Surf Forecasts:
How big are the waves at Castles Beach today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 5ft (1.6m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Evening surf: Evening surf (22 Sep, local time) - 7ft (2.1m), 7s period with E swell.
The current surf forecast for Castles Beach at 4PM is: 1.7m 8s primary swell from a East-northeast direction and 0.3m 13s secondary swell from a South direction (forecast issued at 01:00pm September 22). An open ocean swell of 0.7m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Sep) | 5ft (1.6m) | 8s |
| Afternoon (22 Sep) | 5.5ft (1.7m) | 8s |
| Evening (22 Sep) | 7ft (2.1m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu morning. Warm (max 26°C on Tue afternoon, min 25°C on Tue night). Mainly strong winds. | |||||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | E 7 | E 8 | E 9 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 6 | ENE 7 | E 8 | E 8 | E 8 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 330 | 359 | 448 | 439 | 634 | 731 | 813 | 830 | 755 | 739 | 641 | 614 | 601 | 588 | 517 | 312 | 385 | 510 | 523 | 523 | 501 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 12:44PM0.77m | 00:30AM0.50m | 1:05PM0.78m | 1:05AM0.57m | 1:26PM0.78m | ||||||||||||||||
Low Tide | 7:28PM0.29m | 6:13AM0.19m | 7:36PM0.25m | 6:53AM0.19m | 7:49PM0.21m | ||||||||||||||||
 |  | |  |  | | | | | |  | | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 26 | 26 | 26 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 25 | 22 | 23 | 23 | 24 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | N 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | N 10 | N 10 | N 10 | N 10 | N 9 |
| kJ | 141 | 145 | 133 | 126 | 123 | 121 | 112 | 82 | 82 | 80 | 77 | 75 | 55 | 75 | 75 | 51 | 80 | 49 | 49 | 47 | 45 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | N 11 | SSW 16 | SSW 15 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 33 | 51 | 28 | 26 | 26 | 27 | 29 | 30 | 29 | 28 | 27 | 26 | 26 | 27 | 27 | 22 | 25 | 23 | 59 | 58 | 24 |
Swell 3 Height (m) Direction Period (s) | S 16 | SW 19 | SW 19 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | N 12 | SSW 16 | SSW 16 | S 12 | S 12 | S 12 | S 12 | S 12 | E 12 |
| kJ | 5 | 14 | 14 | 12 | 11 | 12 | 12 | 12 | 29 | 28 | 26 | 25 | 11 | 24 | 25 | 12 | 11 | 11 | 11 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | E 7 | E 8 | E 9 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 6 | ENE 7 | E 8 | E 8 | E 8 | E 7 |
| kJ | 330 | 359 | 448 | 439 | 634 | 731 | 813 | 830 | 755 | 739 | 641 | 614 | 601 | 588 | 517 | 312 | 385 | 510 | 523 | 523 | 501 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 18 | 18 | 41 | 42 | 42 | 45 | 41 | 41 | 41 | 41 | 45 | 45 | 47 | 41 | 41 | 41 | 41 | 47 | 47 | 47 | 51 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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