Surf Forecasts:
How big are the waves at H-Reef today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3.5ft (1.0m), 7s period with E swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.1m), 7s period with E swell.
- Evening surf: Evening surf (21 Jul, local time) - 4ft (1.2m), 7s period with E swell.
The current surf forecast for H-Reef at 2AM is: 1.0m 7s primary swell from a East direction and 0.9m 7s secondary swell from a Northeast direction, 0.3m 12s secondary swell from a East direction (forecast issued at 07:00pm July 20). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3.5ft (1.0m) | 7s |
| Afternoon (21 Jul) | 3.5ft (1.1m) | 7s |
| Evening (21 Jul) | 4ft (1.2m) | 7s |
Table - waves today at H-Reef. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Warm (max 26°C on Tue morning, min 24°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 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) | E 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 13 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 11 | E 12 | E 12 | E 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 130 | 203 | 127 | 97 | 97 | 97 | 117 | 117 | 121 | 135 | 157 | 218 | 186 | 186 | 161 | 504 | 389 | 400 | 650 |
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 | cross | cross | cross | cross |
High Tide | 5:59PM0.66m | 9:49AM0.62m | 5:38PM0.60m | 11:30AM0.68m | |||||||||||||||
Low Tide | 1:37AM0.23m | 2:16PM0.58m | 2:24AM0.22m | ||||||||||||||||
 |  |  | | |  | | |  | |  | | | |  | | | | | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — |
mm | — | 1 | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 24 | 24 | 23 | 24 | 24 | 25 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | E 13 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | E 12 | E 12 | E 12 | E 11 | N 12 | NNE 7 | NNE 7 | NNW 11 |
| kJ | 64 | 13 | 77 | 79 | 67 | 67 | 57 | 55 | 57 | 62 | 55 | 141 | 138 | 175 | 157 | 3 | 29 | 30 | 12 |
Swell 2 Height (m) Direction Period (s) | E 13 | W 11 | E 12 | E 12 | E 12 | E 12 | E 11 | E 14 | E 13 | E 13 | E 13 | W 11 | N 12 | N 12 | N 12 | W 18 | N 12 | N 11 | SE 15 |
| kJ | 13 | 3 | 12 | 26 | 25 | 44 | 40 | 63 | 85 | 84 | 157 | 2 | 3 | 3 | 3 | 6 | 3 | 10 | 9 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 18 | E 16 | E 16 | E 15 | E 15 | E 15 | E 11 | E 11 | E 11 | W 11 | W 16 | W 11 | W 16 | W 16 | W 23 | SE 16 | SE 16 | W 22 |
| kJ | 2 | 6 | 5 | 20 | 41 | 38 | 38 | 22 | 21 | 37 | 2 | 5 | 2 | 5 | 5 | 11 | 10 | 10 | 9 |
Wind waves Height (m) Direction Period (s) | E 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 11 | E 12 | E 12 | E 12 |
| kJ | 130 | 203 | 127 | 97 | 97 | 97 | 117 | 117 | 121 | 135 | 142 | 218 | 186 | 186 | 161 | 504 | 389 | 400 | 650 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 23 | 23 | 9 | 9 | 9 | 9 | 23 | 23 | 25 | 23 | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 23 |
Best forecast wave conditions in Maui | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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