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Castles Beach Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Castles Beach surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Thursday 19 Feb 2026 HSTForecast update in hr min s Forecast update imminent
Castles Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles Beach sea temperature is
24.3° C
(Which is normal for this time of year)How big are the waves at Castles Beach today?
The current surf forecast for Castles Beach at 11PM is: 3.0m 9s primary swell from a East-northeast direction and 0.8m 11s secondary swell from a Northeast direction (forecast issued at 07:00pm February 19). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Feb) | - | - |
| Afternoon (19 Feb) | 10ft (3.0m) | 9s |
| Evening (19 Feb) | 10ft (3.0m) | 9s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1263 | 1263 | 1263 | 1131 | 1143 | 702 | 1119 | 1228 | 1037 | 980 | 641 | 563 | 444 | 585 | 436 | 380 | 528 | 332 | 454 | 280 | 276 | 230 | 225 | 215 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | on | on | on | on | glass | on | on | glass | glass | cross- off | glass | glass | cross- off | off | glass | glass |
High Tide / height (m) | 4:03PM 0.64 | 4:03AM 0.75 | 4:51PM 0.66 | 4:19AM 0.69 | 5:49PM 0.66 | 4:30AM 0.63 | ||||||||||||||||||
Low Tide / height (m) | 9:48PM 0.23 | 10:33AM 0.16 | 10:29PM 0.32 | 11:01AM 0.14 | 11:16PM 0.42 | 11:33AM 0.14 | ||||||||||||||||||
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - |
| Sunset | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - |
 |  | |  | | | |  |  |  | | |  | | | | | |  | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | 2 | 1 | 2 | 3 | 4 | 7 | 3 | 2 | 1 | 2 | 2 | - | - | - | - | - | 1 |
| Temp. °C | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 |
| Feels °C (?) | 18 | 16 | 17 | 18 | 19 | 18 | 19 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 24 | 24 | 23 | 23 | 24 | 24 | 23 | 23 | 24 | 25 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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.
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