 | 204 | 207 | 207 | 200 | 184 | 177 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off | off | off | cross-off | off | glassy | cross-off |
High Tide | 8:59AM0.51m | 7:16PM0.30m | 10:13AM0.53m | 11:25AM0.56m | 10:11PM0.21m | ||||||||||||||||
Low Tide | 3:56PM0.27m | 2:01AM0.10m | 2:47AM0.12m | 8:27PM0.20m | |||||||||||||||||
 | | |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 24 | 23 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | E 8 | S 13 | S 13 | S 13 | S 12 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 7 |
| kJ | 165 | 119 | 119 | 119 | 119 | 116 | 103 | 147 | 109 | 84 | 84 | 82 | 82 | 80 | 80 | 76 | 55 | 54 | 54 | 54 | 111 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 18 | S 13 | SW 18 | SW 18 | SW 18 | W 12 | S 12 | SW 16 | NE 6 | S 12 | S 12 | S 12 | SW 16 | NE 6 | NE 6 | SSW 18 | NE 6 | NE 6 | NE 7 | SSW 16 |
| kJ | 74 | 78 | 119 | 80 | 80 | 79 | 25 | 69 | 129 | 32 | 45 | 45 | 45 | 129 | 39 | 39 | 207 | 32 | 33 | 36 | 177 |
Swell 3 Height (m) Direction Period (s) | E 9 | WSW 6 | SW 18 | W 13 | W 12 | W 12 | SW 18 | SW 16 | S 12 | SW 16 | SSW 16 | SSW 16 | SW 16 | S 12 | SW 17 | SSW 18 | NNE 7 | SSW 18 | SSW 17 | SSW 17 | S 11 |
| kJ | 15 | 4 | 80 | 29 | 26 | 25 | 49 | 67 | 44 | 130 | 100 | 103 | 66 | 45 | 142 | 204 | 30 | 207 | 200 | 184 | 22 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | NE 6 | — | NNE 6 | NNE 6 | NNE 6 | NE 6 | — | — | — | — | NE 7 | — | — |
| kJ | 163 | 160 | 41 | 151 | 151 | 155 | 155 | — | 43 | — | 26 | 26 | 26 | 39 | — | — | — | — | 51 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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