Surf Forecasts:
How big are the waves at Castles Beach today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 4.5ft (1.3m), 7s period with E swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 4ft (1.2m), 7s period with ENE swell.
- Evening surf: Evening surf (11 Aug, local time) - 4.5ft (1.3m), 7s period with ENE swell.
The current surf forecast for Castles Beach at 2PM is: 1.2m 7s primary swell from a East-northeast direction and 0.3m 14s secondary swell from a South-southwest direction (forecast issued at 07:00am August 11). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 4.5ft (1.3m) | 7s |
| Afternoon (11 Aug) | 4ft (1.2m) | 7s |
| Evening (11 Aug) | 4.5ft (1.3m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Tue morning, min 25°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||||||
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 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | S 18 | S 18 | S 18 | ENE 6 | ENE 6 | S 16 | S 16 | S 16 | S 16 | ENE 6 | ENE 6 | ENE 6 | ENE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 146 | 181 | 181 | 160 | 160 | 160 | 186 | 181 | 161 | 161 | 165 | 221 | 160 | 164 | 205 | 257 | 254 | 251 | 183 | 201 | 195 | 226 | 268 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | 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 |
High Tide | 2:32PM0.94m | 1:46AM0.51m | 3:03PM0.92m | 2:34AM0.55m | 3:30PM0.88m | ||||||||||||||||||
Low Tide | 7:06AM0.01m | 9:13PM0.30m | 7:51AM0.03m | 9:36PM0.27m | 8:33AM0.07m | 9:59PM0.24m | |||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 24 | 24 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | 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 |
| kJ | 12 | 11 | 42 | 41 | 40 | 37 | 37 | 62 | 60 | 111 | 155 | 221 | 152 | 148 | 132 | 257 | 254 | 251 | 183 | 174 | 161 | 159 | 159 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | S 20 | S 20 | S 19 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NW 7 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 |
| kJ | 44 | 43 | 11 | 11 | 5 | 5 | 67 | 119 | 118 | 58 | 55 | 55 | 55 | 55 | 55 | 2 | 8 | 8 | 7 | 6 | 6 | 6 | 5 |
Swell 3 Height (m) Direction Period (s) | NE 8 | SSE 9 | S 11 | SSE 9 | SSE 9 | SSE 9 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NW 7 | SE 9 | SE 9 | S 9 | S 9 | SE 9 | S 9 | NE 11 | NE 11 |
| kJ | 9 | 8 | 10 | 8 | 8 | 8 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 2 | 3 | 3 | 2 | 2 | 3 | 2 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 |
| kJ | 146 | 181 | 181 | 160 | 160 | 160 | 186 | 181 | 161 | 161 | 165 | 147 | 160 | 164 | 205 | 188 | 170 | 170 | 170 | 201 | 195 | 226 | 268 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 41 | 41 | 41 | 41 | 18 | 18 | 41 | 41 | 41 | 41 | 41 | 45 | 41 | 41 | 41 | 18 | 41 | 41 | 123 | 123 | 41 | 41 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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