Surf Forecasts:
How big are the waves at Waimanalo today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.8m), 8s period with NE swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3ft (0.9m), 8s period with NE swell.
- Evening surf: Evening surf (14 Sep, local time) - 2ft (0.6m), 8s period with NE swell.
The current surf forecast for Waimanalo at 6AM is: 0.9m 8s primary swell from a Northeast direction and 0.5m 4s secondary swell from a East direction (forecast issued at 01:00am September 14). An open ocean swell of 0.1m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 2.5ft (0.8m) | 8s |
| Afternoon (14 Sep) | 3ft (0.9m) | 8s |
| Evening (14 Sep) | 2ft (0.6m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Mon morning, min 25°C on Mon morning). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||||
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) | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | NNE 8 | E 12 | NNE 8 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 5 | ENE 6 | NE 6 | ENE 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 123 | 120 | 102 | 82 | 100 | 149 | 54 | 50 | 58 | 61 | 46 | 46 | 46 | 52 | 49 | 49 | 69 | 80 | 67 | 93 | 110 | 119 | 133 | 159 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 4:57AM0.55m | 3:24PM0.45m | 5:47AM0.53m | 3:20PM0.41m | 6:53AM0.51m | 2:37PM0.40m | ||||||||||||||||||
Low Tide | 10:35AM0.25m | 10:11PM0.03m | 11:26AM0.30m | 10:35PM0.05m | 12:57PM0.34m | |||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | | | | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:32 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 25 | 25 | 24 | 25 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | SSW 22 | NE 8 | NE 8 | NE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 123 | 120 | 102 | 82 | 100 | 45 | 54 | 41 | 31 | 43 | 36 | 39 | 33 | 52 | 39 | 39 | 37 | 31 | 31 | 51 | 72 | 73 | 75 | 98 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SW 14 | NNE 6 | SW 22 | SW 14 | E 14 | NNE 10 | E 13 | E 13 | NE 8 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 10 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 |
| kJ | 20 | 20 | 8 | 6 | 19 | 8 | 16 | 10 | 14 | 30 | 16 | 26 | 45 | 44 | 39 | 38 | 37 | 37 | 53 | 80 | 79 | 79 | 79 | 78 |
Swell 3 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 12 | SW 14 | SW 14 | E 15 | SW 22 | E 14 | NNE 10 | SSW 21 | E 13 | SW 20 | SSW 20 | SSW 20 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | N 10 | N 9 | NNE 8 | SW 11 | SW 11 |
| kJ | 6 | 6 | 6 | 8 | 8 | 4 | 18 | 15 | 9 | 44 | 28 | 60 | 37 | 37 | 59 | 96 | 95 | 90 | 82 | 7 | 7 | 14 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | ENE 4 | ENE 5 | ENE 5 | NE 8 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 5 | ENE 6 | NE 6 | ENE 6 |
| kJ | 7 | 8 | 21 | 24 | 22 | 149 | 33 | 50 | 58 | 61 | 46 | 46 | 46 | 44 | 49 | 49 | 69 | 80 | 67 | 93 | 110 | 119 | 133 | 159 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 44 | 17 | 16 | 15 | 17 | 15 | 15 | 44 | 44 | 116 | 44 | 44 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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