Moonstone Surf Forecast and Surf Reports

(San Luis Obispo, USA)

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

Moonstone Surf Guide

Moonstone in San Luis Obispo is an exposed beach break that has very consistent surf and works all around the year. Works best in offshore winds from the east. Clean groundswells prevail and the best swell direction is from the west. The beach breaks offer lefts and rights. Sometimes crowded.

Moonstone Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach	2	very consistent	13.4°C*ocean temperature recorded from satellite

Surfing Moonstone:

The best conditions reported for surf at Moonstone occur when a West swell combines with an offshore wind direction from the East.

Hourly Forecast

16 Day Forecast

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

januaryBest Season: winter

The best time of year for surfing Moonstone with consistent clean waves (rideable swell with light / offshore winds) is during Winter and most often the month of January. Clean surfable waves are typically found 39% of the time in January while 60% of the time it tends to be blown out. For the remaining 1% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

39%

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

blown out

60%

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

too small

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

Explore Moonstone Location Map

Interactive Moonstone 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 Moonstone is Vandenberg Afb (Lompoc) Airport (VBG) in USA, 105 km (65 miles) away (directly). The second nearest airport to Moonstone is Lemoore Nas Airport (NLC), also in USA, 135 km (84 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.

Moonstone Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Tuesday, 5 May 2026, 23:08 Local Time

m, °C	Tue		Wed
ft, °F	8PM	11PM	2AM	5AM
Wave (m)	WNW	SW	SW	SW
Period (s)	12	15	15	16
Wind (km/h)
Wind State	cross- on	cross- on	cross	cross- off

Tides at Moonstone

Current tide and informaton

For Cambria, 3 km from Moonstone.

Next High Water: 12:27am | 1.9m

Next Low Water: 08:31am | 0.43m

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

Moonstone Sea Temperature

The water temperature (13.4 °C) at Moonstone is quite cool. If the sun shines as we have forecast, it should feel warm enough to surf in a good spring wetsuit. Effective windchill factor of (15.0 °C) will make the air and water feel about the same temperature.

Today, many surfers would wear a spring wetsuit.

Current Temp*: 13.4°C*ocean temperature recorded from satellite