Surf Forecasts:
How big are the waves at Castles Beach today (05 Sep):
- Morning surf: Morning surf (05 Sep, local time) - 7ft (2.2m), 14s period with ENE swell.
- Afternoon surf: Afternoon surf (05 Sep, local time) - 7ft (2.2m), 13s period with ENE swell.
- Evening surf: Evening surf (05 Sep, local time) - 7ft (2.1m), 14s period with ENE swell.
The current surf forecast for Castles Beach at 10AM is: 2.2m 14s primary swell from a East-northeast direction and 0.8m 12s secondary swell from a South direction, 0.3m 10s secondary swell from a North-northeast direction (forecast issued at 01:00am September 05). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | 7ft (2.2m) | 14s |
| Afternoon (05 Sep) | 7ft (2.2m) | 13s |
| Evening (05 Sep) | 7ft (2.1m) | 14s |
Table - waves today at Castles Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 29mm), heaviest during Sun night. Warm (max 27°C on Mon night, min 25°C on Sat morning). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||||||||||||
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 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | E 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | E 12 | E 12 | ENE 13 | E 13 | E 13 | E 13 | ENE 12 | ENE 12 | ENE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1842 | 1833 | 1998 | 1705 | 1474 | 1679 | 1541 | 1474 | 1299 | 1279 | 1070 | 1118 | 1108 | 1072 | 1180 | 555 | 1290 | 1610 | 747 | 724 | 724 | 1428 | 1220 | 1180 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on |
High Tide | 11:33AM0.78m | 12:19PM0.83m | 11:14PM0.40m | 12:55PM0.86m | ||||||||||||||||||||
Low Tide | 2:15AM0.17m | 4:01AM0.16m | 7:47PM0.35m | 5:17AM0.13m | 7:50PM0.31m | |||||||||||||||||||
 |  |  |  | |  | | | |  | | | |  | | | | | | | | | |  | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:40 | — | — |
mm | — | 1 | — | — | — | 1 | 1 | — | — | 1 | — | — | — | 1 | 4 | 5 | 2 | 5 | 3 | 2 | 2 | 1 | 1 | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 26 |
Feels °C | 24 | 24 | 24 | 26 | 26 | 26 | 24 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 24 | 26 | 26 | 25 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | ENE 13 | ENE 13 | ENE 13 | NNE 6 | S 11 | SSW 12 | SSW 11 | SSW 11 | E 12 | SSW 14 | SW 13 | E 13 | E 13 | E 13 | ENE 12 | ENE 12 | ENE 12 |
| kJ | 89 | 187 | 190 | 180 | 180 | 177 | 130 | 1474 | 1299 | 1279 | 24 | 66 | 45 | 47 | 47 | 555 | 80 | 88 | 747 | 724 | 724 | 1428 | 1220 | 1180 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | NNE 11 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | S 12 | S 12 | S 12 | S 12 | N 8 | SSW 16 | SSW 19 | SSW 19 | SSW 11 | SSW 18 | SSW 18 | SSW 13 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | 60 | 23 | 22 | 20 | 33 | 32 | 28 | 137 | 101 | 71 | 70 | 5 | 50 | 35 | 68 | 47 | 65 | 103 | 131 | 180 | 160 | 167 | 206 | 248 |
Swell 3 Height (m) Direction Period (s) | NNE 11 | S 20 | S 18 | SSW 17 | SSW 18 | NNE 10 | SW 18 | NNE 9 | NNE 8 | NNE 8 | NNE 8 | SSW 16 | SSE 10 | SSE 10 | SSE 10 | SSW 18 | SSE 10 | SSE 10 | SSW 17 | SSW 17 | SSW 17 | S 8 | S 8 | S 8 |
| kJ | 12 | 7 | 7 | 29 | 30 | 19 | 12 | 16 | 13 | 14 | 12 | 25 | 9 | 9 | 9 | 67 | 20 | 20 | 94 | 93 | 92 | 32 | 48 | 49 |
Wind waves Height (m) Direction Period (s) | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 14 | — | — | — | E 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 7 | E 12 | ENE 13 | ENE 6 | ENE 7 | ENE 7 | S 7 | — | — |
| kJ | 1842 | 1833 | 1998 | 1705 | 1474 | 1679 | 1541 | — | — | — | 1070 | 1118 | 1108 | 1072 | 1180 | 220 | 1290 | 1610 | 253 | 261 | 262 | 112 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 18 | 41 | 41 | 41 | 41 | 18 | 18 | 18 | 18 | 19 | 41 | 46 | 41 | 43 | 18 | 18 | 18 | 43 | 43 | 43 | 56 | 42 | 42 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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