Surf Forecasts:
How big are the waves at Castles Beach today (09 Oct):
- Morning surf: Morning surf (09 Oct, local time) - 3.5ft (1.0m), 6s period with S swell.
- Afternoon surf: Afternoon surf (09 Oct, local time) - 2.5ft (0.7m), 6s period with E swell.
- Evening surf: Evening surf (09 Oct, local time) - 1.5ft (0.4m), 16s period with SSW swell.
The current surf forecast for Castles Beach at 1AM is: 1.0m 7s primary swell from a South-southeast direction and 0.8m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm October 08). An open ocean swell of 0.9m 11s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Oct) | 3.5ft (1.0m) | 6s |
| Afternoon (09 Oct) | 2.5ft (0.7m) | 6s |
| Evening (09 Oct) | 1.5ft (0.4m) | 16s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Thu night. Warm (max 27°C on Fri morning, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Thu 8 | Friday 9 | Saturday 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) | SSE 7 | SSE 7 | SSW 18 | S 6 | S 6 | S 6 | S 6 | E 6 | S 16 | SSW 16 | E 13 | E 13 | SSW 15 | E 6 | S 20 | S 20 | S 20 | E 12 | S 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 152 | 135 | 104 | 153 | 109 | 91 | 62 | 39 | 134 | 86 | 89 | 84 | 77 | 89 | 119 | 186 | 119 | 78 | 101 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross-off | cross | cross | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | on |
High Tide | 1:50AM0.72m | 1:30PM0.69m | 2:26AM0.78m | 1:50PM0.64m | |||||||||||||||
Low Tide | 7:30PM0.15m | 7:45AM0.27m | 7:49PM0.11m | 8:27AM0.30m | 8:09PM0.09m | ||||||||||||||
 |  | | |  |  | | | | |  | | |  | | | | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | 2 | 1 | 1 | 1 | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 26 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 144 | 199 | 179 | 200 | 192 | 189 | 192 | 196 | 196 | 242 | 247 | 286 | 281 | 234 | 206 | 163 | 114 | 111 | 77 |
Swell 2 Height (m) Direction Period (s) | ENE 12 | E 6 | E 6 | SSE 6 | E 7 | E 7 | E 6 | E 6 | E 6 | SSW 16 | E 13 | E 13 | E 12 | E 12 | E 13 | S 20 | E 12 | E 12 | E 12 |
| kJ | 46 | 19 | 30 | 55 | 47 | 45 | 41 | 39 | 28 | 86 | 89 | 84 | 77 | 80 | 84 | 186 | 76 | 73 | 73 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | E 7 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 16 | SSE 6 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | S 20 | E 13 | S 20 | S 19 | S 18 |
| kJ | 62 | 104 | 104 | 33 | 41 | 30 | 23 | 20 | 134 | 12 | 84 | 82 | 77 | 74 | 119 | 84 | 119 | 66 | 101 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | S 6 | S 6 | S 6 | S 6 | — | — | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 |
| kJ | 152 | 135 | 96 | 153 | 109 | 91 | 62 | — | — | 35 | 31 | 52 | 71 | 89 | 89 | 89 | 76 | 78 | 82 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 14 | 4 | 4 | 0 | 0 | 1 | 1 | 9 | 13 | 18 | 18 | 18 | 18 | 18 | 41 | 41 | 41 | 18 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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