Surf Forecasts:
How big are the waves at Castles Beach today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 1ft (0.3m), 16s period with S swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 2.5ft (0.8m), 5s period with E swell.
- Evening surf: Evening surf (20 Jun, local time) - 1ft (0.3m), 15s period with S swell.
The current surf forecast for Castles Beach at 6AM is: 0.3m 16s primary swell from a South direction and 0.3m 13s secondary swell from a South direction, 0.9m 5s secondary swell from a East direction (forecast issued at 01:00am June 20). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 1ft (0.3m) | 16s |
| Afternoon (20 Jun) | 2.5ft (0.8m) | 5s |
| Evening (20 Jun) | 1ft (0.3m) | 15s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon morning. Warm (max 25°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 13 | S 16 | S 16 | E 5 | E 5 | S 15 | S 15 | S 15 | S 12 | S 14 | S 14 | S 20 | S 20 | E 7 | NE 8 | NE 12 | S 18 | S 18 | NE 11 | NE 11 | NE 11 | ENE 10 | ENE 10 | NE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 53 | 46 | 46 | 34 | 33 | 39 | 38 | 38 | 25 | 66 | 62 | 67 | 67 | 35 | 30 | 84 | 98 | 98 | 96 | 94 | 90 | 310 | 298 | 98 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | on |
High Tide | 6:59AM0.42m | 7:07PM0.72m | 9:04AM0.47m | 7:35PM0.65m | 10:54AM0.55m | 8:01PM0.59m | ||||||||||||||||||
Low Tide | 2:00AM0.30m | 11:46AM0.32m | 2:40AM0.26m | 12:55PM0.42m | 3:17AM0.23m | 3:03PM0.51m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | | | |  | | | | | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
Feels °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 22 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 15 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 12 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | N 7 | N 7 | NE 10 |
| kJ | 53 | 29 | 29 | 27 | 25 | 25 | 38 | 11 | 11 | 18 | 23 | 23 | 30 | 29 | 29 | 84 | 97 | 96 | 96 | 94 | 90 | 14 | 14 | 98 |
Swell 2 Height (m) Direction Period (s) | NW 8 | S 16 | S 16 | NW 8 | NW 8 | S 15 | S 12 | S 15 | S 12 | S 14 | S 14 | S 13 | S 13 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | S 16 | S 16 | N 7 |
| kJ | 11 | 46 | 46 | 11 | 11 | 39 | 25 | 38 | 25 | 66 | 62 | 56 | 55 | 10 | 10 | 10 | 9 | 15 | 15 | 15 | 15 | 46 | 46 | 15 |
Swell 3 Height (m) Direction Period (s) | S 16 | NW 8 | NW 8 | S 16 | S 16 | NW 8 | NE 8 | S 12 | ESE 7 | ESE 7 | NNW 8 | S 20 | S 20 | S 13 | S 13 | S 13 | S 18 | S 18 | S 12 | S 12 | S 16 | S 12 | S 12 | S 16 |
| kJ | 48 | 11 | 11 | 20 | 20 | 10 | 11 | 25 | 5 | 10 | 6 | 67 | 67 | 31 | 30 | 30 | 98 | 98 | 26 | 25 | 47 | 25 | 25 | 46 |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | E 5 | E 5 | E 5 | E 5 | ENE 4 | ENE 4 | ENE 4 | E 4 | E 4 | E 7 | E 7 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | E 4 | E 5 | E 6 | ENE 10 | ENE 10 | ENE 5 |
| kJ | 30 | 43 | 45 | 34 | 33 | 25 | 23 | 20 | 21 | 16 | 20 | 13 | 36 | 35 | 9 | 9 | 14 | 13 | 18 | 36 | 39 | 310 | 298 | 61 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 41 | 41 | 41 | 41 | 41 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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