Surf Forecasts:
How big are the waves at Castles Beach today (10 Oct):
- Morning surf: Morning surf (10 Oct, local time) - 3.5ft (1.1m), 6s period with E swell.
- Afternoon surf: Afternoon surf (10 Oct, local time) - 1.5ft (0.5m), 20s period with S swell.
- Evening surf: Evening surf (10 Oct, local time) - 1.5ft (0.4m), 19s period with S swell.
The current surf forecast for Castles Beach at 11AM is: 0.4m 20s primary swell from a South direction and 0.5m 13s secondary swell from a East direction, 1.0m 6s secondary swell from a East direction (forecast issued at 07:00am October 10). An open ocean swell of 1.0m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Oct) | 3.5ft (1.1m) | 6s |
| Afternoon (10 Oct) | 1.5ft (0.5m) | 20s |
| Evening (10 Oct) | 1.5ft (0.4m) | 19s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 26°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Saturday 10 | Sunday 11 | Monday 12 | |||||||||||||||||||||
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) | SSW 15 | E 6 | S 20 | S 20 | S 20 | E 12 | S 18 | S 18 | S 18 | S 18 | S 18 | E 12 | S 16 | S 16 | S 16 | S 16 | ENE 12 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 77 | 89 | 119 | 186 | 119 | 78 | 101 | 154 | 221 | 154 | 97 | 73 | 81 | 127 | 81 | 125 | 265 | 116 | 138 | 138 | 163 | 155 | 151 |
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 | on | on | cross-on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | on | on |
High Tide | 2:26AM0.78m | 1:50PM0.64m | 3:00AM0.81m | 2:09PM0.60m | 3:34AM0.82m | 2:24PM0.55m | |||||||||||||||||
Low Tide | 8:27AM0.30m | 8:09PM0.09m | 9:08AM0.33m | 8:29PM0.08m | 9:48AM0.37m | 8:51PM0.08m | |||||||||||||||||
 |  | | | | |  | | |  | | | | | | | | | | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 26 | 25 | 27 | 26 | 25 | 25 | 24 | 23 | 24 | 23 | 24 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | S 18 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | ENE 6 | ENE 12 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 281 | 234 | 206 | 163 | 114 | 111 | 77 | 54 | 221 | 72 | 75 | 73 | 72 | 72 | 73 | 42 | 265 | 116 | 138 | 138 | 163 | 155 | 151 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 13 | S 20 | E 12 | E 12 | E 12 | S 18 | NNW 9 | S 18 | NNW 9 | NNW 9 | S 16 | S 16 | S 16 | E 12 | S 16 | E 12 | NNW 18 | NW 18 | NNW 16 | NW 16 | NNW 16 |
| kJ | 77 | 80 | 84 | 186 | 76 | 73 | 73 | 154 | 49 | 154 | 28 | 16 | 81 | 127 | 81 | 72 | 79 | 71 | 209 | 312 | 343 | 381 | 447 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSW 15 | S 20 | E 13 | S 20 | S 19 | S 18 | E 12 | E 12 | NNW 9 | S 18 | S 16 | NNW 9 | NNW 9 | ESE 6 | S 16 | NW 19 | NNW 18 | E 12 | S 15 | S 15 | S 15 | S 15 |
| kJ | 77 | 74 | 119 | 84 | 119 | 66 | 101 | 73 | 73 | 32 | 97 | 48 | 16 | 15 | 7 | 125 | 95 | 127 | 71 | 67 | 67 | 67 | 67 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | — | — | — | — | — | — | — | — |
| kJ | 71 | 89 | 76 | 76 | 78 | 78 | 80 | 92 | 77 | 61 | 59 | 59 | 50 | 41 | 33 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 18 | 41 | 41 | 18 | 18 | 18 | 18 | 18 | 18 | 41 | 41 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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