Surf Forecasts:
How big are the waves at Castles Beach today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 8ft (2.5m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 8ft (2.4m), 8s period with ENE swell.
- Evening surf: Evening surf (28 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 8AM is: 2.5m 8s primary swell from a East-northeast direction and 0.5m 10s secondary swell from a South direction (forecast issued at 01:00am September 28). An open ocean swell of 0.7m 15s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 8ft (2.5m) | 8s |
| Afternoon (28 Sep) | 8ft (2.4m) | 8s |
| Evening (28 Sep) | 7ft (2.1m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Warm (max 27°C on Wed afternoon, min 25°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||||||||
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) | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | E 14 | E 14 | E 14 | E 13 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1107 | 899 | 847 | 827 | 792 | 688 | 574 | 509 | 460 | 448 | 402 | 350 | 341 | 301 | 264 | 251 | 187 | 187 | 194 | 194 | 183 | 165 | 118 | 138 |
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 | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross |
High Tide | 3:37AM0.79m | 2:47PM0.62m | 4:22AM0.80m | 3:03PM0.57m | 5:15AM0.78m | 3:09PM0.53m | ||||||||||||||||||
Low Tide | 9:38AM0.34m | 9:15PM0.06m | 10:27AM0.40m | 9:45PM0.06m | 11:30AM0.46m | 10:18PM0.08m | ||||||||||||||||||
 |  |  | | | | | | | | | |  | | | |  | |  | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 3 | 2 | 1 | 2 | 2 | 1 |
Temp °C | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 |
Feels °C | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 27 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | NNW 16 | NNW 16 | NNW 15 | S 12 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | ENE 8 | NNW 12 | ENE 8 | ENE 8 | E 13 | E 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 226 | 220 | 196 | 143 | 173 | 121 | 114 | 113 | 460 | 59 | 402 | 350 | 88 | 301 | 264 | 251 | 187 | 187 | 177 | 172 | 142 | 142 | 118 | 138 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | S 10 | S 10 | NNW 14 | S 11 | S 10 | SSW 9 | SSW 10 | NNW 13 | E 15 | E 14 | NW 12 | NNW 12 | E 14 | E 14 | E 13 | E 12 | E 12 | E 14 | E 14 | E 14 | E 13 | E 14 | E 14 |
| kJ | 31 | 49 | 46 | 180 | 65 | 50 | 29 | 18 | 109 | 104 | 100 | 69 | 56 | 129 | 183 | 173 | 148 | 150 | 194 | 194 | 183 | 165 | 92 | 97 |
Swell 3 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 13 | SSE 13 | SSE 8 | SSE 8 | SSW 12 | SSE 7 | SSW 10 | SSE 6 | NW 12 | E 14 | SSE 7 | NNW 12 | SSE 7 | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 10 | E 11 | E 11 |
| kJ | 38 | 35 | 32 | 17 | 12 | 11 | 31 | 9 | 41 | 8 | 71 | 91 | 9 | 55 | 15 | 48 | 30 | 30 | 30 | 30 | 23 | 10 | 56 | 37 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | — | — | E 8 | — | — | S 6 | SSE 4 | SSE 4 | S 6 | SSE 7 | SSE 6 | S 6 | SSE 6 | SSE 6 |
| kJ | 1107 | 899 | 847 | 827 | 792 | 688 | 574 | 509 | — | 448 | — | — | 341 | — | — | 12 | 15 | 25 | 78 | 131 | 104 | 78 | 68 | 50 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 125 | 47 | 52 | 45 | 43 | 41 | 41 | 18 | 18 | 18 | 18 | 18 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 73 | 41 | 41 | 13 | 13 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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