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 1PM is: 1.7m 8s primary swell from a East-northeast direction and 0.3m 13s secondary swell from a South-southwest direction (forecast issued at 07:00am 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 ForecastMostly dry. Warm (max 26°C on Tue morning, min 25°C on Tue night). Mainly strong winds. | |||||||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||
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) | ENE 8 | ENE 8 | 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 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 330 | 330 | 330 | 370 | 448 | 420 | 634 | 800 | 813 | 830 | 755 | 739 | 709 | 664 | 650 | 529 | 621 | 377 | 465 | 496 | 510 | 518 | 496 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-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 | 5:29AM0.21m | 7:28PM0.29m | 6:13AM0.19m | 7:36PM0.25m | 6:53AM0.19m | 7:49PM0.21m | |||||||||||||||||
 |  | | | | | | |  | | | | | | | | | | | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 27 | 27 | 26 | 26 | 24 | 24 | 24 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 24 | 22 | 22 | 23 | 23 | 24 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | N 13 | N 12 | 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 | 87 | 112 | 141 | 145 | 133 | 126 | 123 | 121 | 112 | 82 | 82 | 80 | 77 | 77 | 54 | 55 | 75 | 51 | 80 | 49 | 49 | 48 | 45 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | N 12 | S 12 | S 12 | N 11 | SSW 16 | S 12 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 57 | 56 | 33 | 51 | 28 | 26 | 26 | 27 | 29 | 30 | 29 | 28 | 27 | 26 | 25 | 27 | 27 | 22 | 25 | 11 | 59 | 58 | 24 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | SW 19 | SW 19 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | S 12 | SSW 16 | SSW 16 | S 12 | S 12 | SSW 15 | S 12 | S 12 | E 12 |
| kJ | 5 | 5 | 5 | 14 | 14 | 12 | 11 | 12 | 12 | 12 | 29 | 28 | 26 | 25 | 26 | 24 | 25 | 12 | 11 | 22 | 11 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | 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 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 |
| kJ | 330 | 330 | 330 | 370 | 448 | 420 | 634 | 800 | 813 | 830 | 755 | 739 | 709 | 664 | 650 | 529 | 621 | 377 | 465 | 496 | 510 | 518 | 496 |
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 | 49 | 47 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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