Surf Forecasts:
How big are the waves at Chinamans Hat/Mokolii today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2.5ft (0.7m), 8s period with E swell.
- 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) - 4ft (1.2m), 7s period with ENE swell.
The current surf forecast for Chinamans Hat/Mokolii at 12PM is: 0.9m 7s primary swell from a Northeast direction and 0.6m 8s secondary swell from a East direction (forecast issued at 07:00am August 20). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2.5ft (0.7m) | 8s |
| Afternoon (20 Aug) | 3.5ft (1.1m) | 7s |
| Evening (20 Aug) | 4ft (1.2m) | 7s |
Table - waves today at Chinamans Hat/Mokolii. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Thu morning). Wind will be generally light. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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) | E 8 | E 8 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | E 7 | E 6 | E 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 78 | 78 | 73 | 105 | 89 | 138 | 89 | 69 | 67 | 96 | 96 | 112 | 117 | 117 | 79 | 121 | 139 | 139 | 147 | 186 | 226 | 267 | 284 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | cross-on | cross | cross-off | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:15AM0.66m | 11:59AM0.71m | 12:31PM0.75m | 9:54PM0.34m | |||||||||||||||||||
Low Tide | 2:32AM0.12m | 4:07AM0.11m | 9:09PM0.30m | ||||||||||||||||||||
 |  | | | | | |  | | |  | | | | | | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 28 | 27 | 27 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 28 | 29 | 31 | 30 | 30 | 30 | 29 | 29 | 28 | 31 | 31 | 30 | 30 | 28 | 27 | 27 | 28 | 27 | 26 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | NE 6 | NNE 6 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 | SSW 17 | ESE 8 | SSW 16 | NNE 7 | E 8 | ESE 8 | ESE 8 | ESE 8 | SSW 16 | SSW 16 | SSW 16 | WNW 13 |
| kJ | 58 | 52 | 73 | 105 | 89 | 138 | 89 | 69 | 67 | 96 | 96 | 29 | 7 | 25 | 26 | 12 | 14 | 14 | 23 | 25 | 25 | 24 | 34 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 17 | NNE 7 | NNE 7 | NNE 6 | SSW 17 | SSW 17 | E 9 | SSW 16 | ESE 8 | E 8 | SSW 16 | SSW 16 | SSE 14 | SSE 15 | S 13 | S 12 | S 12 | SSW 16 |
| kJ | 78 | 78 | 55 | 30 | 42 | 28 | 42 | 46 | 36 | 29 | 29 | 13 | 25 | 7 | 12 | 50 | 51 | 38 | 42 | 13 | 12 | 12 | 24 |
Swell 3 Height (m) Direction Period (s) | S 12 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | S 12 | SSW 16 | SSW 17 | SSW 17 | S 15 | S 15 | S 14 | SSE 8 | SSE 8 | SSW 16 | S 13 | S 13 | SSW 16 | SSW 16 | SSE 15 | SSE 15 | WNW 14 | S 12 |
| kJ | 11 | 30 | 31 | 31 | 30 | 11 | 27 | 27 | 29 | 17 | 17 | 16 | 7 | 7 | 25 | 14 | 13 | 26 | 26 | 21 | 21 | 19 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | E 7 | E 6 | E 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 112 | 117 | 117 | 79 | 121 | 139 | 139 | 147 | 186 | 226 | 267 | 284 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 19 | 24 | 19 | 19 | 19 | 19 | 24 | 0 | 15 | 23 | 25 | 27 | 24 | 24 | 24 | 24 | 24 | 25 | 29 | 28 | 38 | 37 | 37 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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