Surf Forecasts:
How big are the waves at Grandma's today (16 Jun):
- Morning surf: Morning surf (16 Jun, local time) - 3.5ft (1.0m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (16 Jun, local time) - 3.5ft (1.0m), 14s period with SSW swell.
- Evening surf: Evening surf (16 Jun, local time) - 3ft (0.9m), 14s period with SSW swell.
The current surf forecast for Grandma's at 2AM is: 1.0m 15s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a South-southeast direction (forecast issued at 07:00pm June 15). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Jun) | 3.5ft (1.0m) | 14s |
| Afternoon (16 Jun) | 3.5ft (1.0m) | 14s |
| Evening (16 Jun) | 3ft (0.9m) | 14s |
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 Thu afternoon, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
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 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 | SSW 13 | S 16 | S 16 | S 16 | S 16 | S 15 | S 14 | S 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 561 | 546 | 494 | 474 | 462 | 449 | 443 | 443 | 356 | 327 | 313 | 304 | 299 | 295 | 236 | 299 | 239 | 522 | 251 | 248 | 509 | 484 | 423 | 423 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | cross-off | off | glassy | off | off | off | off | glassy | glassy | glassy | glassy | glassy | off | cross-off | glassy | glassy | glassy | glassy | cross-on | glassy |
High Tide | 4:51PM0.89m | 4:58AM0.23m | 5:38PM0.87m | 5:57AM0.24m | 6:24PM0.82m | 7:01AM0.27m | ||||||||||||||||||
Low Tide | 00:03AM0.02m | 10:00AM-0.07m | 00:50AM0.02m | 10:50AM-0.03m | 1:34AM0.02m | 11:45AM0.03m | ||||||||||||||||||
 |  | | |  |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:08 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 26 |
Feels °C | 27 | 26 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 26 | 26 | 27 | 27 | 28 | 29 | 28 | 28 | 27 | 29 | 28 | 27 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 13 | S 16 | SSW 13 | SSW 13 | S 16 | S 15 | S 14 | S 14 |
| kJ | 561 | 546 | 494 | 474 | 462 | 449 | 443 | 443 | 356 | 327 | 313 | 304 | 299 | 295 | 236 | 299 | 239 | 522 | 170 | 222 | 509 | 484 | 423 | 423 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | S 19 | SSW 19 | SSW 18 | S 18 | S 18 | S 18 | S 18 | S 17 | WNW 10 | S 16 | S 16 | NW 10 | NW 10 | NW 10 | NNW 10 |
| kJ | 25 | 25 | 24 | 24 | 11 | 26 | 14 | 25 | 23 | 66 | 72 | 109 | 99 | 160 | 225 | 154 | 200 | 10 | 251 | 248 | 17 | 17 | 17 | 20 |
Swell 3 Height (m) Direction Period (s) | N 13 | W 11 | WSW 11 | WSW 11 | N 10 | SSE 11 | SSE 11 | SW 18 | S 19 | NNE 10 | NW 11 | NW 11 | WNW 11 | WNW 10 | SSW 17 | SSW 18 | NNE 11 | N 8 | NW 10 | NW 10 | SW 22 | SW 21 | SW 16 | SSW 20 |
| kJ | 13 | 21 | 11 | 11 | 8 | 11 | 11 | 13 | 29 | 10 | 18 | 18 | 11 | 10 | 29 | 30 | 12 | 5 | 16 | 16 | 18 | 18 | 10 | 40 |
Wind waves Height (m) Direction Period (s) | W 11 | E 4 | E 5 | E 5 | E 4 | E 9 | — | E 6 | E 4 | E 4 | E 5 | E 5 | E 5 | E 4 | — | E 4 | E 4 | E 4 | ESE 5 | ESE 4 | — | — | — | — |
| kJ | 21 | 24 | 34 | 27 | 18 | 57 | — | 24 | 18 | 31 | 51 | 37 | 27 | 19 | — | 10 | 14 | 14 | 13 | 12 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 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