Surf Forecasts:
How big are the waves at Grandma's today (15 Jun):
- Morning surf: Morning surf (15 Jun, local time) - 4ft (1.2m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (15 Jun, local time) - 3.5ft (1.1m), 16s period with SSW swell.
- Evening surf: Evening surf (15 Jun, local time) - 3.5ft (1.1m), 15s period with SSW swell.
The current surf forecast for Grandma's at 1AM is: 1.2m 17s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a South-southeast direction (forecast issued at 07:00pm June 14). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jun) | 4ft (1.2m) | 16s |
| Afternoon (15 Jun) | 3.5ft (1.1m) | 16s |
| Evening (15 Jun) | 3.5ft (1.1m) | 15s |
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 27°C on Mon afternoon, min 23°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
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) | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 18 | SSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 713 | 705 | 697 | 795 | 749 | 714 | 590 | 575 | 561 | 546 | 494 | 474 | 462 | 449 | 443 | 443 | 356 | 346 | 331 | 304 | 299 | 295 | 236 | 299 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | glassy | off | cross-off | off | cross-off | off | cross-off | off | glassy | off | cross-off | cross-off | off | glassy | glassy | glassy | cross-on | glassy |
High Tide | 4:04PM0.89m | 4:02AM0.23m | 4:51PM0.89m | 4:58AM0.23m | 5:38PM0.87m | 5:57AM0.24m | ||||||||||||||||||
Low Tide | 11:15PM0.04m | 9:11AM-0.10m | 00:03AM0.02m | 10:00AM-0.07m | 00:50AM0.02m | 10:50AM-0.03m | ||||||||||||||||||
 |  | | | |  | |  | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:07 |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 24 | 23 | 23 | 25 | 26 | 27 | 26 | 25 | 24 | 24 | 23 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 26 | 26 |
Feels °C | 26 | 25 | 25 | 24 | 24 | 25 | 28 | 29 | 25 | 25 | 25 | 26 | 24 | 27 | 28 | 28 | 27 | 26 | 27 | 26 | 27 | 27 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 713 | 705 | 697 | 795 | 749 | 714 | 590 | 575 | 561 | 546 | 494 | 474 | 462 | 449 | 443 | 443 | 356 | 346 | 331 | 304 | 299 | 295 | 236 | 299 |
Swell 2 Height (m) Direction Period (s) | S 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SE 11 | SE 11 | SSE 11 | SE 11 | SE 11 | NNW 12 | NNW 12 | SW 18 | S 19 | S 19 | SSW 19 | SSW 18 | S 18 | S 18 | S 18 | S 18 |
| kJ | 47 | 49 | 49 | 48 | 47 | 47 | 27 | 27 | 45 | 33 | 24 | 31 | 29 | 13 | 14 | 13 | 29 | 65 | 72 | 109 | 99 | 160 | 225 | 154 |
Swell 3 Height (m) Direction Period (s) | SW 12 | W 12 | WSW 12 | W 12 | WSW 11 | WSW 11 | SSW 11 | SSW 11 | S 11 | NW 11 | WSW 11 | WSW 11 | N 10 | SSE 11 | SSE 11 | NE 10 | NW 11 | WNW 11 | NNE 5 | NW 11 | WNW 11 | NW 11 | SSW 17 | SSW 18 |
| kJ | 36 | 45 | 47 | 25 | 12 | 11 | 11 | 23 | 40 | 18 | 11 | 11 | 8 | 11 | 11 | 4 | 5 | 12 | 5 | 18 | 11 | 4 | 29 | 30 |
Wind waves Height (m) Direction Period (s) | — | — | E 4 | E 4 | E 4 | E 4 | E 4 | E 4 | NNW 11 | E 4 | ESE 5 | E 5 | ESE 5 | E 4 | E 4 | NNW 11 | NNE 3 | NNE 4 | E 4 | E 4 | E 4 | E 4 | — | — |
| kJ | — | — | 22 | 33 | 30 | 19 | 20 | 22 | 40 | 27 | 37 | 43 | 35 | 15 | 10 | 25 | 6 | 5 | 18 | 22 | 22 | 13 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 14 | 4 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grandma's surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest