Surf Forecasts:
How big are the waves at Grandma's today (30 Oct):
- Morning surf: Morning surf (30 Oct, local time) - 3.5ft (1.1m), 14s period with S swell.
- Afternoon surf: Afternoon surf (30 Oct, local time) - 3.5ft (1.0m), 14s period with S swell.
- Evening surf: Evening surf (30 Oct, local time) - 3.5ft (1.0m), 14s period with S swell.
The current surf forecast for Grandma's at 10AM is: 1.1m 14s primary swell from a South direction (forecast issued at 07:00am October 30). An open ocean swell of 0.4m 6s is not directed at the surf break, a second open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Oct) | 3.5ft (1.1m) | 14s |
| Afternoon (30 Oct) | 3.5ft (1.0m) | 14s |
| Evening (30 Oct) | 3.5ft (1.0m) | 14s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Fri morning, min 23°C on Sun night). Winds increasing (calm on Sat afternoon, fresh winds from the NE by Sun night). | |||||||||||||||||||||||
Friday 30 | Saturday 31 | Sunday 1 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | NW 21 | NW 20 | NW 19 | NW 18 | NW 18 | NW 17 | NW 17 | NW 16 | NW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 496 | 508 | 508 | 423 | 411 | 388 | 356 | 350 | 280 | 222 | 222 | 284 | 293 | 257 | 216 | 335 | 450 | 491 | 621 | 587 | 540 | 515 | 502 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | cross-off | off | off | off | cross-off | glassy | glassy | off | cross-off | cross-off | off | off | cross-off | cross-off | off | off | off |
High Tide | 7:33AM0.80m | 8:02PM0.25m | 8:36AM0.77m | 9:34PM0.28m | 9:40AM0.73m | 10:53PM0.34m | |||||||||||||||||
Low Tide | 3:02PM0.13m | 00:41AM0.09m | 4:11PM0.12m | 1:53AM0.14m | 5:04PM0.09m | ||||||||||||||||||
 |  | | | | | |  | | | | | | | | | | | | |  | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 26 | 26 | 25 | 24 | 24 |
Feels °C | 28 | 27 | 28 | 26 | 26 | 25 | 25 | 25 | 25 | 28 | 29 | 30 | 30 | 28 | 28 | 26 | 25 | 24 | 26 | 25 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | S 12 | NW 20 | S 15 | NW 18 | NW 18 | NW 17 | NW 17 | NW 16 | NW 16 |
| kJ | 496 | 508 | 508 | 423 | 411 | 388 | 356 | 350 | 280 | 222 | 222 | 284 | 293 | 257 | 104 | 335 | 302 | 491 | 621 | 587 | 540 | 515 | 502 |
Swell 2 Height (m) Direction Period (s) | NNE 10 | N 10 | NNE 6 | N 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | SSW 17 | S 17 | NNE 8 | NNE 8 | NNE 8 | S 15 | S 15 | NW 19 | S 12 | S 13 | S 13 | S 13 | S 13 | S 14 |
| kJ | 33 | 49 | 11 | 48 | 29 | 28 | 27 | 26 | 26 | 92 | 53 | 14 | 22 | 13 | 112 | 157 | 450 | 153 | 168 | 163 | 168 | 128 | 136 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SSW 18 | NNE 10 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SW 17 | SSW 7 | NNE 9 | NNE 8 | S 8 | SSW 16 | NW 22 | NW 21 | S 12 | NNE 8 | S 16 | SSW 16 | SSW 15 | SW 15 | SSW 15 | SW 15 |
| kJ | 50 | 31 | 19 | 31 | 31 | 31 | 30 | 45 | 5 | 15 | 14 | 5 | 25 | 73 | 216 | 67 | 13 | 127 | 51 | 21 | 8 | 21 | 8 |
Wind waves Height (m) Direction Period (s) | — | E 6 | E 5 | E 5 | E 5 | E 5 | E 5 | E 6 | E 6 | E 4 | E 4 | — | E 5 | E 4 | E 5 | E 5 | E 4 | NNE 8 | NNE 3 | NNE 3 | NNE 4 | NE 4 | NNE 4 |
| kJ | — | 42 | 55 | 73 | 76 | 62 | 57 | 48 | 50 | 29 | 26 | — | 36 | 40 | 36 | 22 | 16 | 21 | 7 | 9 | 24 | 17 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 12 | 12 | 12 | 12 | 14 |
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