Surf Forecasts:
How big are the waves at Castles Beach today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 4ft (1.2m), 6s period with E swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 4.5ft (1.4m), 7s period with ENE swell.
- Evening surf: Evening surf (17 Jul, local time) - 5ft (1.6m), 7s period with ENE swell.
The current surf forecast for Castles Beach at 5AM is: 1.3m 6s primary swell from a East direction and 0.8m 7s secondary swell from a North-northeast direction, 0.2m 14s secondary swell from a South-southwest direction (forecast issued at 01:00am July 17). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 4ft (1.2m) | 6s |
| Afternoon (17 Jul) | 4.5ft (1.4m) | 7s |
| Evening (17 Jul) | 5ft (1.6m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri night. Warm (max 26°C on Fri afternoon, min 24°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
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) | ENE 6 | E 6 | E 6 | E 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 186 | 132 | 113 | 120 | 158 | 198 | 198 | 214 | 233 | 232 | 255 | 285 | 382 | 414 | 385 | 356 | 398 | 293 | 261 | 294 | 295 | 277 | 277 | 257 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 4:16AM0.50m | 5:09PM0.83m | 5:18AM0.51m | 5:32PM0.75m | 6:30AM0.52m | 5:48PM0.68m | ||||||||||||||||||
Low Tide | 11:27PM0.29m | 10:03AM0.16m | 11:59PM0.27m | 10:43AM0.26m | 00:30AM0.24m | 11:24AM0.37m | ||||||||||||||||||
 |  |  | |  | | |  | | | | | | | | |  | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 25 | 25 | 26 | 25 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 24 | 23 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | NNE 7 | NNE 7 | NNE 7 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 12 | SSW 12 | NNE 8 | NNE 8 | NNE 8 | SSW 13 | S 19 | S 13 | NNE 8 |
| kJ | 18 | 54 | 62 | 59 | 50 | 49 | 47 | 44 | 41 | 38 | 37 | 36 | 37 | 39 | 39 | 31 | 30 | 12 | 12 | 11 | 16 | 27 | 31 | 35 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 14 | SSW 16 | SSW 16 | S 7 | SSE 7 | SSE 7 | S 7 | W 14 | W 14 | S 9 | SSE 9 | SSE 9 | NNE 9 | NNE 9 | NNE 8 | SE 9 | SSW 12 | SSW 12 | SSW 12 | S 19 | SSW 12 | S 18 | S 18 |
| kJ | 30 | 20 | 26 | 48 | 1 | 5 | 5 | 1 | 4 | 4 | 2 | 8 | 7 | 8 | 7 | 7 | 3 | 29 | 29 | 15 | 29 | 15 | 25 | 56 |
Swell 3 Height (m) Direction Period (s) | W 15 | S 17 | SSW 12 | SW 16 | W 14 | W 14 | W 14 | SW 10 | S 9 | S 9 | NE 9 | NE 9 | W 13 | SE 9 | SE 9 | SE 9 | S 21 | S 15 | S 19 | S 19 | SW 20 | S 14 | S 6 | S 11 |
| kJ | 4 | 23 | 14 | 10 | 4 | 4 | 4 | 4 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 8 | 4 | 30 | 29 | 15 | 4 | 1 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 6 | E 6 | E 6 | E 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 186 | 132 | 113 | 120 | 158 | 198 | 198 | 214 | 233 | 232 | 255 | 285 | 382 | 414 | 385 | 356 | 398 | 293 | 261 | 294 | 295 | 277 | 277 | 257 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 18 | 18 | 41 | 41 | 42 | 41 | 41 | 18 | 41 | 41 | 45 | 45 | 45 | 41 | 41 | 42 | 18 | 41 | 41 | 45 | 41 | 41 | 41 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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