Surf Forecasts:
How big are the waves at Waimanalo today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 6.5ft (2.0m), 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 Waimanalo at 3AM is: 2.1m 7s primary swell from a East-northeast direction and 0.8m 14s secondary swell from a East direction (forecast issued at 07:00pm September 03). An open ocean swell of 0.6m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 6.5ft (2.0m) | 7s |
| Afternoon (04 Sep) | 3.5ft (1.1m) | 14s |
| Evening (04 Sep) | 4ft (1.2m) | 14s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun afternoon. Warm (max 26°C on Thu night, min 25°C on Thu night). Mainly strong winds. | |||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | |||||||||||||||||
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 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 14 | E 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 14 | ENE 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 456 | 456 | 415 | 443 | 456 | 415 | 431 | 444 | 485 | 585 | 1868 | 2041 | 1998 | 1998 | 1665 | 1616 | 1641 | 1715 | 1592 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | on | on | on | on | on | on | on | cross-on | on | cross-on | on | on | on | on | cross-on |
High Tide | 10:54AM0.59m | 11:56AM0.64m | |||||||||||||||||
Low Tide | 1:10AM0.03m | 2:48AM0.04m | |||||||||||||||||
 |  | | | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 21 | 21 | 23 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | E 13 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | S 12 | S 11 | S 11 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 107 | 109 | 153 | 264 | 260 | 316 | 357 | 357 | 485 | 585 | 184 | 123 | 160 | 178 | 184 | 190 | 180 | 177 | 187 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 11 | S 12 | S 13 | S 13 | S 12 | S 12 | S 12 | S 13 | N 12 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 |
| kJ | 85 | 81 | 46 | 104 | 166 | 161 | 199 | 184 | 196 | 209 | 11 | 12 | 23 | 22 | 20 | 20 | 19 | 28 | 25 |
Swell 3 Height (m) Direction Period (s) | S 14 | E 16 | S 14 | NW 9 | N 8 | N 9 | N 9 | N 13 | N 12 | N 12 | S 20 | S 19 | S 20 | SSW 20 | NNE 10 | SSW 18 | NNE 10 | — | — |
| kJ | 64 | 46 | 34 | 3 | 1 | 2 | 1 | 3 | 3 | 11 | 7 | 7 | 7 | 38 | 20 | 30 | 19 | — | — |
Wind waves Height (m) Direction Period (s) | 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 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 14 | ENE 13 |
| kJ | 456 | 456 | 415 | 443 | 456 | 415 | 431 | 444 | 379 | 330 | 1868 | 2041 | 1998 | 1998 | 1665 | 1616 | 1641 | 1715 | 1592 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 118 | 116 | 55 | 50 | 44 | 50 | 55 | 55 | 50 | 46 | 44 | 44 | 44 | 44 | 44 | 117 | 46 | 18 | 15 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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