Surf Forecasts:
How big are the waves at Castles Beach today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 8ft (2.5m), 12s period with E swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 8ft (2.5m), 7s period with E swell.
- Evening surf: Evening surf (07 Sep, local time) - 7.5ft (2.3m), 8s period with E swell.
The current surf forecast for Castles Beach at 9PM is: 1.5m 12s primary swell from a East direction and 2.3m 8s secondary swell from a East direction (forecast issued at 01:00pm September 07). An open ocean swell of 0.9m 15s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 8ft (2.5m) | 12s |
| Afternoon (07 Sep) | 8ft (2.5m) | 7s |
| Evening (07 Sep) | 7.5ft (2.3m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Mon night. Warm (max 28°C on Tue morning, min 26°C on Tue night). Winds decreasing (strong winds from the SSE on Mon night, calm by Tue night). | |||||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | |||||||||||||||||||
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 7 | E 7 | E 7 | E 8 | E 12 | ENE 12 | S 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | E 13 | E 13 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 607 | 732 | 800 | 661 | 748 | 1302 | 1494 | 901 | 870 | 802 | 711 | 661 | 485 | 378 | 307 | 221 | 211 | 168 | 168 | 149 | 176 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | glassy | glassy | on | on | on | on | on |
High Tide | 12:55PM0.86m | 00:19AM0.47m | 1:27PM0.87m | 1:08AM0.54m | 1:55PM0.86m | ||||||||||||||||
Low Tide | 7:50PM0.31m | 6:14AM0.11m | 8:04PM0.27m | 7:02AM0.11m | 8:22PM0.23m | ||||||||||||||||
 | | |  | | |  |  | | | |  | | | | |  | | |  | | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | 6:40 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | 2 | 2 | 2 | 3 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 24 | 26 | 25 | 24 | 23 | 24 | 25 | 27 | 27 | 28 | 29 | 30 | 31 | 30 | 30 | 30 | 31 | 30 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | S 8 | SW 14 | SW 15 | E 12 | SSW 15 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | E 13 |
| kJ | 30 | 100 | 171 | 661 | 1222 | 1302 | 1066 | 901 | 870 | 802 | 711 | 661 | 485 | 378 | 307 | 221 | 211 | 147 | 117 | 149 | 158 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | S 8 | S 9 | SW 15 | E 12 | SW 14 | S 15 | S 15 | SSW 15 | SSW 15 | S 9 | S 8 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 | NW 8 |
| kJ | 49 | 32 | 39 | 360 | 650 | 834 | 115 | 112 | 75 | 74 | 122 | 66 | 136 | 132 | 132 | 173 | 168 | 168 | 168 | 119 | 31 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 17 | S 17 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | WNW 10 | E 14 | E 14 | S 8 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 10 |
| kJ | 92 | 93 | 93 | 146 | 17 | 14 | 14 | 14 | 14 | 10 | 97 | 148 | 46 | 50 | 36 | 58 | 33 | 57 | 32 | 31 | 25 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 8 | ESE 7 | SSE 7 | S 12 | S 10 | S 10 | S 9 | — | — | — | — | — | — | — | — | ENE 3 | — | ENE 8 |
| kJ | 607 | 732 | 800 | 585 | 748 | 607 | 1494 | 663 | 408 | 225 | — | — | — | — | — | — | — | — | 3 | — | 176 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 213 | 250 | 120 | 120 | 121 | 124 | 144 | 143 | 138 | 20 | 1 | 1 | 0 | 0 | 0 | 0 | 18 | 18 | 18 | 18 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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