Surf Forecasts:
How big are the waves at Halawa today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.1m), 7s period with NE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.1m), 7s period with NE swell.
The current surf forecast for Halawa at 11PM is: 1.0m 7s primary swell from a Northeast direction and 0.3m 3s secondary swell from a East direction (forecast issued at 07:00pm August 20). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 3.5ft (1.1m) | 7s |
| Evening (20 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Halawa. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri afternoon, min 25°C on Thu night). Winds increasing (light winds from the ESE on Thu night, strong winds from the ENE by Sat afternoon). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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 7 | ENE 7 | NE 7 | NNE 7 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | W 11 | W 10 | W 10 | E 6 | W 10 | W 10 | W 10 | WNW 10 | WNW 15 | NW 15 | WNW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 151 | 138 | 91 | 53 | 48 | 51 | 36 | 37 | 37 | 32 | 31 | 171 | 17 | 17 | 17 | 19 | 23 | 57 | 116 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 12:04PM0.72m | 12:38PM0.76m | 10:08PM0.40m | ||||||||||||||||
Low Tide | 2:06AM0.24m | 3:51AM0.23m | 9:08PM0.40m | ||||||||||||||||
 |  | | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 26 | 27 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 25 |
Feels °C | 30 | 30 | 28 | 28 | 28 | 29 | 27 | 27 | 26 | 25 | 26 | 24 | 24 | 25 | 23 | 24 | 23 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | NE 7 | ENE 7 | NE 7 | NNE 7 | E 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 14 |
| kJ | 151 | 138 | 91 | 53 | 48 | 51 | 36 | 37 | 37 | 88 | 124 | 124 | 124 | 124 | 89 | 88 | 87 | 86 | 116 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 17 | E 8 | E 8 | NNE 6 | ENE 7 | SW 17 | SW 17 | SW 16 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | NW 15 | SW 16 |
| kJ | 107 | 72 | 33 | 35 | 48 | 38 | 100 | 97 | 91 | 32 | 31 | 18 | 17 | 17 | 17 | 19 | 19 | 57 | 86 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 11 | SW 16 | SW 16 | SW 17 | SW 17 | ESE 8 | ESE 8 | W 11 | SW 9 | SW 9 | SW 9 | WSW 10 | WSW 10 | SW 10 | WSW 10 | WNW 15 | WNW 10 | WSW 9 |
| kJ | 6 | 21 | 94 | 94 | 97 | 138 | 23 | 23 | 35 | 3 | 3 | 3 | 11 | 10 | 4 | 10 | 23 | 22 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | E 3 | ENE 7 | E 4 | E 4 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 |
| kJ | — | — | 1 | 49 | 7 | 12 | 97 | 92 | 131 | 200 | 200 | 171 | 221 | 235 | 272 | 335 | 335 | 324 | 380 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 5 | 0 | 0 | 19 | 19 | 19 | 19 | 24 | 25 | 29 | 29 | 29 | 29 | 29 | 33 | 29 | 29 | 29 | 31 |
Best forecast wave conditions in Molokai | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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