Surf Forecasts:
How big are the waves at Castles Beach today (01 Aug):
- Morning surf: Morning surf (01 Aug, local time) - 8ft (2.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (01 Aug, local time) - 8ft (2.5m), 8s period with ENE swell.
- Evening surf: Evening surf (01 Aug, local time) - 8ft (2.5m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 3AM is: 2.5m 8s primary swell from a East direction and 0.7m 15s secondary swell from a East direction (forecast issued at 07:00pm July 31). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Aug) | 8ft (2.5m) | 8s |
| Afternoon (01 Aug) | 8ft (2.5m) | 8s |
| Evening (01 Aug) | 8ft (2.5m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 25°C on Fri night, min 25°C on Fri night). Winds decreasing (strong winds from the ENE on Fri night, moderate winds from the ENE by Mon morning). | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||
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 8 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 458 | 529 | 718 | 817 | 881 | 890 | 902 | 871 | 824 | 844 | 908 | 908 | 864 | 801 | 699 | 722 | 650 | 634 | 604 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:06PM0.83m | 3:48AM0.54m | 4:25PM0.79m | 4:37AM0.55m | 4:43PM0.75m | ||||||||||||||
Low Tide | 10:40PM0.28m | 9:35AM0.18m | 11:03PM0.25m | 10:10AM0.26m | |||||||||||||||
 |  |  | | | |  | | | | | |  | | | | | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 24 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | E 16 | E 15 | E 15 | E 15 | E 14 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 |
| kJ | 231 | 222 | 213 | 205 | 202 | 205 | 205 | 199 | 196 | 199 | 199 | 194 | 138 | 191 | 138 | 136 | 134 | 127 | 84 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | SSW 14 | N 8 | SSW 14 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 |
| kJ | 12 | 12 | 11 | 11 | 11 | 5 | 19 | 4 | 18 | 9 | 18 | 17 | 17 | 16 | 26 | 25 | 14 | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | N 11 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | S 13 | S 13 |
| kJ | 26 | 25 | 25 | 11 | 11 | 11 | 10 | 10 | 9 | 18 | 19 | 19 | 20 | 20 | 19 | 18 | 7 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | E 8 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 458 | 529 | 718 | 817 | 881 | 890 | 902 | 871 | 824 | 844 | 908 | 908 | 864 | 801 | 699 | 722 | 650 | 634 | 604 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 49 | 47 | 54 | 128 | 50 | 51 | 125 | 145 | 123 | 45 | 51 | 47 | 45 | 45 | 50 | 126 | 154 | 126 | 45 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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