Surf Forecasts:
How big are the waves at Castles Beach today (02 Sep):
- Morning surf: Morning surf (02 Sep, local time) - 7.5ft (2.3m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (02 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
- Evening surf: Evening surf (02 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
The current surf forecast for Castles Beach at 4AM is: 2.2m 8s primary swell from a East-northeast direction and 0.4m 17s secondary swell from a South direction, 0.3m 16s secondary swell from a South-southwest direction (forecast issued at 01:00am September 02). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | 7.5ft (2.3m) | 8s |
| Afternoon (02 Sep) | 7ft (2.1m) | 8s |
| Evening (02 Sep) | 7ft (2.1m) | 8s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Wed morning. Warm (max 26°C on Wed afternoon, min 25°C on Wed morning). Mainly strong winds. | ||||||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 14 | ENE 7 | E 14 | E 14 | E 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 536 | 645 | 623 | 602 | 618 | 549 | 520 | 507 | 484 | 437 | 452 | 485 | 469 | 456 | 471 | 485 | 443 | 485 | 498 | 415 | 431 | 478 | 577 | 553 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:31AM0.67m | 3:59PM0.56m | 8:17AM0.68m | 10:21AM0.72m | ||||||||||||||||||||
Low Tide | 11:01PM0.13m | 12:04PM0.50m | 11:40PM0.13m | 00:39AM0.15m | ||||||||||||||||||||
 | |  | |  | |  | | | | | |  | |  | | | |  | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | 1 | 2 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 1 | — | — | 1 | 1 | — | — |
Temp °C | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 |
Feels °C | 24 | 24 | 24 | 23 | 25 | 23 | 23 | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 23 | 22 | 21 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | S 17 | S 17 | S 16 | S 16 | S 16 | S 16 | S 15 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | SSE 12 | SSE 12 | E 12 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 |
| kJ | 93 | 53 | 132 | 130 | 81 | 79 | 72 | 87 | 123 | 123 | 123 | 121 | 110 | 117 | 115 | 150 | 264 | 260 | 316 | 357 | 357 | 478 | 577 | 553 |
Swell 2 Height (m) Direction Period (s) | S 10 | SSW 16 | S 10 | E 14 | E 14 | E 14 | E 14 | S 15 | S 15 | S 15 | SSE 14 | SSE 13 | SSE 12 | E 12 | E 12 | SSE 12 | SSE 12 | SSE 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
| kJ | 8 | 50 | 8 | 33 | 37 | 66 | 37 | 70 | 69 | 68 | 71 | 64 | 85 | 107 | 109 | 150 | 152 | 145 | 130 | 134 | 123 | 119 | 85 | 57 |
Swell 3 Height (m) Direction Period (s) | E 14 | S 10 | E 16 | S 10 | S 10 | S 11 | E 12 | S 11 | SSE 15 | SSE 13 | S 15 | S 15 | SSW 14 | SSW 14 | E 16 | S 13 | NW 9 | N 9 | N 9 | N 9 | N 13 | N 12 | S 13 | S 13 |
| kJ | 14 | 8 | 20 | 8 | 8 | 23 | 26 | 9 | 21 | 17 | 67 | 67 | 40 | 38 | 46 | 14 | 3 | 2 | 2 | 2 | 3 | 3 | 32 | 52 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 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 |
| kJ | 536 | 645 | 623 | 602 | 618 | 549 | 520 | 507 | 484 | 437 | 452 | 485 | 469 | 456 | 471 | 485 | 443 | 485 | 498 | 415 | 431 | 456 | 444 | 394 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 41 | 41 | 41 | 45 | 45 | 45 | 45 | 123 | 123 | 41 | 45 | 154 | 123 | 123 | 128 | 123 | 45 | 123 | 51 | 51 | 123 | 154 | 45 | 45 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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