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 7AM is: 1.3m 7s primary swell from a East direction and 0.4m 19s secondary swell from a South direction, 0.4m 13s secondary swell from a South-southwest direction (forecast issued at 01:00am August 12). The wind direction is predicted to be 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 ForecastSome drizzle, heaviest during Fri night. Warm (max 26°C on Wed afternoon, min 25°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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 | 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 | E 7 | E 7 | S 18 | S 18 | ENE 7 | ENE 6 | ENE 6 | S 16 | S 16 | S 16 | S 16 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 181 | 171 | 157 | 170 | 221 | 158 | 150 | 155 | 257 | 254 | 251 | 183 | 201 | 226 | 268 | 307 | 371 | 345 | 345 | 366 | 368 | 463 | 511 | 526 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | 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 | 1:46AM0.51m | 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 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 25 | 24 | 24 | 23 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 22 | 24 | 23 | 23 | 24 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | 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 | 62 | 61 | 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 20 | 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 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | ESE 10 | ESE 10 | NNW 8 | NNW 8 | NNW 8 |
| kJ | 119 | 118 | 58 | 55 | 55 | 55 | 55 | 55 | 5 | 8 | 8 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 33 | 35 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NW 7 | SE 9 | S 9 | SE 9 | S 9 | SE 9 | S 9 | NE 11 | S 18 | S 18 | — | — | NNW 8 | NNW 8 | S 17 | SW 18 | SW 18 |
| kJ | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 3 | 2 | 3 | 2 | 3 | 2 | 5 | 7 | 6 | — | — | 6 | 6 | 6 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | ENE 6 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
| kJ | 181 | 171 | 157 | 170 | 157 | 158 | 150 | 155 | 188 | 188 | 170 | 170 | 201 | 226 | 268 | 307 | 371 | 345 | 345 | 366 | 368 | 463 | 511 | 526 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 41 | 18 | 41 | 41 | 41 | 123 | 41 | 41 | 19 | 18 | 41 | 49 | 49 | 49 | 41 | 41 | 41 | 41 | 45 | 49 | 123 | 128 | 41 | 45 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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