Surf Forecasts:
How big are the waves at Castles Beach today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 5ft (1.6m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 5ft (1.6m), 7s period with ENE swell.
- Evening surf: Evening surf (10 Sep, local time) - 5ft (1.5m), 7s period with ENE swell.
The current surf forecast for Castles Beach at 9PM is: 1.5m 7s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a East direction (forecast issued at 01:00pm September 10). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 5ft (1.6m) | 7s |
| Afternoon (10 Sep) | 5ft (1.6m) | 7s |
| Evening (10 Sep) | 5ft (1.5m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | |||||||||||||||||||
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 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 8 | ENE 11 | E 11 | E 11 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 10 | NE 9 | NNE 9 | NNE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 261 | 261 | 247 | 212 | 186 | 181 | 153 | 139 | 113 | 232 | 350 | 281 | 229 | 216 | 200 | 163 | 160 | 128 | 125 | 138 | 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 | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | on | on |
High Tide | 2:20PM0.82m | 2:33AM0.67m | 2:42PM0.77m | 3:12AM0.71m | 3:01PM0.71m | ||||||||||||||||
Low Tide | 8:42PM0.19m | 8:26AM0.19m | 9:02PM0.16m | 9:06AM0.25m | 9:22PM0.14m | ||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 26 | 26 | 24 | 24 | 24 | 24 | 23 | 25 | 25 | 25 | 26 | 26 | 26 | 24 | 24 | 24 | 26 | 25 | 25 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | NNE 8 | SSW 16 | NNE 8 | NNE 8 | NE 7 | NE 8 | NE 8 | NE 8 | NNE 9 | NNE 9 | NE 9 | NNE 9 | NNE 9 |
| kJ | 104 | 104 | 72 | 70 | 96 | 94 | 91 | 89 | 58 | 24 | 51 | 72 | 56 | 57 | 65 | 69 | 94 | 99 | 115 | 138 | 138 |
Swell 2 Height (m) Direction Period (s) | NW 8 | SSW 13 | NW 9 | NW 9 | SSW 12 | SSW 12 | SSW 16 | NNE 7 | E 11 | WNW 9 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | ENE 10 | SW 16 | SSW 16 | ENE 9 |
| kJ | 20 | 33 | 13 | 12 | 29 | 14 | 26 | 21 | 89 | 7 | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 128 | 10 | 24 | 64 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | NW 7 | SSW 13 | SSW 12 | NW 8 | SSW 16 | NW 8 | NNE 8 | SSW 16 | S 12 | NW 8 | SSW 12 | SSE 8 | SSW 12 | SSE 5 | SSE 8 | NW 8 | SSW 16 | SW 13 | S 11 | SSW 16 |
| kJ | 33 | 8 | 32 | 30 | 10 | 26 | 10 | 14 | 26 | 11 | 3 | 13 | 7 | 13 | 3 | 6 | 3 | 25 | 7 | 2 | 24 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 8 | ENE 11 | E 11 | E 11 | E 10 | E 10 | ENE 10 | ENE 10 | — | ENE 10 | ENE 9 | ENE 4 |
| kJ | 261 | 261 | 247 | 212 | 186 | 181 | 153 | 139 | 113 | 232 | 350 | 281 | 229 | 216 | 200 | 163 | 160 | — | 125 | 92 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 41 | 41 | 41 | 18 | 18 | 18 | 18 | 18 | 41 | 41 | 18 | 18 | 18 | 18 | 18 | 18 | 41 | 18 | 18 | 18 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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