Surf Forecasts:
How big are the waves at Castles Beach today (16 Jul):
- Morning surf: Morning surf (16 Jul, local time) - 4ft (1.2m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (16 Jul, local time) - 4.5ft (1.3m), 7s period with ENE swell.
- Evening surf: Evening surf (16 Jul, local time) - 3.5ft (1.1m), 6s period with ENE swell.
The current surf forecast for Castles Beach at 7AM is: 1.2m 7s primary swell from a Northeast direction and 0.2m 13s secondary swell from a South-southwest direction, 0.2m 16s secondary swell from a South-southwest direction (forecast issued at 01:00am July 16). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Jul) | 4ft (1.2m) | 7s |
| Afternoon (16 Jul) | 4.5ft (1.3m) | 7s |
| Evening (16 Jul) | 3.5ft (1.1m) | 6s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Thu morning, min 24°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||||||||||
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) | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | E 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 | E 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 156 | 156 | 151 | 131 | 142 | 67 | 89 | 115 | 130 | 102 | 92 | 101 | 90 | 90 | 129 | 135 | 130 | 130 | 130 | 161 | 200 | 225 | 328 | 337 |
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 | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | on |
High Tide | 3:20AM0.49m | 4:41PM0.89m | 4:16AM0.50m | 5:09PM0.83m | 5:18AM0.51m | 5:32PM0.75m | ||||||||||||||||||
Low Tide | 9:22AM0.06m | 11:27PM0.29m | 10:03AM0.16m | 11:59PM0.27m | 10:43AM0.26m | |||||||||||||||||||
 |  |  | | | | | | | |  | | | | | | | | | | | | | | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 24 | 24 |
Feels °C | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 23 | 23 | 25 | 24 | 24 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | NE 7 | SSW 16 | SSW 13 | SSW 16 | SSW 17 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 |
| kJ | 156 | 48 | 17 | 25 | 28 | 59 | 40 | 38 | 29 | 62 | 62 | 42 | 43 | 42 | 31 | 29 | 28 | 28 | 28 | 36 | 35 | 22 | 14 | 14 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSE 8 | SSW 16 | SSW 13 | SSW 13 | SSW 17 | SSW 17 | SSW 17 | SSW 14 | SSW 14 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 12 |
| kJ | 48 | 7 | 25 | 17 | 17 | 29 | 30 | 30 | 20 | 20 | 26 | 48 | 50 | 49 | 47 | 44 | 41 | 39 | 37 | 37 | 37 | 39 | 39 | 31 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | W 15 | W 15 | W 15 | SSE 8 | SSW 13 | SSW 13 | SSE 8 | S 18 | S 17 | SSW 12 | SW 16 | ESE 8 | ESE 8 | ESE 8 | SW 10 | SW 10 | W 14 | NE 9 | SE 9 | SSE 9 | SSE 9 | SE 9 | SE 9 |
| kJ | 7 | 18 | 17 | 17 | 6 | 16 | 17 | 6 | 24 | 23 | 14 | 10 | 6 | 6 | 6 | 4 | 4 | 4 | 3 | 3 | 7 | 7 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | NE 7 | NE 7 | ENE 7 | ENE 7 | E 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 | E 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | — | 156 | 151 | 131 | 142 | 67 | 89 | 115 | 130 | 102 | 92 | 101 | 90 | 90 | 129 | 135 | 130 | 130 | 130 | 161 | 200 | 225 | 328 | 337 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 41 | 41 | 41 | 19 | 18 | 19 | 18 | 18 | 19 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 41 | 41 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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