Surf Forecasts:
How big are the waves at Castles Beach today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 6ft (1.9m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 3.5ft (1.1m), 14s period with E swell.
- Evening surf: Evening surf (04 Sep, local time) - 4ft (1.2m), 14s period with E swell.
The current surf forecast for Castles Beach at 8AM is: 1.9m 7s primary swell from a East-northeast direction and 0.9m 14s secondary swell from a East direction, 0.7m 13s secondary swell from a South direction (forecast issued at 01:00am September 04). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 6ft (1.9m) | 7s |
| Afternoon (04 Sep) | 3.5ft (1.1m) | 14s |
| Evening (04 Sep) | 4ft (1.2m) | 14s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Sun afternoon. Warm (max 26°C on Fri morning, min 25°C on Fri afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||||
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 7 | ENE 7 | ENE 7 | E 14 | E 14 | E 14 | E 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | E 13 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | E 13 | E 12 | ENE 12 | E 12 | ENE 12 | E 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 415 | 415 | 376 | 404 | 405 | 577 | 585 | 1868 | 2041 | 1791 | 1791 | 1665 | 1804 | 792 | 1715 | 1616 | 1592 | 1544 | 1357 | 1334 | 1510 | 566 | 1316 | 1565 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on |
High Tide | 10:21AM0.72m | 11:33AM0.78m | 12:19PM0.83m | |||||||||||||||||||||
Low Tide | 00:39AM0.15m | 2:15AM0.17m | 4:01AM0.16m | 7:47PM0.35m | ||||||||||||||||||||
 | |  | | | | | | |  | | | | | | | |  |  | |  |  |  | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — | 2 | 6 | 6 | 6 |
Temp °C | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 23 | 23 | 23 | 22 | 23 | 22 | 22 | 22 | 24 | 22 | 23 | 25 | 25 | 26 | 25 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | S 11 | S 11 | S 12 | S 12 | S 12 | S 12 | E 13 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 12 | E 12 | SSW 13 | SSW 14 |
| kJ | 264 | 260 | 316 | 357 | 357 | 577 | 585 | 125 | 89 | 190 | 178 | 177 | 187 | 792 | 180 | 144 | 152 | 115 | 155 | 183 | 172 | 566 | 198 | 183 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 13 | S 13 | S 12 | S 12 | S 13 | S 12 | N 12 | SSW 13 | NNE 11 | NNE 10 | NNE 10 | NNE 10 | S 12 | NNE 9 | NNE 9 | N 8 | N 8 | N 8 | N 8 | SSE 10 | SSW 14 | SSW 18 | SSW 19 |
| kJ | 104 | 166 | 161 | 199 | 184 | 206 | 193 | 11 | 60 | 23 | 22 | 20 | 33 | 184 | 29 | 26 | 12 | 12 | 11 | 11 | 10 | 175 | 66 | 68 |
Swell 3 Height (m) Direction Period (s) | NW 9 | N 9 | N 9 | N 9 | N 13 | N 12 | N 12 | S 20 | NNE 11 | S 20 | S 18 | NNE 10 | — | NNE 10 | — | — | SSE 10 | SSW 16 | SSE 10 | SSE 10 | N 10 | E 16 | N 10 | SSE 10 |
| kJ | 3 | 2 | 2 | 1 | 3 | 3 | 11 | 7 | 24 | 7 | 7 | 20 | — | 19 | — | — | 9 | 50 | 10 | 10 | 8 | 119 | 8 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 6 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | E 13 | E 12 | ENE 12 | ENE 6 | ENE 12 | E 12 |
| kJ | 415 | 415 | 376 | 404 | 405 | 369 | 334 | 1868 | 2041 | 1791 | 1791 | 1665 | 1804 | 220 | 1715 | 1616 | 1592 | 1544 | 1357 | 1334 | 1510 | 207 | 1316 | 1565 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 49 | 41 | 41 | 49 | 49 | 45 | 41 | 41 | 41 | 41 | 41 | 41 | 45 | 41 | 18 | 41 | 41 | 41 | 41 | 41 | 50 | 18 | 41 | 41 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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