Surf Forecasts:
How big are the waves at Castles Beach today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 5ft (1.6m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 4.5ft (1.4m), 8s period with ENE swell.
- Evening surf: Evening surf (30 Jul, local time) - 4.5ft (1.3m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 9PM is: 1.3m 8s primary swell from a East-northeast direction and 0.4m 7s secondary swell from a North-northeast direction, 0.4m 13s secondary swell from a South direction (forecast issued at 01:00pm July 30). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 5ft (1.6m) | 8s |
| Afternoon (30 Jul) | 4.5ft (1.4m) | 8s |
| Evening (30 Jul) | 4.5ft (1.3m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 25°C on Thu night). Winds increasing (moderate winds from the ENE on Thu afternoon, strong winds from the ENE by Fri night). | |||||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||||
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 | E 8 | E 8 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 250 | 250 | 201 | 196 | 220 | 264 | 333 | 371 | 387 | 416 | 478 | 491 | 653 | 784 | 847 | 958 | 902 | 857 | 807 | 824 | 867 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | on | cross-on | on | on |
High Tide | 3:45PM0.86m | 3:04AM0.52m | 4:06PM0.83m | 3:48AM0.54m | 4:25PM0.79m | ||||||||||||||||
Low Tide | 8:31AM0.08m | 10:19PM0.31m | 9:03AM0.12m | 10:40PM0.28m | 9:35AM0.18m | ||||||||||||||||
 | | |  | | | | | |  | |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 26 | 28 | 26 | 27 | 26 | 25 | 24 | 24 | 25 | 23 | 23 | 23 | 21 | 21 | 21 | 22 | 21 | 21 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | N 6 | NNE 7 | E 16 | E 16 | E 16 | E 15 | E 15 | E 15 | E 16 | E 15 | E 15 | E 15 | E 14 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 |
| kJ | 56 | 55 | 21 | 17 | 85 | 81 | 185 | 167 | 157 | 228 | 231 | 222 | 213 | 205 | 202 | 205 | 205 | 199 | 196 | 199 | 199 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SSW 18 | SSW 13 | S 13 | S 13 | S 13 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | SSW 14 | SSW 14 | SSW 14 | N 10 | N 10 |
| kJ | 12 | 30 | 59 | 55 | 54 | 52 | 25 | 24 | 23 | 12 | 12 | 12 | 11 | 11 | 11 | 5 | 19 | 18 | 18 | 8 | 18 |
Swell 3 Height (m) Direction Period (s) | E 19 | N 9 | N 9 | E 18 | N 9 | N 9 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | SSW 14 | SSW 14 |
| kJ | 29 | 7 | 6 | 97 | 14 | 25 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 11 | 11 | 11 | 10 | 10 | 9 | 18 | 19 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | E 8 | E 8 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 250 | 250 | 201 | 196 | 220 | 264 | 333 | 371 | 387 | 416 | 478 | 491 | 653 | 784 | 847 | 958 | 902 | 857 | 807 | 824 | 867 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 41 | 45 | 43 | 19 | 41 | 18 | 41 | 45 | 45 | 54 | 50 | 125 | 125 | 125 | 125 | 154 | 128 | 128 | 123 | 49 | 51 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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