Surf Forecasts:
How big are the waves at Castles Beach today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 4ft (1.2m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 5ft (1.5m), 7s period with ENE swell.
- Evening surf: Evening surf (20 Jul, local time) - 5ft (1.5m), 7s period with ENE swell.
The current surf forecast for Castles Beach at 2AM is: 1.5m 7s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a Northeast direction, 0.3m 18s secondary swell from a South direction (forecast issued at 07:00pm July 19). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 4ft (1.2m) | 7s |
| Afternoon (20 Jul) | 5ft (1.5m) | 7s |
| Evening (20 Jul) | 5ft (1.5m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sun night. Warm (max 26°C on Mon afternoon, min 24°C on Wed morning). Mainly fresh winds. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | |||||||||||||||||
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 8 | ENE 7 | ENE 7 | ENE 7 | E 8 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 298 | 242 | 210 | 210 | 160 | 105 | 240 | 234 | 234 | 249 | 209 | 210 | 204 | 176 | 176 | 176 | 200 | 237 | 230 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 5:48PM0.68m | 8:04AM0.54m | 5:54PM0.61m | 10:10AM0.59m | 5:15PM0.56m | ||||||||||||||
Low Tide | 1:03AM0.23m | 12:17PM0.48m | 1:41AM0.22m | 2:38PM0.55m | |||||||||||||||
 |  |  |  | |  |  | | | | | | | | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | — | 1 | — | — | — | — | 1 | 1 | — | — | — | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | S 19 | NE 8 | NE 8 | NE 8 | NNE 6 | NNE 7 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 27 | 17 | 17 | 16 | 62 | 55 | 47 | 81 | 81 | 78 | 72 | 107 | 106 | 104 | 103 | 102 | 97 | 95 | 91 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | S 13 | S 18 | S 18 | S 17 | E 8 | S 13 | SW 18 | SW 18 | S 13 | S 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 14 | E 14 | E 13 |
| kJ | 15 | 31 | 56 | 55 | 53 | 49 | 31 | 13 | 12 | 29 | 29 | 12 | 12 | 11 | 25 | 24 | 37 | 33 | 85 |
Swell 3 Height (m) Direction Period (s) | S 6 | S 18 | S 11 | S 11 | SSW 11 | S 16 | SW 18 | E 14 | E 13 | E 13 | E 13 | SW 16 | SW 16 | E 16 | E 15 | E 15 | E 11 | E 11 | E 11 |
| kJ | 1 | 25 | 10 | 10 | 12 | 48 | 13 | 4 | 3 | 3 | 13 | 11 | 11 | 19 | 17 | 38 | 22 | 22 | 9 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 7 | ENE 7 | ENE 7 | E 8 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 298 | 242 | 210 | 210 | 160 | 105 | 240 | 234 | 234 | 249 | 209 | 210 | 204 | 176 | 176 | 176 | 200 | 237 | 230 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 126 | 18 | 18 | 18 | 18 | 18 | 18 | 41 | 41 | 41 | 41 | 18 | 18 | 41 | 41 | 41 | 41 | 41 | 41 |
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)
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