Surf Forecasts:
How big are the waves at Castles Beach today (02 Oct):
- Morning surf: Morning surf (02 Oct, local time) - 3.5ft (1.1m), 6s period with E swell.
- Afternoon surf: Afternoon surf (02 Oct, local time) - 2.5ft (0.8m), 6s period with E swell.
- Evening surf: Evening surf (02 Oct, local time) - 3.5ft (1.0m), 7s period with E swell.
The current surf forecast for Castles Beach at 2AM is: 1.1m 7s primary swell from a East direction and 0.3m 12s secondary swell from a East direction (forecast issued at 07:00pm October 01). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Oct) | 3.5ft (1.1m) | 6s |
| Afternoon (02 Oct) | 2.5ft (0.8m) | 6s |
| Evening (02 Oct) | 3.5ft (1.0m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Thu night, min 25°C on Thu night). Winds increasing (light winds from the E on Fri afternoon, fresh winds from the ENE by Sat night). | |||||||||||||||||||
Thu 1 | Friday 2 | Saturday 3 | |||||||||||||||||
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 8 | E 8 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 5 | E 6 | E 6 | E 6 | E 6 | ENE 5 | ENE 8 | E 4 | E 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 138 | 142 | 138 | 127 | 99 | 96 | 61 | 40 | 64 | 103 | 56 | 64 | 69 | 66 | 62 | 45 | 115 | 39 | 52 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | cross-on |
High Tide | 8:00AM0.74m | 9:42AM0.75m | |||||||||||||||||
Low Tide | 11:00PM0.12m | 00:01AM0.17m | |||||||||||||||||
 |  |  | | |  |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 25 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 12 | E 8 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | E 6 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 |
| kJ | 52 | 47 | 138 | 56 | 56 | 75 | 92 | 40 | 83 | 83 | 83 | 80 | 80 | 78 | 76 | 74 | 53 | 50 | 49 |
Swell 2 Height (m) Direction Period (s) | S 5 | NW 10 | NNW 10 | E 12 | E 12 | E 12 | E 7 | NNW 9 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 12 |
| kJ | 5 | 23 | 38 | 25 | 44 | 44 | 38 | 88 | 34 | 33 | 31 | 30 | 30 | 31 | 31 | 28 | 25 | 25 | 27 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | S 5 | E 12 | SSW 14 | SSW 14 | SSW 14 | E 11 | E 7 | S 5 | SSE 5 | SSE 5 | SSE 5 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | NNW 14 |
| kJ | 19 | 5 | 45 | 40 | 39 | 38 | 23 | 37 | 5 | 6 | 5 | 3 | 10 | 10 | 9 | 9 | 9 | 9 | 18 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 6 | E 7 | E 6 | E 6 | E 6 | — | E 6 | E 7 | E 5 | E 6 | E 6 | E 6 | E 6 | ENE 5 | ENE 8 | E 4 | E 5 |
| kJ | 138 | 142 | 78 | 127 | 99 | 96 | 61 | — | 64 | 103 | 56 | 64 | 69 | 66 | 62 | 45 | 115 | 39 | 52 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 41 | 13 | 13 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 18 | 18 | 19 | 41 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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