Surf Forecasts:
How big are the waves at Chinamans Hat/Mokolii today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3.5ft (1.0m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 3.5ft (1.0m), 7s period with NE swell.
- Evening surf: Evening surf (21 Aug, local time) - 4ft (1.2m), 7s period with ENE swell.
The current surf forecast for Chinamans Hat/Mokolii at 1PM is: 1.0m 7s primary swell from a Northeast direction (forecast issued at 07:00am August 21). An open ocean swell of 0.2m 17s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 3.5ft (1.0m) | 7s |
| Afternoon (21 Aug) | 3.5ft (1.0m) | 7s |
| Evening (21 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 Sat night). Winds increasing (calm on Fri morning, fresh winds from the ENE by Sat night). | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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) | ENE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 52 | 79 | 109 | 96 | 127 | 136 | 149 | 181 | 175 | 180 | 212 | 247 | 278 | 342 | 371 | 393 | 393 | 352 | 352 | 290 | 245 | 237 | 256 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross | cross | cross-on | cross | cross | cross | cross | 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 | cross-on |
High Tide | 11:59AM0.71m | 12:31PM0.75m | 9:54PM0.34m | 12:58PM0.78m | |||||||||||||||||||
Low Tide | 2:32AM0.12m | 4:07AM0.11m | 9:09PM0.30m | 5:10AM0.07m | 8:15PM0.30m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | |  | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 29 | 31 | 30 | 31 | 29 | 29 | 27 | 26 | 28 | 27 | 26 | 28 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | NE 7 | NE 7 | NE 7 | ESE 8 | ESE 8 | SSW 16 | SSW 16 | SSW 16 | SSE 14 | SSE 15 | SSW 16 | SSW 16 | SSW 16 | WNW 13 | WNW 12 | NW 12 | SSE 13 | SSE 13 | NW 12 | NW 12 | NW 12 | NW 11 |
| kJ | 52 | 79 | 109 | 96 | 7 | 7 | 25 | 50 | 51 | 38 | 42 | 25 | 25 | 24 | 17 | 29 | 36 | 35 | 35 | 36 | 35 | 34 | 33 |
Swell 2 Height (m) Direction Period (s) | NNE 6 | E 8 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | ESE 8 | S 13 | S 13 | SSW 16 | SSW 16 | S 13 | S 12 | S 12 | SSW 16 | SSE 14 | SSE 14 | NW 11 | NW 11 | SSE 13 | SSW 15 | SSE 13 | SSE 13 |
| kJ | 45 | 20 | 29 | 29 | 25 | 25 | 14 | 14 | 13 | 26 | 26 | 13 | 12 | 12 | 24 | 41 | 39 | 32 | 33 | 35 | 22 | 34 | 34 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | SSW 17 | S 15 | E 9 | SSE 8 | SSE 8 | S 16 | SSE 16 | SSE 16 | S 8 | S 8 | SSE 15 | SSE 15 | WNW 14 | S 12 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSE 13 | SSW 15 | SSW 15 |
| kJ | 29 | 29 | 17 | 13 | 7 | 7 | 19 | 24 | 24 | 1 | 1 | 21 | 21 | 18 | 11 | 24 | 24 | 24 | 24 | 23 | 17 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 |
| kJ | — | — | — | — | 127 | 136 | 149 | 181 | 175 | 180 | 212 | 247 | 278 | 342 | 371 | 393 | 393 | 352 | 352 | 290 | 245 | 237 | 256 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 14 | 0 | 25 | 25 | 24 | 24 | 28 | 28 | 25 | 27 | 37 | 37 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 35 | 35 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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