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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 1 am Monday 01 Jun 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 normal for this time of year)How big are the waves at Castles Beach today (01 Jun):
- Morning surf: Morning surf (01 Jun, local time) - 4ft (1.2m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (01 Jun, local time) - 1.5ft (0.5m), 18s period with S swell.
- Evening surf: Evening surf (01 Jun, local time) - 4ft (1.2m), 7s period with ENE swell.
The current surf forecast for Castles Beach at 10AM is: 1.1m 8s primary swell from a East direction and 0.4m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am June 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 (01 Jun) | 4ft (1.2m) | 8s |
| Afternoon (01 Jun) | 1.5ft (0.5m) | 18s |
| Evening (01 Jun) | 4ft (1.2m) | 7s |
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 7mm), mostly falling on Mon night. Warm (max 24°C on Mon morning, min 23°C on Mon morning). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 1 | Tuesday 2 | Wednesday 3 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 7 | E 8 | ENE 8 | E 8 | S 18 | ENE 7 | ENE 7 | S 17 | S 16 | SSW 20 | S 20 | ENE 6 | S 19 | S 19 | S 18 | S 18 | S 18 | E 6 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | |
111 | 58 | 173 | 157 | 160 | 140 | 136 | 146 | 135 | 128 | 194 | 132 | 192 | 347 | 307 | 225 | 158 | 215 | 255 | 286 | 255 | 199 | 215 | 276 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 1:34AM0.45m | 4:05PM0.84m | 2:01AM0.44m | 4:42PM0.83m | 2:27AM0.43m | 5:19PM0.81m | ||||||||||||||||||
Low Tide | 8:16AM0.05m | 11:08PM0.41m | 8:48AM0.06m | 11:55PM0.41m | 9:19AM0.09m | |||||||||||||||||||
 |  |  | | | |  | | | |  | | | | | | | |  | | | |  | | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:09 | — | — |
2 | 1 | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 |
23 | 22 | 22 | 24 | 24 | 24 | 24 | 22 | 22 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 21 | 20 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | N 10 | N 10 | S 18 | N 9 | N 9 | E 8 | S 16 | SSW 20 | S 16 | S 16 | N 12 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | S 16 | S 16 | S 16 | S 16 | S 16 |
 kJ | 45 | 58 | 50 | 49 | 160 | 45 | 42 | 33 | 135 | 128 | 131 | 132 | 103 | 164 | 158 | 144 | 104 | 102 | 72 | 190 | 186 | 183 | 183 | 181 |
Swell 2 Height (m) Direction Period (s) | N 10 | N 10 | SSW 18 | ENE 7 | N 10 | SSW 18 | SSW 17 | S 17 | NNW 9 | NNW 9 | S 20 | N 12 | S 16 | S 19 | S 18 | S 18 | S 18 | S 17 | S 17 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 10 |
| kJ | 53 | 50 | 114 | 20 | 48 | 103 | 101 | 146 | 27 | 26 | 194 | 76 | 129 | 347 | 307 | 225 | 158 | 154 | 212 | 68 | 66 | 65 | 68 | 54 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | NE 7 | SSW 14 | SSW 18 | N 7 | SSW 13 | S 21 | NNW 9 | ESE 8 | SSW 16 | NNW 9 | SSW 20 | S 19 | S 9 | S 9 | SSW 14 | SSW 14 | SSW 14 | — | SE 10 | SE 10 | SSE 7 | SSE 7 | N 12 |
| kJ | 69 | 14 | 40 | 107 | 10 | 35 | 80 | 27 | 21 | 86 | 26 | 127 | 192 | 2 | 2 | 69 | 70 | 69 | — | 4 | 4 | 5 | 5 | 25 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 5 | ENE 8 | E 8 | E 7 | ENE 7 | ENE 7 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 |
| kJ | 111 | 38 | 173 | 157 | 134 | 140 | 136 | 66 | 87 | 109 | 118 | 122 | 113 | 121 | 135 | 135 | 155 | 215 | 255 | 286 | 255 | 199 | 215 | 276 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 41 | 41 | 18 | 18 | 18 | 41 | 41 | 18 | 41 | 18 | 18 | 41 | 41 | 42 | 45 | 41 | 45 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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