Surf Forecasts:
How big are the waves at Castles Beach today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 3.5ft (1.1m), 7s period with E swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 3.5ft (1.1m), 11s period with E swell.
- Evening surf: Evening surf (11 Sep, local time) - 4.5ft (1.3m), 11s period with ENE swell.
The current surf forecast for Castles Beach at 11AM is: 1.1m 7s primary swell from a East direction and 0.7m 8s secondary swell from a North-northeast direction, 0.6m 11s secondary swell from a East direction (forecast issued at 07:00am September 11). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 3.5ft (1.1m) | 7s |
| Afternoon (11 Sep) | 3.5ft (1.1m) | 11s |
| Evening (11 Sep) | 4.5ft (1.3m) | 11s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Fri morning, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||||
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 7 | E 7 | E 7 | E 11 | E 11 | ENE 11 | E 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NE 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 153 | 113 | 117 | 297 | 238 | 346 | 229 | 177 | 163 | 163 | 160 | 128 | 125 | 138 | 138 | 135 | 135 | 138 | 138 | 135 | 138 | 112 | 112 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on |
High Tide | 2:33AM0.67m | 2:42PM0.77m | 3:12AM0.71m | 3:01PM0.71m | 3:52AM0.73m | 3:16PM0.65m | |||||||||||||||||
Low Tide | 8:26AM0.19m | 9:02PM0.16m | 9:06AM0.25m | 9:22PM0.14m | 9:44AM0.32m | 9:43PM0.13m | |||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 24 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 11 | NNE 8 | NNE 8 | NNE 8 | E 11 | NE 7 | ENE 10 | NE 8 | NE 8 | NNE 9 | NNE 9 | NE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NE 9 |
| kJ | 91 | 89 | 58 | 78 | 74 | 233 | 53 | 177 | 65 | 69 | 94 | 99 | 115 | 138 | 138 | 135 | 135 | 138 | 138 | 135 | 138 | 112 | 112 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | NNE 7 | E 11 | SSW 16 | SSW 15 | NE 8 | SSW 15 | NE 8 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | ENE 10 | ENE 9 | SSW 16 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 |
| kJ | 26 | 36 | 89 | 24 | 22 | 57 | 22 | 57 | 22 | 22 | 24 | 25 | 125 | 92 | 24 | 46 | 46 | 26 | 26 | 26 | 25 | 24 | 14 |
Swell 3 Height (m) Direction Period (s) | NW 8 | NNE 8 | SSW 16 | NW 9 | NW 8 | SSW 15 | SSE 8 | SSW 15 | SE 5 | NW 9 | S 5 | SW 13 | SW 16 | SSW 16 | NW 15 | SSW 13 | SSW 16 | SSW 13 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 14 |
| kJ | 10 | 14 | 26 | 3 | 3 | 22 | 6 | 22 | 1 | 3 | 1 | 7 | 10 | 24 | 8 | 17 | 24 | 16 | 21 | 8 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | ENE 7 | E 7 | E 7 | E 11 | E 11 | ENE 11 | E 11 | — | ENE 10 | ENE 10 | ENE 10 | ENE 10 | — | — | ENE 9 | E 4 | E 4 | E 5 | E 5 | E 5 | E 5 | E 4 | ENE 4 |
| kJ | 153 | 113 | 117 | 297 | 238 | 346 | 229 | — | 163 | 163 | 160 | 128 | — | — | 84 | 8 | 13 | 21 | 27 | 21 | 11 | 9 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 18 | 41 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 41 | 33 | 18 | 18 | 18 | 18 | 18 | 18 | 41 | 18 | 18 | 18 | 25 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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