Surf Forecasts:
How big are the waves at Castles Beach today (06 Sep):
- Morning surf: Morning surf (06 Sep, local time) - 6.5ft (2.0m), 13s period with ENE swell.
- Afternoon surf: Afternoon surf (06 Sep, local time) - 7ft (2.2m), 12s period with ENE swell.
- Evening surf: Evening surf (06 Sep, local time) - 7ft (2.1m), 12s period with E swell.
The current surf forecast for Castles Beach at 1PM is: 2.2m 12s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a South-southwest direction, 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 07:00am September 06). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Sep) | 6.5ft (2.0m) | 13s |
| Afternoon (06 Sep) | 7ft (2.2m) | 12s |
| Evening (06 Sep) | 7ft (2.1m) | 12s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 34mm), heaviest during Sun afternoon. Warm (max 28°C on Tue morning, min 24°C on Sun night). Winds decreasing (fresh winds from the SSE on Mon night, light winds from the SSE by Tue night). | |||||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||||||||
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 13 | ENE 13 | ENE 12 | ENE 12 | E 12 | ENE 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 13 | E 12 | E 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1408 | 1240 | 1261 | 1338 | 1155 | 1294 | 1412 | 1312 | 1220 | 1617 | 1901 | 603 | 694 | 761 | 1388 | 1294 | 1047 | 885 | 885 | 787 | 698 | 559 | 427 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross |
High Tide | 12:19PM0.83m | 11:14PM0.40m | 12:55PM0.86m | 00:19AM0.47m | 1:27PM0.87m | ||||||||||||||||||
Low Tide | 4:01AM0.16m | 7:47PM0.35m | 5:17AM0.13m | 7:50PM0.31m | 6:14AM0.11m | 8:04PM0.27m | |||||||||||||||||
 |  |  | | | | | | | | | | | |  | | |  | |  | | |  | |
 | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:39 | — | — |
mm | 1 | 1 | — | 1 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 1 | — | — | — | 1 | — |
Temp °C | 25 | 25 | 26 | 26 | 26 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 26 | 25 | 26 | 27 | 26 | 23 | 23 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 28 | 29 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | ENE 13 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | E 12 | SSW 13 | SW 12 | SW 11 | E 12 | E 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 |
| kJ | 1408 | 69 | 72 | 83 | 85 | 56 | 70 | 1312 | 109 | 69 | 63 | 603 | 694 | 761 | 1388 | 1294 | 1047 | 885 | 885 | 787 | 698 | 559 | 427 |
Swell 2 Height (m) Direction Period (s) | S 12 | N 8 | SSW 16 | SSE 10 | E 16 | SSW 15 | SSW 15 | SSW 14 | SSW 18 | SSW 17 | SSW 17 | SW 11 | SSW 11 | SW 13 | SW 14 | SW 14 | SW 11 | SW 11 | SW 10 | E 14 | E 14 | S 8 | E 14 |
| kJ | 71 | 11 | 50 | 9 | 78 | 43 | 86 | 134 | 103 | 92 | 92 | 63 | 98 | 142 | 238 | 304 | 101 | 55 | 79 | 96 | 140 | 63 | 136 |
Swell 3 Height (m) Direction Period (s) | NNE 8 | SSW 16 | N 8 | N 10 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSE 7 | SSE 8 | SSE 8 | SSW 17 | SSW 17 | S 9 | S 9 | S 15 | SSW 15 | S 15 | S 15 | SSW 15 | SSW 15 | E 14 | S 8 |
| kJ | 13 | 25 | 5 | 8 | 35 | 69 | 66 | 65 | 18 | 19 | 19 | 94 | 94 | 55 | 73 | 116 | 126 | 113 | 115 | 73 | 72 | 150 | 43 |
Wind waves Height (m) Direction Period (s) | — | ENE 13 | ENE 12 | ENE 12 | E 12 | ENE 12 | E 12 | — | ENE 12 | ENE 12 | ENE 13 | ENE 7 | ENE 7 | E 7 | — | S 8 | SSE 8 | SSE 7 | SSE 7 | S 9 | S 8 | — | — |
| kJ | — | 1240 | 1261 | 1338 | 1155 | 1294 | 1412 | — | 1220 | 1617 | 1901 | 371 | 327 | 278 | — | 86 | 226 | 160 | 75 | 159 | 112 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 19 | 41 | 18 | 41 | 43 | 56 | 18 | 41 | 47 | 126 | 43 | 56 | 56 | 120 | 73 | 73 | 41 | 73 | 14 | 13 | 1 | 1 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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