Surf Forecasts:
How big are the waves at Grandma's today (12 Jun):
- Morning surf: Morning surf (12 Jun, local time) - 1.5ft (0.4m), 16s period with S swell.
- Afternoon surf: Afternoon surf (12 Jun, local time) - 1.5ft (0.4m), 19s period with SW swell.
- Evening surf: Evening surf (12 Jun, local time) - 1.5ft (0.4m), 19s period with SW swell.
The current surf forecast for Grandma's at 7PM is: 0.5m 15s primary swell from a South direction and 0.4m 19s secondary swell from a Southwest direction (forecast issued at 01:00pm June 12). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Jun) | 1.5ft (0.4m) | 16s |
| Afternoon (12 Jun) | 1.5ft (0.4m) | 19s |
| Evening (12 Jun) | 1.5ft (0.4m) | 19s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Warm (max 26°C on Fri afternoon, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 20 | SW 19 | SW 19 | SW 19 | SSW 24 | SSW 24 | SSW 24 | SSW 23 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 21 | SSW 20 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 97 | 96 | 106 | 104 | 222 | 218 | 314 | 426 | 427 | 408 | 521 | 511 | 823 | 550 | 716 | 716 | 838 | 753 | 713 | 705 | 697 | 795 | 749 | 714 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-off | off | off | off | off | glassy | glassy | off | cross-off | cross-off | off | off | off | cross-off | off | off | off | off | off | off | off |
High Tide | 2:31PM0.81m | 2:12AM0.26m | 3:18PM0.86m | 3:07AM0.24m | 4:04PM0.89m | 4:02AM0.23m | ||||||||||||||||||
Low Tide | 9:28PM0.09m | 7:39AM-0.11m | 10:23PM0.06m | 8:24AM-0.11m | 11:15PM0.04m | |||||||||||||||||||
 | | |  | | | | | | | | | | | | |  | |  | | | | | | |
 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:45 | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | 7:07 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 24 | 23 | 23 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 23 | 25 | 26 | 26 | 26 | 25 | 24 | 23 | 23 | 24 |
Feels °C | 28 | 28 | 28 | 25 | 25 | 24 | 24 | 26 | 28 | 28 | 26 | 25 | 24 | 25 | 23 | 26 | 27 | 28 | 27 | 26 | 25 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | S 15 | S 15 | SSW 24 | SSW 24 | SSW 23 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 21 | SSW 20 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 78 | 69 | 106 | 104 | 104 | 218 | 314 | 426 | 427 | 408 | 521 | 511 | 823 | 550 | 716 | 716 | 838 | 753 | 713 | 705 | 697 | 795 | 749 | 714 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SW 19 | SW 19 | SW 19 | SSW 24 | S 15 | SW 18 | SW 18 | SW 18 | S 13 | S 13 | S 13 | S 13 | SW 17 | SSE 12 | SSE 12 | S 12 | SSE 12 | SSE 12 | SSE 12 | WSW 12 | SSE 12 | SSE 12 | SSE 12 |
| kJ | 48 | 96 | 96 | 96 | 222 | 67 | 159 | 155 | 155 | 88 | 88 | 87 | 55 | 138 | 51 | 50 | 47 | 86 | 58 | 83 | 47 | 48 | 56 | 47 |
Swell 3 Height (m) Direction Period (s) | SW 20 | S 12 | SSE 12 | S 11 | SW 19 | SW 19 | S 14 | S 14 | S 13 | SW 18 | SW 18 | SW 17 | SW 13 | S 13 | SW 16 | SW 16 | WSW 12 | NNW 13 | SW 12 | WSW 12 | SSE 12 | W 12 | WSW 11 | WSW 11 |
| kJ | 97 | 25 | 48 | 23 | 96 | 93 | 64 | 57 | 88 | 154 | 79 | 147 | 27 | 53 | 91 | 66 | 28 | 17 | 50 | 56 | 49 | 25 | 12 | 11 |
Wind waves Height (m) Direction Period (s) | — | NNW 10 | NNW 10 | NNE 3 | NNE 4 | E 7 | E 7 | E 7 | — | — | NNE 8 | N 9 | E 7 | SE 13 | SSE 12 | — | — | NW 12 | NNW 12 | E 12 | ESE 12 | ENE 4 | E 4 | E 4 |
| kJ | — | 9 | 18 | 6 | 5 | 36 | 35 | 35 | — | — | 22 | 14 | 44 | 196 | 96 | — | — | 50 | 82 | 144 | 164 | 24 | 30 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 12 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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