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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 am Sunday 30 Nov 2025 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
25.8° 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 9AM is: 0.9m 8s primary swell from a East-southeast direction and 0.7m 8s secondary swell from a East direction (forecast issued at 07:00am November 30). An open ocean swell of 2.4m 17s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Nov) | 3ft (0.9m) | 8s |
| Afternoon (30 Nov) | 2.5ft (0.8m) | 8s |
| Evening (30 Nov) | 2.5ft (0.8m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 30 | Monday 01 | Tuesday 02 | Wed 03 | |||||||||||||||||||||
| 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 | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 118 | 103 | 47 | 68 | 61 | 84 | 63 | 46 | 46 | 46 | 45 | 31 | 30 | 42 | 29 | 29 | 41 | 19 | 54 | 39 | 27 | 26 | 16 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | glass | glass | glass | glass | on | on | on | on | on | on | on | on | on | on | cross- on | on | glass | glass |
High Tide / height (m) | 10:04AM 0.63 | 12:29AM 0.73 | 10:48AM 0.58 | 1:11AM 0.84 | 11:31AM 0.54 | 1:54AM 0.93 | ||||||||||||||||||
Low Tide / height (m) | 4:51AM 0.45 | 5:09PM 0.12 | 6:20AM 0.44 | 5:41PM 0.05 | 7:31AM 0.42 | 6:17PM -0.01 | ||||||||||||||||||
Sunday 30 | Monday 01 | Tuesday 02 | Wed 03 | |||||||||||||||||||||
| Sunrise | - | 6:50 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - |
 |  | | | | |  | | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 |
| Feels °C (?) | 25 | 24 | 23 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 24 | 25 | 24 | 24 | 24 | 25 | 27 | 25 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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