Surf Forecasts:
How big are the waves at Halawa today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 0.5ft (0.2m), 6s period with WSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.
- Evening surf: Evening surf (18 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.
The current surf forecast for Halawa at 2AM is: 1.6m 6s primary swell from a East-northeast direction and 0.2m 6s secondary swell from a West-southwest direction (forecast issued at 07:00pm August 17). An open ocean swell of 0.3m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 0.5ft (0.2m) | 6s |
| Afternoon (18 Aug) | 4ft (1.2m) | 8s |
| Evening (18 Aug) | 4ft (1.2m) | 8s |
Table - waves today at Halawa. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Mon night, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||
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 | WNW 11 | ENE 6 | ENE 6 | WSW 6 | ENE 7 | ENE 8 | NE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 7 | NE 6 | NE 6 | NE 6 | ENE 8 | NE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 252 | 222 | 12 | 188 | 176 | 4 | 191 | 169 | 31 | 178 | 192 | 202 | 207 | 46 | 40 | 40 | 39 | 163 | 38 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross |
High Tide | 6:50AM0.63m | 4:24PM0.60m | 8:36AM0.63m | ||||||||||||||||
Low Tide | 11:33PM0.19m | 11:50AM0.51m | 00:04AM0.21m | ||||||||||||||||
 |  | | |  | | |  | | | | | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 |
Feels °C | 24 | 24 | 23 | 22 | 22 | 23 | 22 | 24 | 25 | 23 | 23 | 23 | 24 | 24 | 26 | 26 | 25 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | SW 17 | SW 17 | E 8 | SW 18 | W 13 | NNE 7 | NNE 7 | NE 7 | E 8 | E 8 | E 8 | SW 16 | NE 6 |
| kJ | 41 | 41 | 40 | 37 | 14 | 14 | 44 | 47 | 142 | 49 | 13 | 10 | 9 | 46 | 111 | 107 | 107 | 40 | 38 |
Swell 2 Height (m) Direction Period (s) | W 11 | E 9 | WNW 11 | WSW 6 | WSW 6 | SW 16 | S 13 | S 13 | SW 18 | W 13 | SSW 18 | WNW 12 | WNW 12 | SW 16 | NE 6 | NE 6 | SW 16 | SSW 19 | SW 16 |
| kJ | 9 | 15 | 12 | 4 | 4 | 42 | 13 | 13 | 49 | 13 | 31 | 28 | 28 | 41 | 40 | 40 | 42 | 35 | 41 |
Swell 3 Height (m) Direction Period (s) | WSW 6 | W 11 | W 11 | WNW 11 | W 11 | WSW 6 | WSW 6 | WSW 6 | SSW 13 | SSW 13 | WSW 6 | WSW 6 | WSW 6 | W 12 | SW 16 | SW 16 | W 12 | W 12 | W 11 |
| kJ | 4 | 9 | 9 | 12 | 10 | 4 | 4 | 4 | 17 | 17 | 4 | 4 | 4 | 11 | 40 | 41 | 11 | 11 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | E 7 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 8 | NE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | — | — | NE 6 | ENE 8 | E 8 |
| kJ | 252 | 222 | 245 | 188 | 176 | 208 | 191 | 169 | 31 | 178 | 192 | 202 | 207 | 113 | — | — | 39 | 163 | 104 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 33 | 19 | 22 | 22 | 25 | 29 | 19 |
Best forecast wave conditions in Molokai | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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