Surf Forecasts:
How big are the waves at Waimanalo today (05 Sep):
- Morning surf: Morning surf (05 Sep, local time) - 4.5ft (1.4m), 14s period with E 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 (2.2m), 14s period with ENE swell.
The current surf forecast for Waimanalo at 2AM is: 2.2m 14s primary swell from a East-northeast direction (forecast issued at 07:00pm September 04). An open ocean swell of 0.6m 11s is not directed at the surf break, a second open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | 4.5ft (1.4m) | 14s |
| Afternoon (05 Sep) | 7ft (2.2m) | 13s |
| Evening (05 Sep) | 7ft (2.2m) | 14s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sun afternoon. Warm (max 27°C on Mon morning, min 25°C on Fri night). Mainly fresh winds. | |||||||||||||||||||
Fri 4 | Saturday 5 | Sunday 6 | |||||||||||||||||
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) | E 14 | E 14 | ENE 14 | ENE 14 | E 14 | E 14 | E 14 | ENE 13 | ENE 13 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | E 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 577 | 585 | 1913 | 1886 | 753 | 865 | 700 | 1654 | 1679 | 1690 | 1654 | 1568 | 1408 | 1365 | 1382 | 1261 | 1064 | 1180 | 1312 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:56AM0.64m | 12:39PM0.68m | |||||||||||||||||
Low Tide | 2:48AM0.04m | 4:19AM0.02m | 8:00PM0.22m | ||||||||||||||||
 |  | | |  |  | | | | | |  | | | |  |  |  | | |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 2 |
Temp °C | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 23 | 24 | 22 | 24 | 23 | 23 | 24 | 24 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 26 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 14 | S 11 | S 11 | E 14 | E 14 | E 14 | S 12 | S 12 | S 12 | S 12 | SSW 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 14 |
| kJ | 577 | 585 | 125 | 89 | 753 | 865 | 700 | 180 | 137 | 130 | 139 | 113 | 104 | 113 | 82 | 82 | 82 | 125 | 136 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 12 | N 12 | SSW 13 | S 12 | S 12 | S 12 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | N 9 | N 8 | N 8 | SSW 16 | SW 16 | E 16 | SSW 18 | SSW 18 |
| kJ | 206 | 193 | 11 | 60 | 187 | 187 | 180 | 33 | 19 | 28 | 25 | 13 | 12 | 11 | 50 | 64 | 78 | 67 | 67 |
Swell 3 Height (m) Direction Period (s) | N 12 | N 12 | S 20 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | SSW 18 | SSW 18 | N 12 | — | SSE 10 | SSW 16 | SSW 16 | N 8 | SSE 10 | SW 15 | N 10 | SSE 10 |
| kJ | 3 | 11 | 7 | 12 | 23 | 22 | 20 | 30 | 30 | 3 | — | 11 | 50 | 50 | 11 | 9 | 59 | 8 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 14 | ENE 14 | ENE 7 | ENE 7 | ENE 7 | ENE 13 | ENE 13 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | E 12 |
| kJ | 330 | 310 | 1913 | 1886 | 247 | 326 | 254 | 1654 | 1679 | 1690 | 1654 | 1568 | 1408 | 1365 | 1382 | 1261 | 1064 | 1180 | 1312 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 50 | 44 | 44 | 16 | 44 | 44 | 44 | 44 | 44 | 44 | 15 | 15 | 15 | 15 | 44 | 51 | 44 | 44 | 26 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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