Surf Forecasts:
How big are the waves at Castles Beach today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 5ft (1.5m), 7s period with E swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 6ft (1.9m), 7s period with ENE swell.
- Evening surf: Evening surf (22 Aug, local time) - 6.5ft (2.0m), 7s period with E swell.
The current surf forecast for Castles Beach at 1AM is: 1.4m 7s primary swell from a East-northeast direction and 0.3m 8s secondary swell from a East-southeast direction, 0.3m 16s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 21). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 5ft (1.5m) | 7s |
| Afternoon (22 Aug) | 6ft (1.9m) | 7s |
| Evening (22 Aug) | 6.5ft (2.0m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sun night. Warm (max 27°C on Fri night, min 25°C on Sat morning). Mainly fresh winds. | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
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) | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 109 | 136 | 171 | 158 | 158 | 180 | 239 | 342 | 362 | 388 | 427 | 452 | 393 | 326 | 276 | 289 | 272 | 293 | 293 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 12:42PM0.74m | 9:57PM0.37m | 1:10PM0.78m | ||||||||||||||||
Low Tide | 3:54AM0.21m | 9:32PM0.37m | 5:06AM0.18m | 8:28PM0.36m | |||||||||||||||
 |  | | | |  | | | | | |  | | | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
Feels °C | 29 | 28 | 27 | 26 | 27 | 25 | 25 | 25 | 25 | 25 | 23 | 23 | 24 | 23 | 22 | 23 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | SSW 16 | ESE 8 | ESE 8 | SSE 14 | SSE 15 | SSW 16 | SSW 16 | SSW 16 | WNW 13 | WNW 12 | WNW 12 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSE 13 | SSE 13 |
| kJ | 7 | 7 | 25 | 14 | 21 | 38 | 42 | 25 | 25 | 24 | 17 | 30 | 28 | 49 | 68 | 49 | 49 | 34 | 34 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSE 15 | S 12 | WNW 14 | SSW 16 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSW 15 | SSW 15 |
| kJ | 25 | 25 | 19 | 50 | 51 | 26 | 26 | 21 | 12 | 19 | 24 | 41 | 39 | 36 | 35 | 35 | 17 | 21 | 21 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SSE 8 | S 13 | S 13 | S 13 | S 8 | S 8 | S 12 | SSE 15 | S 12 | S 12 | SSW 16 | SSW 16 | WNW 12 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 7 | 7 | 14 | 14 | 13 | 1 | 1 | 11 | 21 | 12 | 11 | 24 | 24 | 26 | 12 | 11 | 11 | 10 | 10 |
Wind waves Height (m) Direction Period (s) | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
| kJ | 109 | 136 | 171 | 158 | 158 | 180 | 239 | 342 | 362 | 388 | 427 | 452 | 393 | 326 | 276 | 289 | 272 | 293 | 293 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 18 | 18 | 41 | 41 | 18 | 41 | 45 | 45 | 47 | 45 | 45 | 45 | 45 | 45 | 49 | 49 | 52 | 49 | 45 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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