Surf Forecasts:
How big are the waves at Castles Beach today (26 Sep):
- Morning surf: Morning surf (26 Sep, local time) - 11ft (3.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (26 Sep, local time) - 11ft (3.5m), 9s period with ENE swell.
- Evening surf: Evening surf (26 Sep, local time) - 13ft (4.0m), 9s period with ENE swell.
The current surf forecast for Castles Beach at 1PM is: 3.5m 9s primary swell from a East direction and 0.4m 11s secondary swell from a South-southeast direction (forecast issued at 07:00am September 26). An open ocean swell of 0.4m 17s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Sep) | 11ft (3.5m) | 9s |
| Afternoon (26 Sep) | 11ft (3.5m) | 9s |
| Evening (26 Sep) | 13ft (4.0m) | 9s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 24°C on Sat night). Winds decreasing (near gales from the ENE on Sat night, light winds from the ESE by Mon night). | |||||||||||||||||||||||
Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||||||||||
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 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1480 | 1708 | 1851 | 1872 | 1895 | 2303 | 2574 | 2934 | 3061 | 3386 | 2847 | 2551 | 2263 | 1971 | 1705 | 1440 | 1204 | 1031 | 1006 | 845 | 719 | 659 | 588 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 2:18AM0.71m | 2:07PM0.72m | 2:56AM0.76m | 2:28PM0.67m | 3:37AM0.79m | 2:47PM0.62m | |||||||||||||||||
Low Tide | 8:13AM0.24m | 8:26PM0.12m | 8:54AM0.28m | 8:49PM0.08m | 9:38AM0.34m | 9:15PM0.06m | |||||||||||||||||
 |  | | | | | | | |  | | | | | | | | | | | | | | |
 | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 21 | 20 | 22 | 20 | 20 | 19 | 19 | 18 | 17 | 19 | 20 | 21 | 22 | 21 | 22 | 22 | 21 | 22 | 24 | 25 | 25 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SE 11 | SSE 12 | SSE 11 | SE 11 | NW 15 | NW 15 | SSW 16 | SSW 15 | SSE 12 | SSE 11 | SSE 10 | NNW 16 | NNW 16 | NNW 16 | NNW 15 | NNW 14 | NNW 14 | NNW 14 | NNW 13 | NNW 13 |
| kJ | 47 | 48 | 48 | 33 | 52 | 48 | 30 | 54 | 54 | 47 | 45 | 56 | 93 | 86 | 151 | 226 | 220 | 196 | 180 | 173 | 121 | 114 | 111 |
Swell 2 Height (m) Direction Period (s) | N 9 | N 9 | SW 17 | SW 17 | NW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | NW 14 | NW 13 | NNW 18 | NNW 18 | NNW 18 | S 10 | S 9 | S 8 | S 8 | SSW 14 | SSW 13 | SSE 7 | SSE 7 | SSE 7 |
| kJ | 23 | 23 | 77 | 75 | 66 | 50 | 50 | 49 | 48 | 32 | 28 | 66 | 124 | 174 | 49 | 41 | 36 | 12 | 36 | 34 | 10 | 10 | 9 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | SSW 17 | N 9 | NW 16 | SW 16 | WNW 16 | WNW 15 | SE 10 | SSE 10 | NNW 20 | NNW 19 | SSW 15 | NW 13 | SSW 14 | NW 12 | SSW 14 | SSW 14 | SSW 14 | SSE 7 | SSE 8 | E 16 | E 15 | E 14 |
| kJ | 59 | 59 | 13 | 66 | 69 | 25 | 21 | 27 | 10 | 38 | 37 | 42 | 27 | 40 | 22 | 38 | 38 | 38 | 10 | 11 | 45 | 38 | 37 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 1480 | 1708 | 1851 | 1872 | 1895 | 2303 | 2574 | 2934 | 3061 | 3386 | 2847 | 2551 | 2263 | 1971 | 1705 | 1440 | 1204 | 1031 | 1006 | 845 | 719 | 659 | 588 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 125 | 125 | 126 | 155 | 262 | 254 | 254 | 155 | 155 | 155 | 154 | 154 | 145 | 126 | 125 | 125 | 123 | 123 | 56 | 43 | 41 | 41 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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