Surf Forecasts:
How big are the waves at Castles Beach today (03 Sep):
- Morning surf: Morning surf (03 Sep, local time) - 6.5ft (2.0m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (03 Sep, local time) - 7ft (2.1m), 7s period with ENE swell.
- Evening surf: Evening surf (03 Sep, local time) - 6.5ft (2.0m), 7s period with ENE swell.
The current surf forecast for Castles Beach at 5AM is: 2.1m 8s primary swell from a East-northeast direction and 0.6m 13s secondary swell from a East direction, 0.4m 15s secondary swell from a South direction (forecast issued at 01:00am September 03). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Sep) | 6.5ft (2.0m) | 8s |
| Afternoon (03 Sep) | 7ft (2.1m) | 7s |
| Evening (03 Sep) | 6.5ft (2.0m) | 7s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sat afternoon. Warm (max 26°C on Sat afternoon, min 25°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | ||||||||||||||||||||||
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 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 14 | E 14 | E 14 | E 14 | E 14 | ENE 14 | ENE 14 | E 14 | E 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 555 | 509 | 464 | 440 | 456 | 456 | 404 | 366 | 392 | 431 | 404 | 392 | 394 | 485 | 585 | 678 | 2012 | 1956 | 743 | 690 | 1654 | 1679 | 1804 | 1989 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | on | on |
High Tide | 8:17AM0.68m | 10:21AM0.72m | 11:33AM0.78m | |||||||||||||||||||||
Low Tide | 11:40PM0.13m | 00:39AM0.15m | 2:15AM0.17m | |||||||||||||||||||||
 | |  | |  | | |  | | | | | | | | | | | | |  | |  | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
Feels °C | 22 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 24 | 25 | 26 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | S 12 | S 12 | E 14 | E 13 | S 12 | S 12 | S 12 | S 12 |
| kJ | 123 | 123 | 123 | 121 | 110 | 107 | 107 | 150 | 264 | 260 | 316 | 357 | 357 | 485 | 585 | 678 | 96 | 129 | 743 | 690 | 134 | 129 | 139 | 177 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 15 | SSE 13 | SSE 12 | SSE 13 | SSE 12 | SSE 12 | SSE 11 | S 12 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 13 | NNE 11 | S 11 | S 12 | NNE 10 | NNE 10 | NNE 9 | NNE 9 |
| kJ | 68 | 68 | 69 | 59 | 95 | 85 | 81 | 46 | 108 | 163 | 161 | 146 | 141 | 139 | 139 | 130 | 31 | 23 | 116 | 134 | 33 | 32 | 29 | 25 |
Swell 3 Height (m) Direction Period (s) | SSE 15 | SE 15 | S 15 | S 14 | S 14 | S 14 | E 16 | SSE 13 | NW 9 | N 9 | N 9 | N 9 | N 13 | N 12 | N 12 | N 12 | NNE 11 | S 19 | NNE 10 | NNE 10 | SSW 18 | SSW 17 | SW 18 | SW 17 |
| kJ | 23 | 55 | 67 | 66 | 36 | 64 | 46 | 34 | 3 | 2 | 2 | 1 | 3 | 3 | 11 | 11 | 12 | 7 | 22 | 20 | 30 | 30 | 12 | 74 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 14 | ENE 14 | ENE 7 | ENE 7 | ENE 13 | ENE 13 | ENE 13 | ENE 13 |
| kJ | 555 | 509 | 464 | 440 | 456 | 456 | 404 | 366 | 392 | 431 | 404 | 392 | 394 | 394 | 408 | 348 | 2012 | 1956 | 352 | 320 | 1654 | 1679 | 1804 | 1989 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 49 | 45 | 45 | 49 | 123 | 125 | 123 | 50 | 45 | 51 | 51 | 49 | 125 | 125 | 45 | 41 | 41 | 41 | 41 | 41 | 41 | 123 | 41 | 41 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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