Surf Forecasts:
How big are the waves at Castles Beach today (30 Jul):
- Afternoon surf: Afternoon surf (30 Jul, local time) - 6ft (1.8m), 9s period with NE swell.
- Evening surf: Evening surf (30 Jul, local time) - 5ft (1.5m), 9s period with ENE swell.
The current surf forecast for Castles Beach at 12AM is: 1.6m 8s primary swell from a Northeast direction and 0.4m 14s secondary swell from a South direction (forecast issued at 07:00pm July 29). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | - | - |
| Afternoon (30 Jul) | 6ft (1.8m) | 9s |
| Evening (30 Jul) | 5ft (1.5m) | 9s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 26°C on Wed night, min 24°C on Fri night). Winds increasing (light winds from the ESE on Wed night, strong winds from the ENE by Fri night). | |||||||||||||||||||
Wed 29 | Thursday 30 | Friday 31 | |||||||||||||||||
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) | NE 9 | ENE 9 | NE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 470 | 331 | 338 | 176 | 295 | 345 | 276 | 259 | 234 | 172 | 285 | 298 | 306 | 358 | 397 | 439 | 447 | 447 | 611 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | on |
High Tide | 3:22PM0.87m | 2:24AM0.50m | 3:45PM0.86m | 3:04AM0.52m | 4:06PM0.83m | ||||||||||||||
Low Tide | 9:59PM0.33m | 8:31AM0.08m | 10:19PM0.31m | 9:03AM0.12m | 10:40PM0.28m | ||||||||||||||
 |  | | |  | |  | | | | | | | | | | |  | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 28 | 29 | 30 | 28 | 27 | 28 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 24 | 25 | 24 | 23 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | NE 9 | ENE 9 | NE 8 | ENE 8 | ENE 8 | ENE 8 | S 13 | S 13 | S 13 | NNE 6 | E 16 | E 16 | E 16 | E 15 | E 15 | E 15 | E 16 | E 15 | E 15 |
| kJ | 470 | 331 | 338 | 176 | 197 | 270 | 56 | 55 | 55 | 14 | 85 | 81 | 185 | 167 | 157 | 228 | 231 | 222 | 213 |
Swell 2 Height (m) Direction Period (s) | S 14 | N 7 | S 14 | NNE 7 | N 7 | S 14 | SW 18 | SSW 18 | N 9 | S 13 | S 13 | S 13 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 |
| kJ | 65 | 46 | 62 | 82 | 57 | 59 | 12 | 30 | 7 | 55 | 54 | 53 | 25 | 14 | 13 | 12 | 12 | 12 | 11 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 14 | SW 19 | S 14 | S 14 | N 9 | E 19 | N 9 | E 18 | E 18 | N 9 | N 9 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 4 | 62 | 15 | 62 | 61 | 2 | 29 | 7 | 24 | 97 | 14 | 25 | 29 | 28 | 27 | 26 | 26 | 25 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 8 |
| kJ | — | — | — | — | 295 | 345 | 276 | 259 | 234 | 172 | 285 | 298 | 306 | 358 | 397 | 439 | 447 | 447 | 611 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 18 | 18 | 14 | 18 | 18 | 18 | 41 | 41 | 41 | 18 | 19 | 41 | 41 | 41 | 45 | 47 | 54 | 42 | 50 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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