Surf Forecasts:
How big are the waves at Grandma's today (09 Jun):
- Afternoon surf: Afternoon surf (09 Jun, local time) - 1.5ft (0.4m), 15s period with S swell.
- Evening surf: Evening surf (09 Jun, local time) - 1.5ft (0.4m), 15s period with S swell.
The current surf forecast for Grandma's at 11PM is: 0.4m 15s primary swell from a South direction and 0.4m 11s secondary swell from a South direction (forecast issued at 07:00pm June 09). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Jun) | - | - |
| Afternoon (09 Jun) | 1.5ft (0.4m) | 15s |
| Evening (09 Jun) | 1.5ft (0.4m) | 15s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed afternoon. Warm (max 26°C on Wed morning, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 9 | Wednesday 10 | Thursday 11 | Fri 12 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 18 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | SW 20 | SW 19 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 69 | 68 | 67 | 38 | 38 | 38 | 36 | 33 | 32 | 31 | 31 | 31 | 58 | 55 | 98 | 98 | 55 | 50 | 82 | 127 | 127 | 81 | 97 | 96 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | glassy | cross-off | off | off | off | off | off | off | glassy | off | cross-off | cross-off | off | off | off | glassy | glassy | glassy |
High Tide | 11:19PM0.40m | 1:00PM0.64m | 00:17AM0.34m | 1:46PM0.73m | 1:15AM0.30m | |||||||||||||||||||
Low Tide | 5:52PM0.20m | 5:33AM-0.05m | 7:15PM0.17m | 6:13AM-0.08m | 8:26PM0.13m | 6:55AM-0.10m | ||||||||||||||||||
 |  | | | |  | |  |  | | | | | | | | | | |  | | | | | |
 | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — |
 | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:07 |
mm | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 24 | 26 | 26 | 26 | 24 | 23 | 23 | 23 | 24 | 25 | 25 |
Feels °C | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 26 | 27 | 26 | 26 | 25 | 25 | 29 | 27 | 27 | 24 | 24 | 25 | 25 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | S 11 | S 11 | S 11 | S 11 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 18 | S 18 | S 18 | S 18 | NNE 4 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 |
| kJ | 69 | 68 | 37 | 37 | 37 | 37 | 36 | 33 | 32 | 31 | 31 | 31 | 31 | 55 | 98 | 98 | 55 | 6 | 82 | 127 | 127 | 81 | 78 | 69 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 15 | S 15 | S 15 | S 15 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 13 | S 13 | SSE 10 | S 12 | S 17 | SSE 10 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SW 19 |
| kJ | 38 | 37 | 67 | 38 | 38 | 38 | 20 | 19 | 18 | 18 | 18 | 18 | 18 | 31 | 30 | 18 | 27 | 50 | 18 | 48 | 48 | 48 | 48 | 96 |
Swell 3 Height (m) Direction Period (s) | SE 5 | SE 6 | SE 5 | SSE 4 | N 5 | SE 5 | ESE 4 | SE 5 | SE 5 | SE 5 | SE 5 | S 19 | S 18 | S 10 | SSE 10 | S 13 | S 10 | S 12 | NNE 4 | NNW 10 | NNW 10 | NW 10 | SW 20 | SSE 12 |
| kJ | 4 | 5 | 4 | 2 | 2 | 1 | 2 | 4 | 3 | 4 | 1 | 29 | 58 | 17 | 19 | 28 | 7 | 26 | 3 | 10 | 10 | 15 | 97 | 47 |
Wind waves Height (m) Direction Period (s) | E 6 | E 8 | E 8 | E 8 | E 8 | E 8 | E 5 | E 5 | E 5 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | NNE 4 | E 8 | E 8 | E 4 | E 4 | ESE 4 | E 7 | — |
| kJ | 75 | 263 | 208 | 177 | 124 | 173 | 37 | 74 | 53 | 163 | 137 | 137 | 113 | 92 | 89 | — | 12 | 89 | 89 | 11 | 10 | 5 | 53 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 4 | 4 | 12 | 12 | 12 | 4 | 12 | 4 | 12 | 12 | 12 | 4 | 4 | 4 | 4 | 4 | 12 | 4 | 4 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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