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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 Friday 24 Apr 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
25.1° C
(Which is slightly warmer than usual)How big are the waves at Castles Beach today?
The current surf forecast for Castles Beach at 1PM is: 1.1m 9s primary swell from a Northeast direction and 0.2m 7s secondary swell from a East-southeast direction (forecast issued at 07:00am April 24). An open ocean swell of 0.4m 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 (24 Apr) | 3ft (0.9m) | 10s |
| Afternoon (24 Apr) | 3.5ft (1.1m) | 9s |
| Evening (24 Apr) | 3.5ft (1.1m) | 9s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Warm (max 24°C on Sun morning, min 23°C on Fri morning). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Mon 27 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNE 10 | NNE 10 | NNE 9 | NE 9 | NE 9 | NE 9 | NE 5 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | |
137 | 175 | 96 | 183 | 206 | 202 | 152 | 267 | 373 | 383 | 333 | 304 | 205 | 216 | 223 | 264 | 239 | 210 | 186 | 186 | 229 | 223 | 248 | 229 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | on | on | |
High Tide | 9:47AM0.35m | 10:30PM0.74m | 11:27AM0.44m | 11:13PM0.72m | 12:17PM0.54m | 11:47PM0.70m | ||||||||||||||||||
Low Tide | 6:14AM0.32m | 2:20PM0.29m | 6:06AM0.28m | 4:13PM0.32m | 6:16AM0.24m | 5:31PM0.33m | ||||||||||||||||||
 |  |  | | |  |  |  | | | | | | | | | |  | | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | 6:01 |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:53 | — | — | 6:53 |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 |
21 | 21 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 22 | 23 | 24 | 24 | 23 | 24 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | NNE 10 | NNE 10 | NNE 9 | NW 11 | NNW 11 | NNW 13 | NW 12 | NNW 12 | NW 12 | NNW 12 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NE 8 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 |
 kJ | 137 | 175 | 96 | 31 | 23 | 67 | 73 | 56 | 68 | 99 | 183 | 175 | 175 | 172 | 164 | 149 | 149 | 210 | 149 | 142 | 135 | 130 | 126 | 123 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | NNW 12 | NW 11 | ESE 7 | ESE 7 | ESE 7 | S 10 | NW 15 | NW 15 | NW 15 | SSW 15 | SSW 16 | NNE 8 | NNE 8 | NNE 8 | SSW 15 | SSW 15 | NNW 12 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 53 | 53 | 33 | 5 | 5 | 5 | 2 | 55 | 54 | 55 | 23 | 24 | 23 | 24 | 14 | 22 | 21 | 187 | 21 | 21 | 21 | 20 | 20 | 19 |
Swell 3 Height (m) Direction Period (s) | ESE 8 | ESE 7 | ESE 7 | WNW 13 | NNW 14 | NW 12 | SW 13 | NW 12 | SSW 16 | SSW 16 | S 12 | S 9 | SSW 16 | SSW 16 | SSW 16 | S 9 | ESE 8 | SSW 15 | S 11 | NE 11 | S 13 | E 8 | S 13 | E 8 |
| kJ | 6 | 5 | 5 | 17 | 18 | 6 | 7 | 5 | 25 | 24 | 3 | 2 | 24 | 24 | 24 | 2 | 6 | 21 | 2 | 5 | 3 | 5 | 3 | 5 |
Wind waves Height (m) Direction Period (s) | ENE 5 | E 5 | NE 5 | NE 9 | NE 9 | NE 9 | NE 5 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | — | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 27 | 12 | 26 | 183 | 206 | 202 | 152 | 267 | 373 | 383 | 333 | 304 | 205 | 216 | 223 | 264 | 239 | — | 186 | 186 | 229 | 223 | 248 | 229 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 41 | 18 | 41 | 41 | 41 | 45 | 41 | 41 | 18 | 18 | 41 | 18 | 18 | 18 | 18 | 18 | 41 | 41 | 41 | 18 | 18 | 41 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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