Surf Forecasts:
How big are the waves at Grandma's today (11 Jun):
- Morning surf: Morning surf (11 Jun, local time) - 1.5ft (0.4m), 18s period with S swell.
- Afternoon surf: Afternoon surf (11 Jun, local time) - 1ft (0.3m), 18s period with S swell.
- Evening surf: Evening surf (11 Jun, local time) - 1.5ft (0.4m), 17s period with S swell.
The current surf forecast for Grandma's at 10PM is: 0.4m 16s primary swell from a South direction and 0.3m 12s secondary swell from a South direction (forecast issued at 01:00pm June 11). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Jun) | 1.5ft (0.4m) | 18s |
| Afternoon (11 Jun) | 1ft (0.3m) | 18s |
| Evening (11 Jun) | 1.5ft (0.4m) | 17s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
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) | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | 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 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 98 | 98 | 55 | 50 | 82 | 127 | 127 | 81 | 97 | 96 | 106 | 104 | 222 | 218 | 314 | 426 | 427 | 408 | 521 | 511 | 823 | 550 | 716 | 716 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | off | cross-off | cross-off | cross-off | off | off | glassy | glassy | cross-off | off | cross-off | off | off | off | glassy | glassy | cross-off | cross-off | off | off | off | cross-off |
High Tide | 1:46PM0.73m | 1:15AM0.30m | 2:31PM0.81m | 2:12AM0.26m | 3:18PM0.86m | 3:07AM0.24m | ||||||||||||||||||
Low Tide | 8:26PM0.13m | 6:55AM-0.10m | 9:28PM0.09m | 7:39AM-0.11m | 10:23PM0.06m | |||||||||||||||||||
 | | |  | |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | 7:07 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 24 | 24 | 23 | 23 | 24 | 26 | 26 | 26 | 24 | 23 | 23 | 23 | 24 | 26 | 26 | 26 | 24 | 24 | 23 | 23 | 24 |
Feels °C | 28 | 28 | 27 | 25 | 26 | 24 | 25 | 25 | 29 | 29 | 28 | 25 | 23 | 24 | 24 | 24 | 28 | 28 | 26 | 23 | 24 | 23 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | 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 |
| kJ | 98 | 98 | 55 | 50 | 82 | 127 | 127 | 81 | 78 | 69 | 106 | 104 | 104 | 218 | 314 | 426 | 427 | 408 | 521 | 511 | 823 | 550 | 716 | 716 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | S 12 | S 12 | SSE 12 | SSE 12 | SSE 12 | SW 20 | 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 |
| kJ | 30 | 28 | 27 | 26 | 26 | 48 | 48 | 48 | 97 | 96 | 96 | 96 | 222 | 67 | 159 | 155 | 155 | 88 | 88 | 87 | 55 | 138 | 51 | 50 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | S 10 | NNE 5 | S 10 | SW 21 | NNW 10 | NW 10 | WNW 10 | SSE 12 | S 12 | S 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 |
| kJ | 19 | 17 | 2 | 17 | 72 | 10 | 16 | 9 | 28 | 25 | 25 | 23 | 96 | 93 | 64 | 57 | 88 | 154 | 79 | 147 | 27 | 53 | 91 | 66 |
Wind waves Height (m) Direction Period (s) | E 8 | — | E 8 | ESE 4 | E 4 | E 7 | E 4 | — | — | NNW 10 | NNE 3 | NNE 4 | E 7 | E 7 | E 7 | E 7 | E 7 | NNW 9 | N 9 | N 9 | NE 8 | SE 13 | — | — |
| kJ | 110 | — | 71 | 14 | 16 | 69 | 6 | — | — | 9 | 3 | 4 | 48 | 63 | 47 | 47 | 34 | 8 | 14 | 14 | 32 | 238 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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