Surf Forecasts:
How big are the waves at Chinamans Hat/Mokolii today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 5.5ft (1.7m), 7s period with ENE swell.
- Evening surf: Evening surf (18 Aug, local time) - 5ft (1.5m), 7s period with ENE swell.
The current surf forecast for Chinamans Hat/Mokolii at 12AM is: 1.4m 7s primary swell from a East-northeast direction (forecast issued at 07:00pm August 17). An open ocean swell of 0.4m 14s is not directed at the surf break, a second open ocean swell of 0.2m 5s 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) | - | - |
| Afternoon (18 Aug) | 5.5ft (1.7m) | 7s |
| Evening (18 Aug) | 5ft (1.5m) | 7s |
Table - waves today at Chinamans Hat/Mokolii. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu morning, 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 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 252 | 222 | 215 | 178 | 168 | 163 | 157 | 143 | 108 | 143 | 92 | 92 | 143 | 176 | 112 | 86 | 84 | 140 | 82 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:07PM0.60m | 7:29AM0.57m | 3:44PM0.55m | 9:50AM0.60m | |||||||||||||||
Low Tide | 11:43PM0.09m | 12:18PM0.44m | 00:17AM0.10m | ||||||||||||||||
 |  | | | | | | | | |  | | |  | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 27 | 26 | 26 | 25 | 25 | 24 | 25 | 26 | 26 | 24 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | NE 7 | S 13 | NNE 7 | NNE 7 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 65 | 63 | 59 | 55 | 55 | 54 | 30 | 30 | 30 | 30 | 13 | 29 | 10 | 18 | 112 | 86 | 84 | 84 | 82 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 5 | S 5 | E 9 | E 9 | SW 16 | SW 17 | SW 18 | NE 8 | SW 18 | S 13 | NNE 7 | S 12 | S 12 | NE 7 | NE 6 | NE 6 | NE 6 | S 12 |
| kJ | 5 | 2 | 2 | 7 | 15 | 11 | 11 | 12 | 10 | 12 | 29 | 10 | 26 | 11 | 44 | 40 | 39 | 31 | 11 |
Swell 3 Height (m) Direction Period (s) | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | W 13 | SW 18 | W 11 | N 7 | ENE 7 | SE 10 | SSE 9 | S 12 | S 12 | S 12 | S 12 | SW 16 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 12 | 3 | 4 | 5 | 4 | 9 | 11 | 11 | 11 | 11 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 8 | — | — | — | ENE 8 | NE 6 |
| kJ | 252 | 222 | 215 | 178 | 168 | 163 | 157 | 143 | 108 | 143 | 92 | 92 | 143 | 176 | — | — | — | 140 | 38 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 25 | 25 | 35 | 35 | 35 | 35 | 35 | 28 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 19 | 19 | 25 | 25 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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