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 (1.4m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 11AM is: 1.5m 8s primary swell from a East-northeast direction and 0.4m 13s secondary swell from a South direction (forecast issued at 07:00am July 30). An open ocean swell of 0.1m 18s is not directed at the surf break. 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 (1.4m) | 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 24°C on Sat night). Winds increasing (light winds from the E on Thu morning, strong winds from the ENE by Fri night). | |||||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | |||||||||||||||||||||
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 | E 8 | ENE 8 | E 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 | 328 | 327 | 250 | 240 | 172 | 207 | 251 | 269 | 306 | 371 | 387 | 470 | 478 | 478 | 601 | 745 | 826 | 868 | 902 | 836 | 807 | 889 | 956 |
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 | on | on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | on |
High Tide | 2:24AM0.50m | 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 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 28 | 28 | 25 | 28 | 26 | 26 | 26 | 25 | 24 | 23 | 25 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 21 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | S 13 | S 13 | N 6 | N 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 | 202 | 223 | 56 | 55 | 21 | 16 | 85 | 81 | 185 | 167 | 157 | 228 | 231 | 222 | 213 | 205 | 202 | 205 | 205 | 199 | 196 | 199 | 199 |
Swell 2 Height (m) Direction Period (s) | N 7 | N 7 | 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 | N 8 | SSW 14 | N 10 | N 10 |
| kJ | 61 | 33 | 12 | 30 | 59 | 55 | 54 | 53 | 25 | 24 | 23 | 12 | 12 | 12 | 11 | 11 | 11 | 5 | 19 | 5 | 18 | 9 | 18 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 14 | E 19 | N 9 | N 9 | E 18 | N 9 | N 9 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 14 | N 11 | SSW 14 | SSW 14 |
| kJ | 61 | 59 | 29 | 7 | 6 | 97 | 14 | 14 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 11 | 11 | 11 | 10 | 18 | 9 | 18 | 19 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 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 | 328 | 327 | 250 | 240 | 172 | 207 | 251 | 269 | 306 | 371 | 387 | 470 | 478 | 478 | 601 | 745 | 826 | 868 | 902 | 836 | 807 | 889 | 956 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 18 | 41 | 42 | 45 | 41 | 41 | 18 | 41 | 45 | 45 | 47 | 49 | 46 | 47 | 126 | 125 | 128 | 125 | 154 | 123 | 47 | 126 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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