Surf Forecasts:
How big are the waves at Halawa today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 4.5ft (1.4m), 8s period with ENE swell.
- Evening surf: Evening surf (19 Aug, local time) - 3ft (0.9m), 6s period with NE swell.
The current surf forecast for Halawa at 7AM is: 1.1m 8s primary swell from a East-northeast direction and 0.2m 12s secondary swell from a West direction (forecast issued at 01:00am August 19). An open ocean swell of 0.3m 16s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 4ft (1.2m) | 8s |
| Afternoon (19 Aug) | 4.5ft (1.4m) | 8s |
| Evening (19 Aug) | 3ft (0.9m) | 6s |
Table - waves today at Halawa. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri afternoon, min 24°C on Thu morning). Winds increasing (calm on Thu night, fresh winds from the E by Fri night). | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
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) | WNW 12 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 6 | NE 6 | ENE 7 | NE 7 | NNE 6 | NNE 6 | NNE 6 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NNE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | W 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 28 | 176 | 176 | 176 | 238 | 52 | 54 | 142 | 122 | 51 | 49 | 52 | 67 | 102 | 105 | 91 | 91 | 46 | 109 | 91 | 181 | 187 | 206 | 35 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | on | cross-on | glassy | cross-off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 8:36AM0.63m | 11:03AM0.66m | 12:04PM0.72m | |||||||||||||||||||||
Low Tide | 00:04AM0.21m | 00:47AM0.22m | 2:06AM0.24m | |||||||||||||||||||||
 |  |  | | | | | | | |  | | | | | | | | | | | | | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 |
Feels °C | 24 | 24 | 26 | 27 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 28 | 28 | 29 | 30 | 30 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NNE 7 | SW 16 | SW 16 | SW 16 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | E 7 | NE 7 | NE 7 | SW 17 | SW 16 | SW 16 | SW 16 |
| kJ | 14 | 9 | 40 | 40 | 41 | 130 | 127 | 102 | 99 | 74 | 72 | 71 | 67 | 102 | 105 | 91 | 91 | 62 | 109 | 91 | 97 | 90 | 88 | 124 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | W 12 | W 12 | W 12 | WNW 12 | SW 16 | SW 16 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | E 7 | E 8 | E 8 | E 8 | E 8 | NNE 7 | SW 17 | SW 17 | W 11 | W 11 | W 11 | W 11 |
| kJ | 28 | 11 | 11 | 11 | 28 | 42 | 40 | 49 | 51 | 51 | 49 | 52 | 53 | 31 | 31 | 33 | 35 | 46 | 138 | 100 | 20 | 37 | 37 | 35 |
Swell 3 Height (m) Direction Period (s) | NNE 7 | WSW 6 | WSW 6 | W 7 | W 7 | W 12 | W 12 | SW 16 | SW 16 | SW 16 | SW 17 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 17 | ESE 8 | W 10 | W 9 | SW 8 | SW 9 | SW 9 |
| kJ | 10 | 4 | 4 | 4 | 4 | 11 | 11 | 41 | 41 | 42 | 77 | 79 | 109 | 107 | 72 | 94 | 94 | 97 | 14 | 30 | 14 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 6 | NE 6 | ENE 7 | NE 7 | — | — | — | — | — | — | — | E 3 | E 3 | E 3 | E 4 | ENE 7 | ENE 7 | ENE 7 | E 7 |
| kJ | 210 | 176 | 176 | 176 | 238 | 52 | 54 | 142 | 122 | — | — | — | — | — | — | — | 1 | 3 | 5 | 16 | 181 | 187 | 206 | 200 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 24 | 19 | 5 | 29 | 29 | 29 | 29 | 19 | 19 | 5 | 5 | 5 | 5 | 0 | 0 | 3 | 19 | 19 | 22 | 24 | 29 | 29 | 25 |
Best forecast wave conditions in Molokai | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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