Surf Forecasts:
How big are the waves at Castles Beach today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 5ft (1.6m), 8s period with E swell.
- Evening surf: Evening surf (29 Sep, local time) - 4.5ft (1.4m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 1PM is: 1.6m 8s primary swell from a East direction and 0.5m 13s secondary swell from a East direction (forecast issued at 07:00am September 29). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 5.5ft (1.7m) | 8s |
| Afternoon (29 Sep) | 5ft (1.6m) | 8s |
| Evening (29 Sep) | 4.5ft (1.4m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Wed night. Warm (max 26°C on Tue morning, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | |||||||||||||||||||||
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 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 14 | E 14 | E 14 | E 8 | E 8 | E 8 | E 8 | E 14 | E 8 | E 6 | E 6 | E 7 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 437 | 392 | 350 | 341 | 333 | 257 | 223 | 218 | 177 | 253 | 194 | 183 | 168 | 145 | 146 | 149 | 545 | 172 | 111 | 109 | 131 | 142 | 117 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | cross-on | on | on | on |
High Tide | 4:22AM0.80m | 3:03PM0.57m | 5:15AM0.78m | 3:09PM0.53m | 6:24AM0.76m | ||||||||||||||||||
Low Tide | 10:27AM0.40m | 9:45PM0.06m | 11:30AM0.46m | 10:18PM0.08m | 11:00PM0.12m | ||||||||||||||||||
 |  | | | | |  | |  |  | |  | | | |  | | | | | |  | | |
 | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 2 | 1 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | — |
Temp °C | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 27 | 28 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 28 | 27 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | NW 12 | E 13 | E 14 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 14 | E 13 | E 13 | E 13 | E 7 | E 12 | NNW 10 |
| kJ | 437 | 392 | 69 | 88 | 129 | 257 | 223 | 218 | 177 | 181 | 177 | 168 | 168 | 145 | 146 | 149 | 545 | 84 | 84 | 84 | 131 | 47 | 38 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | E 14 | E 14 | NNW 12 | NNW 12 | E 14 | E 13 | E 12 | E 12 | E 14 | E 14 | E 14 | E 13 | E 14 | E 14 | E 14 | S 6 | NNW 10 | NNW 10 | SSE 5 | E 13 | NW 10 | E 12 |
| kJ | 101 | 100 | 91 | 56 | 55 | 183 | 173 | 148 | 150 | 253 | 194 | 183 | 165 | 92 | 97 | 99 | 9 | 10 | 20 | 5 | 52 | 23 | 45 |
Swell 3 Height (m) Direction Period (s) | E 15 | NW 12 | SSE 6 | SSE 7 | SSE 6 | NNW 12 | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 10 | S 6 | S 6 | E 10 | NNW 10 | SSE 12 | SSE 12 | NNW 10 | SSE 5 | S 5 | S 5 |
| kJ | 104 | 71 | 8 | 9 | 8 | 53 | 47 | 30 | 30 | 30 | 30 | 29 | 20 | 11 | 10 | 34 | 10 | 14 | 14 | 20 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | ENE 8 | E 8 | E 8 | — | — | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | — | — | — | — | E 8 | E 6 | E 6 | — | E 8 | E 8 |
| kJ | — | — | 350 | 341 | 333 | — | — | 17 | 6 | 6 | 10 | 11 | 11 | — | — | — | — | 172 | 111 | 109 | — | 142 | 117 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 16 | 18 | 18 | 18 | 13 | 41 | 41 | 41 | 41 | 4 | 42 | 13 | 13 | 14 | 13 | 13 | 13 | 18 | 13 | 41 | 18 | 18 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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