Surf Forecasts:
How big are the waves at Castles Beach today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 4.5ft (1.3m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 2ft (0.6m), 18s period with S swell.
- Evening surf: Evening surf (12 Aug, local time) - 5ft (1.5m), 6s period with ENE swell.
The current surf forecast for Castles Beach at 3PM is: 0.6m 18s primary swell from a South direction and 0.4m 13s secondary swell from a South-southwest direction, 1.3m 7s secondary swell from a East-northeast direction (forecast issued at 07:00am August 12). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 4.5ft (1.3m) | 7s |
| Afternoon (12 Aug) | 2ft (0.6m) | 18s |
| Evening (12 Aug) | 5ft (1.5m) | 6s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 26°C on Wed night, min 25°C on Wed morning). Mainly fresh winds. | |||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||||||||
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) | E 7 | ENE 7 | ENE 7 | S 18 | ENE 7 | ENE 6 | ENE 6 | S 16 | S 16 | S 16 | S 16 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 171 | 161 | 157 | 221 | 152 | 165 | 182 | 257 | 254 | 251 | 183 | 201 | 219 | 252 | 385 | 373 | 345 | 366 | 376 | 408 | 486 | 534 | 572 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:03PM0.92m | 2:34AM0.55m | 3:30PM0.88m | 3:21AM0.59m | 3:54PM0.82m | ||||||||||||||||||
Low Tide | 7:51AM0.03m | 9:36PM0.27m | 8:33AM0.07m | 9:59PM0.24m | 9:13AM0.15m | 10:23PM0.21m | |||||||||||||||||
 |  | | | |  | | | |  | | | | | | | | | | | | | | |
 | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 24 | 24 | 25 | 23 | 24 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | S 19 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 60 | 111 | 155 | 221 | 152 | 148 | 132 | 257 | 254 | 251 | 183 | 174 | 161 | 159 | 159 | 159 | 159 | 155 | 106 | 106 | 106 | 102 | 100 |
Swell 2 Height (m) Direction Period (s) | S 19 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NNW 7 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | E 9 | E 10 | NNW 8 | NNW 8 | NNW 8 |
| kJ | 118 | 58 | 55 | 55 | 55 | 55 | 55 | 5 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 44 | 53 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | SE 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 18 | S 18 | — | — | NNW 8 | NNW 8 | S 17 | SW 18 | SW 18 |
| kJ | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 7 | 6 | — | — | 6 | 6 | 6 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
| kJ | 171 | 161 | 157 | 157 | 152 | 165 | 182 | 182 | 165 | 165 | 170 | 201 | 219 | 252 | 385 | 373 | 345 | 366 | 376 | 408 | 486 | 534 | 572 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 41 | 41 | 41 | 123 | 41 | 41 | 41 | 18 | 41 | 41 | 123 | 123 | 41 | 41 | 41 | 41 | 45 | 49 | 123 | 123 | 42 | 42 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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