Surf Forecasts:
How big are the waves at Castles Beach today (11 Oct):
- Morning surf: Morning surf (11 Oct, local time) - 1.5ft (0.5m), 18s period with S swell.
- Afternoon surf: Afternoon surf (11 Oct, local time) - 1.5ft (0.4m), 16s period with S swell.
- Evening surf: Evening surf (11 Oct, local time) - 1.5ft (0.4m), 16s period with S swell.
The current surf forecast for Castles Beach at 3PM is: 0.4m 16s primary swell from a South direction and 0.5m 12s secondary swell from a East direction, 0.8m 6s secondary swell from a East-northeast direction (forecast issued at 07:00am October 11). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Oct) | 1.5ft (0.5m) | 18s |
| Afternoon (11 Oct) | 1.5ft (0.4m) | 16s |
| Evening (11 Oct) | 1.5ft (0.4m) | 16s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue morning. Warm (max 25°C on Sun afternoon, min 24°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||
Sunday 11 | Monday 12 | Tuesday 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) | S 18 | S 18 | S 18 | S 16 | S 16 | S 16 | S 16 | S 16 | ENE 12 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 221 | 154 | 97 | 85 | 81 | 127 | 81 | 125 | 218 | 87 | 113 | 135 | 130 | 151 | 151 | 147 | 143 | 138 | 159 | 155 | 155 | 131 | 134 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on |
High Tide | 3:00AM0.81m | 2:09PM0.60m | 3:34AM0.82m | 2:24PM0.55m | 4:10AM0.80m | 2:35PM0.52m | |||||||||||||||||
Low Tide | 9:08AM0.33m | 8:29PM0.08m | 9:48AM0.37m | 8:51PM0.08m | 10:30AM0.41m | 9:14PM0.09m | |||||||||||||||||
 |  | | | | | | | | | | | | | | |  | |  | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — |
Temp °C | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 25 | 25 | 24 | 25 | 25 | 26 | 27 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 6 | 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 | ENE 8 | ENE 8 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 |
| kJ | 62 | 72 | 75 | 73 | 72 | 72 | 73 | 42 | 218 | 87 | 113 | 135 | 130 | 151 | 151 | 147 | 143 | 503 | 489 | 482 | 476 | 463 | 437 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | NNW 9 | NNW 9 | S 16 | S 16 | S 16 | E 12 | S 16 | ENE 12 | NNW 18 | NW 18 | NNW 16 | NNW 16 | NW 16 | NW 16 | NW 15 | ENE 10 | ENE 10 | S 13 | S 13 | NE 10 | NE 10 |
| kJ | 221 | 154 | 28 | 16 | 81 | 127 | 81 | 72 | 79 | 46 | 209 | 312 | 343 | 458 | 502 | 483 | 523 | 33 | 32 | 31 | 31 | 25 | 24 |
Swell 3 Height (m) Direction Period (s) | NNW 9 | NNW 9 | S 18 | S 16 | NNW 9 | NNW 9 | ESE 6 | S 16 | ESE 6 | NNW 18 | ENE 12 | S 15 | S 15 | S 15 | S 15 | S 14 | ENE 10 | S 13 | S 13 | NE 11 | NE 10 | S 13 | S 13 |
| kJ | 49 | 32 | 97 | 85 | 16 | 15 | 7 | 125 | 7 | 127 | 46 | 67 | 67 | 67 | 67 | 64 | 34 | 31 | 31 | 18 | 26 | 55 | 30 |
Wind waves Height (m) Direction Period (s) | — | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | — | — | — | — | — | — | — | — | — | — | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | — | 48 | 48 | 36 | 39 | 39 | 33 | — | — | — | — | — | — | — | — | — | — | 138 | 159 | 155 | 155 | 131 | 134 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 41 | 21 | 18 | 18 | 21 | 21 | 18 | 18 | 21 | 41 | 41 | 18 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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