Surf Forecasts:
How big are the waves at Castles Beach today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 1.5ft (0.4m), 14s period with S swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 1ft (0.3m), 20s period with S swell.
- Evening surf: Evening surf (21 Jun, local time) - 1.5ft (0.5m), 8s period with NE swell.
The current surf forecast for Castles Beach at 1PM is: 0.3m 20s primary swell from a South direction and 0.5m 8s secondary swell from a Northeast direction, 0.4m 13s secondary swell from a South direction, 0.6m 4s secondary swell from a East direction (forecast issued at 07:00am June 21). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 1.5ft (0.4m) | 14s |
| Afternoon (21 Jun) | 1ft (0.3m) | 20s |
| Evening (21 Jun) | 1.5ft (0.5m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Mon morning. Warm (max 25°C on Sun morning, min 24°C on Sun morning). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 14 | S 14 | S 20 | S 20 | E 7 | NE 8 | NE 12 | S 18 | S 18 | NE 11 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | ENE 9 | ENE 6 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 66 | 61 | 67 | 67 | 35 | 30 | 108 | 98 | 98 | 96 | 94 | 90 | 87 | 84 | 98 | 96 | 71 | 62 | 74 | 74 | 253 | 113 | 232 | 326 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on |
High Tide | 9:04AM0.47m | 7:35PM0.65m | 10:54AM0.55m | 8:01PM0.59m | 11:57AM0.64m | 8:28PM0.53m | ||||||||||||||||||
Low Tide | 2:40AM0.26m | 12:55PM0.42m | 3:17AM0.23m | 3:03PM0.51m | 3:53AM0.20m | 5:49PM0.52m | ||||||||||||||||||
 |  | | | |  | | | |  | | | | | | |  |  | | | | |  | | |
 | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | 7:15 |
mm | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 2 | 1 | 1 |
Temp °C | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 25 | 24 |
Feels °C | 25 | 25 | 26 | 26 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 23 | 22 | 23 | 22 | 23 | 23 | 24 | 25 | 25 | 25 | 23 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 12 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | N 9 | N 8 | N 8 | N 8 |
| kJ | 18 | 23 | 23 | 30 | 29 | 29 | 108 | 97 | 96 | 96 | 94 | 90 | 87 | 84 | 98 | 96 | 60 | 60 | 74 | 74 | 53 | 68 | 49 | 47 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | S 13 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | N 7 | N 7 | N 7 | N 8 | N 8 | N 7 | N 7 | N 9 | S 15 | NE 10 | NE 10 | SSW 19 |
| kJ | 66 | 61 | 56 | 55 | 10 | 10 | 10 | 9 | 15 | 9 | 15 | 15 | 14 | 14 | 14 | 20 | 28 | 27 | 25 | 57 | 17 | 73 | 58 | 74 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | ESE 7 | S 20 | S 20 | S 13 | S 13 | S 13 | S 18 | S 18 | S 12 | S 12 | S 16 | S 16 | S 16 | S 16 | S 12 | S 12 | S 15 | N 10 | S 11 | S 11 | S 19 | S 19 | S 16 |
| kJ | 5 | 10 | 67 | 67 | 31 | 30 | 30 | 98 | 98 | 26 | 25 | 47 | 46 | 46 | 46 | 11 | 11 | 18 | 16 | 9 | 9 | 29 | 30 | 20 |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | E 4 | E 7 | ENE 4 | ENE 4 | E 4 | E 4 | E 4 | ENE 5 | E 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | E 5 | E 6 | ENE 5 | ENE 6 | ENE 9 | ENE 6 | ENE 7 | ENE 7 |
| kJ | 22 | 22 | 21 | 14 | 35 | 13 | 14 | 18 | 14 | 13 | 25 | 36 | 37 | 35 | 41 | 66 | 71 | 62 | 49 | 43 | 253 | 113 | 232 | 326 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 41 | 41 | 41 | 18 | 41 | 41 | 25 | 18 | 43 | 41 | 41 | 18 | 41 | 41 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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