Surf Forecasts:
How big are the waves at Castles Beach today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 2.5ft (0.8m), 14s period with E swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 2.5ft (0.7m), 14s period with E swell.
- Evening surf: Evening surf (30 Sep, local time) - 3.5ft (1.0m), 8s period with E swell.
The current surf forecast for Castles Beach at 10AM is: 0.8m 14s primary swell from a East direction and 1.2m 8s secondary swell from a East direction, 0.5m 6s secondary swell from a South direction (forecast issued at 01:00am September 30). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 2.5ft (0.8m) | 14s |
| Afternoon (30 Sep) | 2.5ft (0.7m) | 14s |
| Evening (30 Sep) | 3.5ft (1.0m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Thu morning. Warm (max 27°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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 8 | E 8 | E 14 | E 14 | E 14 | E 13 | E 8 | E 8 | E 8 | E 14 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 6 | E 6 | E 7 | E 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 218 | 181 | 253 | 194 | 183 | 165 | 121 | 142 | 121 | 526 | 120 | 146 | 138 | 134 | 142 | 146 | 117 | 118 | 109 | 89 | 69 | 67 | 45 | 71 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on |
High Tide | 5:15AM0.78m | 3:09PM0.53m | 6:24AM0.76m | 8:00AM0.74m | ||||||||||||||||||||
Low Tide | 11:30AM0.46m | 10:18PM0.08m | 11:00PM0.12m | |||||||||||||||||||||
 |  |  |  | | |  | | | |  | |  | |  | |  | | |  | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | — | — | — | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 3 | 1 | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 |
Feels °C | 27 | 27 | 26 | 26 | 26 | 28 | 27 | 27 | 28 | 26 | 26 | 27 | 27 | 27 | 28 | 25 | 26 | 25 | 25 | 26 | 27 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 14 | E 8 | E 8 | E 8 | E 7 | E 12 | NNW 10 | NNW 10 | E 8 | NNW 10 | NNW 9 | NNW 9 | N 9 | N 9 | N 9 |
| kJ | 218 | 181 | 201 | 172 | 145 | 121 | 121 | 142 | 121 | 526 | 120 | 146 | 138 | 134 | 47 | 38 | 56 | 118 | 98 | 92 | 88 | 108 | 108 | 108 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 14 | E 14 | E 14 | E 13 | E 14 | E 14 | E 14 | NNW 10 | E 13 | E 13 | E 13 | E 13 | NW 10 | E 12 | E 12 | NNW 10 | E 12 | E 11 | E 8 | E 8 | E 7 | SSW 13 |
| kJ | 148 | 150 | 253 | 194 | 183 | 165 | 92 | 97 | 99 | 20 | 84 | 84 | 84 | 52 | 23 | 45 | 25 | 77 | 44 | 23 | 30 | 29 | 45 | 31 |
Swell 3 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 10 | E 11 | E 11 | E 10 | SSE 12 | S 5 | NNW 10 | NNW 10 | S 5 | S 5 | S 5 | SSW 14 | E 12 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | E 11 |
| kJ | 30 | 30 | 30 | 30 | 29 | 20 | 56 | 37 | 34 | 14 | 8 | 20 | 20 | 8 | 5 | 5 | 40 | 25 | 38 | 36 | 35 | 34 | 33 | 21 |
Wind waves Height (m) Direction Period (s) | S 6 | — | S 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | SSE 6 | S 6 | — | S 5 | S 5 | — | E 8 | E 8 | E 8 | — | E 7 | E 7 | E 6 | E 6 | E 5 | E 6 |
| kJ | 17 | — | 6 | 26 | 35 | 35 | 24 | 17 | 11 | 9 | — | 5 | 8 | — | 142 | 146 | 117 | — | 109 | 89 | 69 | 67 | 33 | 71 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 41 | 13 | 13 | 41 | 14 | 41 | 14 | 6 | 4 | 18 | 42 | 41 | 13 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 25 | 18 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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