Surf Forecasts:
How big are the waves at Waimanalo today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 5ft (1.6m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Evening surf: Evening surf (22 Sep, local time) - 7ft (2.1m), 8s period with E swell.
The current surf forecast for Waimanalo at 1AM is: 1.7m 8s primary swell from a East-northeast direction and 0.3m 14s secondary swell from a North direction (forecast issued at 07:00pm September 21). An 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 (22 Sep) | 5ft (1.6m) | 8s |
| Afternoon (22 Sep) | 5.5ft (1.7m) | 8s |
| Evening (22 Sep) | 7ft (2.1m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Mon night, min 25°C on Tue night). Mainly strong winds. | |||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||
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 | ENE 8 | E 8 | E 8 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 370 | 385 | 428 | 370 | 370 | 330 | 318 | 359 | 448 | 526 | 682 | 800 | 804 | 755 | 683 | 669 | 655 | 614 | 541 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on |
High Tide | 00:00AM0.32m | 1:08PM0.61m | 00:34AM0.37m | 1:26PM0.62m | |||||||||||||||
Low Tide | 7:29PM0.19m | 5:39AM0.07m | 7:29PM0.17m | 6:17AM0.06m | 7:39PM0.14m | ||||||||||||||
 |  | | | | | | | | | | | | | | | |  | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 23 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 23 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 13 | SSW 13 | N 13 | N 12 | N 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 61 | 59 | 58 | 58 | 87 | 112 | 141 | 145 | 133 | 126 | 123 | 121 | 112 | 82 | 82 | 80 | 77 | 77 | 55 |
Swell 2 Height (m) Direction Period (s) | N 10 | NNW 10 | N 14 | N 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 12 | S 12 | S 12 | S 12 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 |
| kJ | 8 | 9 | 16 | 32 | 57 | 56 | 33 | 55 | 28 | 26 | 26 | 27 | 29 | 30 | 29 | 28 | 27 | 26 | 26 |
Swell 3 Height (m) Direction Period (s) | NW 10 | N 15 | NNW 9 | NNW 10 | S 16 | S 16 | S 16 | SW 19 | SW 19 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | N 12 |
| kJ | 4 | 17 | 9 | 9 | 5 | 5 | 5 | 14 | 14 | 12 | 11 | 12 | 12 | 12 | 29 | 28 | 26 | 25 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 |
| kJ | 370 | 385 | 428 | 370 | 370 | 330 | 318 | 359 | 448 | 526 | 682 | 800 | 804 | 755 | 683 | 669 | 655 | 614 | 541 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 44 | 44 | 17 | 15 | 15 | 44 | 44 | 50 | 50 | 45 | 44 | 44 | 44 | 44 | 50 | 50 | 50 | 46 | 44 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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