Surf Forecasts:
How big are the waves at Castles Beach today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 3ft (0.9m), 9s period with NNE swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 3ft (0.9m), 9s period with NE swell.
- Evening surf: Evening surf (13 Sep, local time) - 3ft (0.9m), 9s period with NE swell.
The current surf forecast for Castles Beach at 11AM is: 0.9m 9s primary swell from a North-northeast direction and 0.2m 15s secondary swell from a South-southwest direction, 0.7m 9s secondary swell from a East direction (forecast issued at 07:00am September 13). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 3ft (0.9m) | 9s |
| Afternoon (13 Sep) | 3ft (0.9m) | 9s |
| Evening (13 Sep) | 3ft (0.9m) | 9s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||||
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) | NE 9 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | ENE 5 | NNE 8 | E 12 | NNE 8 | ENE 5 | ENE 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 152 | 138 | 138 | 135 | 112 | 112 | 112 | 123 | 120 | 102 | 82 | 82 | 69 | 69 | 53 | 51 | 44 | 40 | 40 | 45 | 52 | 48 | 57 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on |
High Tide | 3:52AM0.73m | 3:16PM0.65m | 4:32AM0.72m | 3:26PM0.60m | 5:15AM0.70m | 3:27PM0.55m | |||||||||||||||||
Low Tide | 9:44AM0.32m | 9:43PM0.13m | 10:23AM0.39m | 10:04PM0.13m | 11:06AM0.45m | 10:26PM0.15m | |||||||||||||||||
 |  | | | |  | | |  |  | | | | | | | | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 |
| kJ | 152 | 138 | 138 | 135 | 112 | 112 | 112 | 123 | 120 | 102 | 82 | 82 | 69 | 69 | 53 | 51 | 43 | 36 | 39 | 34 | 52 | 39 | 39 |
Swell 2 Height (m) Direction Period (s) | E 9 | SSW 15 | SSW 15 | ENE 9 | SW 15 | SW 15 | ENE 8 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 22 | SSW 22 | E 14 | NNE 10 | NNE 10 | E 13 | NE 8 | E 12 | E 12 | E 12 | E 11 | E 11 |
| kJ | 59 | 22 | 21 | 26 | 8 | 8 | 24 | 20 | 20 | 8 | 8 | 19 | 45 | 16 | 10 | 9 | 30 | 16 | 26 | 45 | 44 | 39 | 38 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | S 8 | SW 12 | SW 15 | NW 13 | SW 12 | SW 14 | NW 12 | NW 12 | NW 12 | SE 8 | SW 14 | SW 14 | SW 22 | E 14 | E 13 | SSW 21 | E 13 | SW 20 | SSW 20 | SSW 20 | SW 19 | SW 19 |
| kJ | 24 | 1 | 6 | 8 | 7 | 6 | 8 | 6 | 6 | 6 | 2 | 8 | 8 | 18 | 15 | 14 | 44 | 28 | 60 | 37 | 37 | 59 | 96 |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | E 9 | E 4 | E 9 | ENE 8 | E 4 | E 4 | ENE 4 | ENE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 |
| kJ | 108 | 82 | 78 | 8 | 55 | 57 | 7 | 11 | 13 | 14 | 27 | 24 | 33 | 33 | 36 | 38 | 41 | 40 | 40 | 39 | 37 | 48 | 57 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 18 | 19 | 19 | 18 | 18 | 25 | 19 | 18 | 40 | 41 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 41 | 18 | 18 | 18 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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