Surf Forecasts:
How big are the waves at Castles Beach today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 6ft (1.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 6ft (1.9m), 6s period with ENE swell.
- Evening surf: Evening surf (23 Aug, local time) - 6ft (1.9m), 7s period with ENE swell.
The current surf forecast for Castles Beach at 1AM is: 2.0m 7s primary swell from a East direction and 0.3m 14s secondary swell from a South-southeast direction (forecast issued at 07:00pm August 22). An open ocean swell of 0.3m 13s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 6ft (1.8m) | 7s |
| Afternoon (23 Aug) | 6ft (1.9m) | 6s |
| Evening (23 Aug) | 6ft (1.9m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Warm (max 26°C on Sun morning, min 25°C on Sat night). Mainly fresh winds. | |||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | |||||||||||||||||
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 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 6 | E 7 | E 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 327 | 374 | 435 | 400 | 362 | 317 | 307 | 269 | 320 | 322 | 312 | 312 | 282 | 284 | 307 | 316 | 293 | 258 | 258 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on |
High Tide | 9:57PM0.37m | 1:10PM0.78m | 11:42PM0.41m | 1:34PM0.81m | |||||||||||||||
Low Tide | 9:32PM0.37m | 5:06AM0.18m | 8:28PM0.36m | 5:55AM0.14m | 8:26PM0.35m | ||||||||||||||
 |  |  | | |  | |  | | | | | | | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 23 | 25 | 25 | 23 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | WNW 13 | WNW 12 | WNW 12 | SSE 14 | SSE 13 | ESE 9 | ESE 10 | NW 10 | SSE 13 | NW 12 | ESE 9 | NW 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSW 13 |
| kJ | 25 | 24 | 17 | 30 | 28 | 36 | 35 | 34 | 31 | 16 | 34 | 35 | 33 | 30 | 30 | 29 | 28 | 28 | 34 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | SSW 16 | SSE 14 | SSE 14 | WNW 12 | WNW 11 | SSE 13 | WNW 10 | SSE 13 | SSW 15 | SSE 13 | NW 11 | SSE 13 | NW 11 | SSW 13 | SSW 13 | SSW 13 | SSE 12 |
| kJ | 12 | 12 | 24 | 41 | 39 | 26 | 12 | 35 | 11 | 34 | 21 | 34 | 31 | 32 | 18 | 35 | 35 | 35 | 14 |
Swell 3 Height (m) Direction Period (s) | SSE 15 | WNW 14 | S 12 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | WNW 11 | SSE 13 | ESE 9 | WNW 10 | SSW 14 | SSE 13 | SSW 14 | SSW 14 | WNW 10 | WNW 10 | WNW 10 | SSE 7 |
| kJ | 21 | 19 | 11 | 24 | 24 | 24 | 24 | 11 | 18 | 8 | 10 | 41 | 33 | 20 | 19 | 11 | 10 | 10 | 5 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 6 | E 7 | E 7 | E 7 | E 7 |
| kJ | 327 | 374 | 435 | 400 | 362 | 317 | 307 | 269 | 320 | 322 | 312 | 312 | 282 | 284 | 307 | 316 | 293 | 258 | 258 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 47 | 42 | 45 | 45 | 41 | 41 | 45 | 123 | 52 | 45 | 45 | 45 | 41 | 45 | 45 | 45 | 41 | 41 | 41 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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