Surf Forecasts:
How big are the waves at Castles Beach today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 5ft (1.6m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 5ft (1.6m), 7s period with ENE swell.
- Evening surf: Evening surf (09 Aug, local time) - 5ft (1.6m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 6PM is: 1.6m 8s primary swell from a East-northeast direction and 0.2m 17s secondary swell from a South direction (forecast issued at 01:00pm August 09). An open ocean swell of 0.3m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 5ft (1.6m) | 7s |
| Afternoon (09 Aug) | 5ft (1.6m) | 7s |
| Evening (09 Aug) | 5ft (1.6m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sun afternoon, min 25°C on Sun afternoon). Wind will be generally light. | |||||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | |||||||||||||||||||
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) | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 215 | 252 | 273 | 287 | 319 | 293 | 285 | 265 | 202 | 202 | 253 | 234 | 220 | 214 | 214 | 214 | 208 | 208 | 186 | 214 | 170 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on |
High Tide | 1:22PM0.90m | 11:49PM0.42m | 1:59PM0.94m | 00:53AM0.47m | 2:32PM0.94m | ||||||||||||||||
Low Tide | 8:36PM0.37m | 6:16AM0.03m | 8:52PM0.34m | 7:06AM0.01m | 9:13PM0.30m | ||||||||||||||||
 |  | |  | | | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | 7:05 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 26 | 26 | 25 | 25 | 24 | 25 | 25 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | SSW 15 | NNW 8 | SSW 15 | NNW 8 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 13 | 24 | 23 | 35 | 33 | 33 | 31 | 28 | 27 | 26 | 24 | 23 | 46 | 13 | 44 | 11 | 42 | 41 | 40 | 37 | 37 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | S 18 | S 18 | SSW 16 | SSW 16 | NE 9 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | NNW 8 | SSW 15 | NNW 8 | SSW 15 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | S 20 |
| kJ | 17 | 24 | 24 | 52 | 50 | 12 | 49 | 50 | 49 | 45 | 45 | 46 | 13 | 44 | 12 | 44 | 11 | 11 | 5 | 5 | 67 |
Swell 3 Height (m) Direction Period (s) | N 12 | SSW 13 | SSW 12 | SSE 10 | SSE 10 | S 16 | NE 9 | NE 8 | NE 8 | NNE 8 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 11 | SSE 9 | SSE 9 | S 11 | NNW 7 |
| kJ | 11 | 17 | 15 | 9 | 9 | 20 | 12 | 11 | 11 | 7 | 9 | 9 | 9 | 8 | 8 | 8 | 10 | 8 | 8 | 9 | 5 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 |
| kJ | 215 | 252 | 273 | 287 | 319 | 293 | 285 | 265 | 202 | 202 | 253 | 234 | 220 | 214 | 214 | 214 | 208 | 208 | 186 | 214 | 170 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 41 | 41 | 41 | 41 | 41 | 41 | 19 | 18 | 41 | 41 | 41 | 18 | 18 | 18 | 18 | 41 | 41 | 41 | 41 | 41 | 19 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castles Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest