Surf Forecasts:
How big are the waves at Castles Beach today (01 Sep):
- Morning surf: Morning surf (01 Sep, local time) - 6ft (1.9m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (01 Sep, local time) - 6ft (1.9m), 8s period with ENE swell.
- Evening surf: Evening surf (01 Sep, local time) - 6.5ft (2.0m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 2AM is: 2.0m 8s primary swell from a East-northeast direction and 0.3m 19s secondary swell from a South-southwest direction, 0.3m 10s secondary swell from a South direction (forecast issued at 07:00pm August 31). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Sep) | 6ft (1.9m) | 8s |
| Afternoon (01 Sep) | 6ft (1.9m) | 8s |
| Evening (01 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Warm (max 26°C on Tue morning, min 25°C on Mon night). Mainly strong winds. | |||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 419 | 419 | 459 | 439 | 410 | 471 | 441 | 453 | 483 | 483 | 471 | 527 | 541 | 574 | 525 | 570 | 536 | 534 | 589 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 3:51PM0.67m | 5:22AM0.68m | 4:02PM0.61m | 6:31AM0.67m | 3:59PM0.56m | ||||||||||||||
Low Tide | 10:30PM0.13m | 10:57AM0.42m | 11:01PM0.13m | 12:04PM0.50m | |||||||||||||||
 |  | |  |  | | | | | | |  | |  | | | | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 24 | 22 | 22 | 22 | 23 | 24 | 23 | 24 | 24 | 25 | 23 | 24 | 24 | 23 | 25 | 24 | 24 | 24 | 22 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | S 18 | S 17 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | E 13 |
| kJ | 19 | 19 | 19 | 74 | 73 | 68 | 107 | 63 | 107 | 107 | 98 | 93 | 53 | 137 | 130 | 82 | 79 | 113 | 87 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 19 | SSW 19 | S 10 | S 10 | S 10 | S 9 | S 9 | S 12 | S 12 | S 12 | S 10 | SSW 16 | S 10 | E 14 | E 14 | E 14 | E 14 | S 15 |
| kJ | 20 | 73 | 74 | 18 | 8 | 7 | 7 | 7 | 11 | 10 | 11 | 8 | 25 | 8 | 33 | 37 | 66 | 37 | 70 |
Swell 3 Height (m) Direction Period (s) | S 19 | SW 14 | SSW 14 | SW 14 | SW 14 | S 13 | SW 14 | S 12 | E 15 | E 15 | SE 11 | E 14 | S 10 | E 16 | S 10 | S 10 | S 12 | E 12 | S 11 |
| kJ | 29 | 7 | 18 | 7 | 7 | 3 | 8 | 3 | 4 | 4 | 5 | 14 | 8 | 20 | 8 | 8 | 24 | 26 | 9 |
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 419 | 419 | 459 | 439 | 410 | 471 | 441 | 453 | 483 | 483 | 471 | 527 | 541 | 574 | 525 | 570 | 536 | 534 | 589 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 51 | 45 | 42 | 41 | 41 | 41 | 41 | 123 | 123 | 42 | 41 | 41 | 41 | 41 | 45 | 49 | 49 | 123 | 49 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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