Grandma's Surf Forecast and Surf Reports

(Maui, USA)

Forecast
- Hourly Forecast
- 16 Day Forecast
Maps
Live
Weather State
Spot Information

Grandma's Surf Guide

Grandma's in Maui is a fairly exposed reef break that has fairly consistent surf. Summer offers the best conditions for surfing. Offshore winds blow from the northeast. Groundswells more frequent than windswells and the best swell direction is from the southwest. Likely to be crowded if working.

Grandma's Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Reef	1	fairly consistent	25.2°C*ocean temperature recorded from satellite

Surfing Grandma's:

The best conditions reported for surf at Grandma's occur when a Southwest swell combines with an offshore wind direction from the Northeast.

Hourly Forecast

16 Day Forecast

What's the best time of year to surf Grandma's (for consistent clean waves)?

juneBest Season: summer

The best time of year for surfing Grandma's with consistent clean waves (rideable swell with light / offshore winds) is during Summer and most often the month of June. Clean surfable waves are typically found 63% of the time in June while 1% of the time it tends to be blown out. For the remaining 36% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

63%

Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.

blown out

Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).

too small

36%

Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Grandma's Location Map

Interactive Grandma's surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The closest passenger airport to Grandma's is Kahului Airport (OGG) in Usa Maui Isl., 18 km (11 miles) away (directly). The second nearest airport to Grandma's is Kapalua (Lahania-kapalua) Airport (JHM), also in Usa Maui Isl., 23 km (14 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Grandma's Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Tuesday, 5 May 2026, 21:48 Local Time

m, °C	Tuesday 05			Wed
ft, °F	5PM	8PM	11PM	2AM
Wave (m)	NW	NW	NW	NW
Period (s)	11	11	11	11
Wind (km/h)
Wind State	glass	glass	glass	glass

What does Grandma's look like?

Latest photos from Grandma's. Upload your own or view all photos on the gallery page.

Credit: Meg Kelsic Credit: Meg Kelsic Credit: Meg Kelsic Credit: Bobby Tanaka Credit: Bobby Tanaka

Tides at Grandma's

Current tide and informaton

For Kihei, Maui (Hawaii), 9 km from Grandma's.

Next High Water: 07:24am | 0.2m

Next Low Water: 02:21am | 0.1m

NEXT	IS AT (local time)	remaining
high tide
low tide

Grandma's Sea Temperature

Sunny with very warm air temperatures, feeling like 25.0 °C once we account for any wind. Sea temperatures (25.2 °C) very warm too. Staying comfortable in the water at Grandma's won't be a problem, but wear at least a rash-vest to keep the UV off.

Today, many surfers would wear a rashvest wetsuit.

Current Temp*: 25.2°C*ocean temperature recorded from satellite