Surf Forecasts:
How big are the waves at Castles Beach today (16 Oct):
- Morning surf: Morning surf (16 Oct, local time) - 5ft (1.6m), 6s period with ENE swell.
- Afternoon surf: Afternoon surf (16 Oct, local time) - 5.5ft (1.7m), 6s period with ENE swell.
- Evening surf: Evening surf (16 Oct, local time) - 6.5ft (2.0m), 6s period with ENE swell.
The current surf forecast for Castles Beach at 1PM is: 1.6m 6s primary swell from a East-northeast direction and 0.3m 16s secondary swell from a South direction (forecast issued at 07:00am October 16). An open ocean swell of 1.0m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Oct) | 5ft (1.6m) | 6s |
| Afternoon (16 Oct) | 5.5ft (1.7m) | 6s |
| Evening (16 Oct) | 6.5ft (2.0m) | 6s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Fri night. Warm (max 26°C on Fri afternoon, min 25°C on Fri morning). Mainly strong winds. | |||||||||||||||||||||||
Friday 16 | Saturday 17 | Sunday 18 | |||||||||||||||||||||
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 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 185 | 207 | 197 | 227 | 237 | 292 | 309 | 338 | 295 | 303 | 273 | 244 | 248 | 331 | 385 | 348 | 348 | 383 | 346 | 348 | 419 | 484 | 637 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on |
High Tide | 6:42AM0.68m | 8:14AM0.66m | 9:40AM0.67m | ||||||||||||||||||||
Low Tide | 10:35PM0.20m | 11:18PM0.25m | |||||||||||||||||||||
 |  | | | |  | |  | | | | | |  | | | |  | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 22 | 22 | 22 | 24 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 22 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | NNW 11 | NNW 11 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 13 | N 13 | N 12 | N 12 | N 12 | NNW 12 | NNW 11 | NNW 11 |
| kJ | 148 | 140 | 312 | 367 | 418 | 355 | 343 | 331 | 308 | 254 | 254 | 249 | 245 | 161 | 191 | 225 | 339 | 309 | 284 | 274 | 224 | 213 | 164 |
Swell 2 Height (m) Direction Period (s) | S 16 | NNW 14 | S 16 | S 16 | N 7 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | NW 18 | NW 17 | N 13 | N 13 | NNW 10 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 |
| kJ | 47 | 63 | 45 | 45 | 8 | 43 | 39 | 38 | 16 | 37 | 37 | 48 | 47 | 90 | 92 | 75 | 56 | 54 | 54 | 48 | 46 | 62 | 44 |
Swell 3 Height (m) Direction Period (s) | E 13 | S 16 | S 10 | N 8 | S 16 | S 10 | S 10 | E 12 | E 12 | WNW 17 | WNW 18 | S 14 | S 14 | NW 16 | NW 16 | NW 16 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 |
| kJ | 30 | 46 | 8 | 10 | 44 | 8 | 7 | 11 | 11 | 28 | 30 | 16 | 15 | 66 | 40 | 64 | 30 | 30 | 30 | 30 | 29 | 12 | 11 |
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 7 |
| kJ | 185 | 207 | 197 | 227 | 237 | 292 | 309 | 338 | 295 | 303 | 273 | 244 | 248 | 331 | 385 | 348 | 348 | 383 | 346 | 348 | 419 | 484 | 637 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 41 | 45 | 45 | 126 | 49 | 41 | 45 | 45 | 41 | 47 | 47 | 123 | 123 | 51 | 47 | 47 | 41 | 45 | 51 | 123 | 123 | 125 | 154 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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