Surf Forecasts:
How big are the waves at Castles Beach today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 6.5ft (2.0m), 10s period with E swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 6ft (1.9m), 10s period with E swell.
- Evening surf: Evening surf (23 Sep, local time) - 6ft (1.9m), 9s period with E swell.
The current surf forecast for Castles Beach at 7PM is: 1.9m 9s primary swell from a East direction and 0.3m 12s secondary swell from a South direction (forecast issued at 01:00pm September 23). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 6.5ft (2.0m) | 10s |
| Afternoon (23 Sep) | 6ft (1.9m) | 10s |
| Evening (23 Sep) | 6ft (1.9m) | 9s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu night. Warm (max 26°C on Wed afternoon, min 25°C on Wed night). Mainly strong winds. | |||||||||||||||||||||
Wed 23 | Thursday 24 | Friday 25 | |||||||||||||||||||
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) | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 755 | 669 | 655 | 627 | 650 | 635 | 607 | 565 | 551 | 523 | 588 | 573 | 601 | 745 | 699 | 756 | 816 | 890 | 890 | 935 | 970 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:05PM0.78m | 1:05AM0.57m | 1:26PM0.78m | 1:41AM0.64m | 1:47PM0.75m | ||||||||||||||||
Low Tide | 7:36PM0.25m | 6:53AM0.19m | 7:49PM0.21m | 7:33AM0.21m | 8:06PM0.16m | ||||||||||||||||
 |  | |  | | | | | | | | | |  | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 |
Feels °C | 25 | 24 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 23 | 21 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | 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 | N 9 | N 9 | N 9 | NNW 9 | NNW 9 | SSE 10 | SSE 10 | SSE 11 |
| kJ | 80 | 80 | 77 | 75 | 55 | 75 | 75 | 51 | 80 | 49 | 49 | 47 | 45 | 43 | 42 | 42 | 27 | 27 | 35 | 43 | 46 |
Swell 2 Height (m) Direction Period (s) | 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 | SW 17 | SW 16 | SSE 10 | SSE 11 | SSE 11 | NNW 9 | NNW 9 | N 9 |
| kJ | 29 | 28 | 27 | 26 | 26 | 27 | 12 | 22 | 25 | 23 | 59 | 58 | 24 | 75 | 68 | 20 | 39 | 39 | 26 | 25 | 23 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 16 | SSW 16 | N 12 | SSW 16 | SSW 16 | SSW 16 | S 12 | S 12 | S 12 | E 12 | E 12 | S 12 | SSE 11 | SW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 29 | 28 | 26 | 25 | 11 | 24 | 25 | 25 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 40 | 24 | 21 | 24 | 23 | 45 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 755 | 669 | 655 | 627 | 650 | 635 | 607 | 565 | 551 | 523 | 588 | 573 | 601 | 745 | 699 | 756 | 816 | 890 | 890 | 935 | 970 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 41 | 45 | 47 | 41 | 41 | 41 | 41 | 41 | 123 | 45 | 50 | 47 | 123 | 123 | 125 | 154 | 51 | 51 | 213 | 125 | 205 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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