Surf Forecasts:
How big are the waves at Castles Beach today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 4ft (1.2m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 2.5ft (0.7m), 13s period with E swell.
- Evening surf: Evening surf (09 Sep, local time) - 3.5ft (1.1m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 3AM is: 1.4m 10s primary swell from a East-northeast direction and 0.6m 14s secondary swell from a East direction (forecast issued at 07:00pm September 08). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 4ft (1.2m) | 9s |
| Afternoon (09 Sep) | 2.5ft (0.7m) | 13s |
| Evening (09 Sep) | 3.5ft (1.1m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Thu morning. Warm (max 27°C on Tue night, min 25°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Tue 8 | Wednesday 9 | Thursday 10 | |||||||||||||||||
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 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | E 13 | E 13 | ENE 8 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 759 | 673 | 551 | 378 | 314 | 221 | 211 | 168 | 168 | 161 | 228 | 269 | 261 | 328 | 294 | 254 | 240 | 206 | 181 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | glassy | glassy | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | on | cross-on |
High Tide | 1:08AM0.54m | 1:55PM0.86m | 1:52AM0.61m | 2:20PM0.82m | |||||||||||||||
Low Tide | 8:04PM0.27m | 7:02AM0.11m | 8:22PM0.23m | 7:46AM0.14m | 8:42PM0.19m | ||||||||||||||
 |  | | | | |  | | | |  |  |  |  | | | | |  | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 3 | 1 | — | 1 | — | — |
Temp °C | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 31 | 28 | 28 | 28 | 26 | 26 | 27 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 |
| kJ | 759 | 673 | 551 | 378 | 314 | 221 | 211 | 150 | 140 | 161 | 155 | 199 | 110 | 106 | 104 | 104 | 72 | 99 | 96 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 8 | E 14 | E 14 | E 14 | E 13 | NW 11 | NW 10 | NW 10 | NW 9 | NW 9 | E 13 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | SSW 12 |
| kJ | 122 | 68 | 136 | 132 | 132 | 173 | 110 | 115 | 110 | 106 | 65 | 158 | 32 | 21 | 21 | 21 | 13 | 12 | 29 |
Swell 3 Height (m) Direction Period (s) | E 14 | E 14 | S 8 | S 8 | S 8 | SSW 14 | E 13 | E 13 | E 13 | E 13 | E 13 | NW 8 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | NW 9 |
| kJ | 97 | 148 | 47 | 32 | 20 | 66 | 168 | 168 | 168 | 119 | 158 | 57 | 34 | 33 | 33 | 33 | 32 | 30 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | 228 | 269 | 261 | 328 | 294 | 254 | 240 | 206 | 181 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 25 | 41 | 19 | 41 | 18 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Surf Rating (10 Max)
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