Surf Forecasts:
How big are the waves at Castles Beach today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 7ft (2.2m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 7ft (2.1m), 8s period with ENE swell.
- Evening surf: Evening surf (19 Oct, local time) - 7.5ft (2.3m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 10AM is: 2.2m 8s primary swell from a East-northeast direction (forecast issued at 01:00am October 19). An open ocean swell of 0.7m 11s is not directed at the surf break, a second open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 7ft (2.2m) | 8s |
| Afternoon (19 Oct) | 7ft (2.1m) | 8s |
| Evening (19 Oct) | 7.5ft (2.3m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Warm (max 25°C on Mon morning, min 24°C on Mon night). Winds decreasing (strong winds from the ENE on Mon night, light winds from the E by Wed night). | ||||||||||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | ||||||||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 604 | 621 | 604 | 587 | 522 | 539 | 557 | 654 | 604 | 495 | 540 | 588 | 540 | 526 | 512 | 558 | 514 | 397 | 373 | 373 | 373 | 336 | 336 | 288 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | on | on |
High Tide | 10:32AM0.69m | 11:06PM0.39m | 11:07AM0.70m | 11:48PM0.47m | 11:35AM0.71m | |||||||||||||||||||
Low Tide | 1:22AM0.30m | 6:29PM0.32m | 3:37AM0.32m | 6:17PM0.28m | 4:53AM0.31m | 6:23PM0.23m | ||||||||||||||||||
 |  |  | | | | | | | | |  | | | |  | | |  | | | | | | |
 | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 21 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 23 | 21 | 22 | 21 | 22 | 21 | 22 | 22 | 23 | 23 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 |
| kJ | 151 | 114 | 114 | 86 | 121 | 88 | 88 | 62 | 61 | 59 | 37 | 36 | 35 | 34 | 33 | 31 | 30 | 17 | 16 | 15 | 15 | 14 | 14 | 14 |
Swell 2 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NNW 10 | NW 10 | NW 9 | S 13 | S 12 | S 12 | S 12 | S 12 | NW 12 | NW 12 | NNW 12 |
| kJ | 39 | 52 | 52 | 22 | 20 | 19 | 19 | 19 | 18 | 17 | 16 | 15 | 15 | 9 | 4 | 3 | 13 | 12 | 12 | 11 | 11 | 6 | 6 | 14 |
Swell 3 Height (m) Direction Period (s) | S 12 | N 13 | N 13 | N 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 15 | S 11 | S 11 | S 11 | S 11 | NW 9 | NW 9 | NW 9 | NW 13 | NW 12 | S 12 | SW 15 | E 14 |
| kJ | 26 | 32 | 31 | 31 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 17 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 7 | 6 | 11 | 8 | 4 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 604 | 621 | 604 | 587 | 522 | 539 | 557 | 654 | 604 | 495 | 540 | 588 | 540 | 526 | 512 | 558 | 514 | 397 | 373 | 373 | 373 | 336 | 336 | 288 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 154 | 51 | 51 | 47 | 154 | 154 | 51 | 123 | 47 | 45 | 47 | 154 | 154 | 52 | 45 | 45 | 45 | 41 | 42 | 42 | 41 | 45 | 41 | 41 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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