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 (1.8m), 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 1PM is: 1.7m 7s primary swell from a East-northeast direction and 0.2m 16s secondary swell from a South-southwest direction, 0.2m 15s secondary swell from a South-southeast direction (forecast issued at 07:00am August 22). 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 (1.8m) | 7s |
| Evening (22 Aug) | 6.5ft (2.0m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 25°C on Sat morning). Mainly fresh winds. | |||||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 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 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 175 | 200 | 247 | 308 | 317 | 352 | 388 | 393 | 355 | 317 | 308 | 253 | 230 | 230 | 284 | 290 | 273 | 297 | 259 | 251 | 232 | 239 | 276 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 12:42PM0.74m | 9:57PM0.37m | 1:10PM0.78m | 11:42PM0.41m | 1:34PM0.81m | ||||||||||||||||||
Low Tide | 3:54AM0.21m | 9:32PM0.37m | 5:06AM0.18m | 8:28PM0.36m | 5:55AM0.14m | 8:26PM0.35m | |||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 25 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 23 | 24 | 26 | 26 | 26 | 26 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSE 14 | SSE 15 | SSW 16 | SSW 16 | SSW 16 | WNW 13 | WNW 12 | WNW 12 | SSE 14 | SSE 13 | SSE 13 | WNW 10 | SSE 13 | SSE 13 | ESE 9 | NW 11 | NW 11 | SSE 12 | SSE 12 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 51 | 38 | 42 | 25 | 25 | 24 | 17 | 30 | 28 | 36 | 35 | 35 | 11 | 34 | 34 | 32 | 31 | 30 | 30 | 29 | 35 | 17 | 17 |
Swell 2 Height (m) Direction Period (s) | S 13 | SSW 16 | SSW 16 | SSE 15 | S 12 | S 12 | SSW 16 | SSE 14 | SSE 14 | WNW 12 | WNW 11 | WNW 11 | SSE 13 | NW 10 | SSW 15 | NW 12 | SSE 13 | SSE 13 | NW 11 | SSW 13 | SSE 12 | SSE 12 | SSE 12 |
| kJ | 13 | 26 | 26 | 21 | 12 | 12 | 24 | 41 | 39 | 26 | 12 | 11 | 17 | 16 | 21 | 35 | 33 | 32 | 18 | 35 | 14 | 14 | 14 |
Swell 3 Height (m) Direction Period (s) | SSE 16 | SE 8 | S 10 | S 12 | SSE 15 | WNW 14 | S 12 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | WNW 10 | SSE 13 | SSW 14 | SSW 14 | SSW 14 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 24 | 2 | 2 | 11 | 21 | 19 | 11 | 24 | 24 | 24 | 24 | 23 | 22 | 21 | 10 | 33 | 21 | 20 | 19 | 11 | 10 | 10 | 9 |
Wind waves Height (m) Direction Period (s) | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 175 | 200 | 247 | 308 | 317 | 352 | 388 | 393 | 355 | 317 | 308 | 253 | 230 | 230 | 284 | 290 | 273 | 297 | 259 | 251 | 232 | 239 | 276 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 41 | 41 | 45 | 47 | 42 | 45 | 45 | 42 | 41 | 45 | 47 | 47 | 45 | 42 | 45 | 45 | 45 | 45 | 45 | 41 | 41 | 41 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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