Surf Forecasts:
How big are the waves at Castles Beach today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 5ft (1.6m), 6s period with ENE swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 5ft (1.6m), 6s period with ENE swell.
- Evening surf: Evening surf (29 Aug, local time) - 6ft (1.8m), 7s period with ENE swell.
The current surf forecast for Castles Beach at 10AM is: 1.6m 6s primary swell from a East-northeast direction and 0.6m 13s secondary swell from a East direction, 0.4m 13s secondary swell from a South direction (forecast issued at 01:00am August 29). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 5ft (1.6m) | 6s |
| Afternoon (29 Aug) | 5ft (1.6m) | 6s |
| Evening (29 Aug) | 6ft (1.8m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 26°C on Sat afternoon, min 25°C on Sat morning). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||||||||||||
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 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 167 | 182 | 188 | 219 | 200 | 207 | 252 | 316 | 394 | 369 | 301 | 348 | 325 | 307 | 352 | 316 | 256 | 311 | 376 | 376 | 387 | 362 | 372 | 397 |
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 | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | cross-on | cross-on | on | on |
High Tide | 3:03AM0.63m | 3:17PM0.77m | 3:44AM0.66m | 3:35PM0.72m | 4:29AM0.68m | 3:51PM0.67m | ||||||||||||||||||
Low Tide | 8:54AM0.19m | 9:41PM0.18m | 9:31AM0.26m | 10:03PM0.15m | 10:11AM0.34m | 10:30PM0.13m | ||||||||||||||||||
 |  |  |  | | | | | |  | | | | | | | | | |  | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
Feels °C | 23 | 23 | 23 | 23 | 24 | 23 | 22 | 23 | 22 | 22 | 22 | 23 | 24 | 23 | 22 | 23 | 24 | 24 | 23 | 23 | 24 | 24 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | S 12 | ENE 11 | ENE 11 | S 12 | ENE 11 | ENE 10 | ENE 10 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 |
| kJ | 146 | 130 | 89 | 126 | 125 | 77 | 75 | 75 | 75 | 72 | 71 | 25 | 41 | 40 | 25 | 39 | 37 | 33 | 21 | 21 | 20 | 19 | 19 | 19 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | SSW 16 | S 12 | S 12 | SSW 16 | S 12 | S 11 | S 11 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 19 | SSW 19 |
| kJ | 93 | 55 | 55 | 54 | 54 | 54 | 54 | 29 | 26 | 25 | 25 | 26 | 25 | 25 | 24 | 25 | 22 | 21 | 22 | 21 | 21 | 21 | 73 | 74 |
Swell 3 Height (m) Direction Period (s) | NW 8 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | W 8 | SSW 16 | SSW 15 | S 20 | SSW 15 | SSW 15 | SSW 15 | S 19 | S 21 | S 21 | S 19 | SW 14 | SSW 14 |
| kJ | 3 | 13 | 13 | 12 | 12 | 12 | 29 | 28 | 28 | 28 | 26 | 1 | 25 | 23 | 7 | 23 | 22 | 22 | 7 | 8 | 8 | 29 | 7 | 18 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 |
| kJ | 167 | 182 | 188 | 219 | 200 | 207 | 252 | 316 | 394 | 369 | 301 | 348 | 325 | 307 | 352 | 316 | 256 | 311 | 376 | 376 | 387 | 362 | 372 | 397 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 41 | 41 | 41 | 45 | 45 | 47 | 45 | 47 | 47 | 41 | 45 | 45 | 51 | 47 | 45 | 45 | 41 | 41 | 41 | 41 | 45 | 45 | 45 | 42 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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