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Mile Rock Beach, California

Beach in San Francisco County, California

Air quality

The air at Mile Rock Beach

Index 54, moderate, led by fine particles. Read at 11 PM from its reporting area, San Francisco (CA), 5 miles off.

54Moderate
  • Fine particles (PM2.5)54Moderate6.4 mi
  • Ozone14Good10 ppb6.4 mi
  • Nitrogen dioxide22Good23.9 ppb6.4 mi
  • Sulfur dioxide0Good0.3 ppb12.5 mi
  • Carbon monoxide-0.8 ppm6.4 mi

The days ahead

Highest moderate, Sat Oct 17, led by fine particles. Yesterday measured 43, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Mile Rock Beach

None in the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Mile Rock Beach, the next 42 hours

Visibility stays 6 miles or more through Sat 5 PM, lowest 7 miles Sat 1 AM.

FriSat
Mile Rock Beach from its sand, nowLooking NNW from the sand at 12:17 AM, night, clear, waves about 3.1 ft every 9 s.320330340350Facing NNW 338°Wind 1 mphfrom WNW, onshore
Looking NNW from the sand at 12:17 AM, night, clear, waves about 3.1 ft every 9 s.
NESW

Facing NNW 338°

300 ft

From above: the edge, the break, the view

Surf and swim

The waves at buoy 46026, 18.3 mi away.

Waves at buoy 46026, San Francisco

Wave height
3.9 ft
Period
-
From
WSW (246°)
Swell
3.9 ft at 16 s from WSW
Wind waves
1.0 ft at 3 s from WNW
Water
60 °F
Read
Thu 11:40 PM
Distance
18.3 mi

Wave height is the significant height: the mean of the highest third of the waves. The period is the time between the waves carrying the most energy.

Wave height at buoy 46026, last 48 hoursSignificant wave height from 3.6 ft to 5.6 ft; 3.9 ft at Thu 11:40 PM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ft8 ft6 AMNoon6 PMThu6 AMNoon6 PM3.9 ftWave height at buoy 46026, last 48 hoursSignificant wave height from 3.6 ft to 5.6 ft; 3.9 ft at Thu 11:40 PM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ft8 ftNoonThuNoon3.9 ft
Significant wave height from 3.6 ft to 5.6 ft; 3.9 ft at Thu 11:40 PM. Arrows show the way the waves travel.
Every hour, last 24 hours
TimeWave heightPeriodFrom
Thu 11:40 PM3.9 ft-WSW (246°)
Thu 10:50 PM4.3 ft15 sSW (219°)
Thu 9:50 PM3.6 ft14 sW (274°)
Thu 8:50 PM4.3 ft-WSW (241°)
Thu 7:50 PM3.6 ft13 sW (260°)
Thu 6:50 PM3.9 ft14 sSW (228°)
Thu 5:50 PM3.9 ft14 sWSW (248°)
Thu 4:50 PM3.9 ft15 sWSW (239°)
Thu 3:50 PM4.3 ft15 sWSW (243°)
Thu 2:50 PM3.9 ft15 sSW (230°)
Thu 1:50 PM3.9 ft15 sSW (221°)
Thu 12:50 PM3.9 ft15 sWSW (256°)
Thu 11:50 AM3.9 ft15 sSW (235°)
Thu 10:50 AM4.3 ft15 sWSW (239°)
Thu 9:50 AM3.9 ft14 sW (260°)
Thu 8:50 AM4.3 ft15 sSW (233°)
Thu 7:50 AM4.6 ft-WSW (245°)
Thu 6:50 AM4.3 ft14 sW (270°)
Thu 5:50 AM3.9 ft15 sW (263°)
Thu 4:50 AM3.9 ft-W (280°)
Thu 3:50 AM4.3 ft15 sWSW (252°)
Thu 2:50 AM4.6 ft14 sW (274°)
Thu 1:50 AM4.3 ft15 sW (276°)
Thu 12:50 AM4.3 ft-WNW (287°)

Beach

County
San Francisco County
State
California
Latitude
37.7876° N
Longitude
122.5061° W

What is measuring near here

The 5 instruments nearest Mile Rock Beach, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now3 instruments

San FranciscoNDBC-FTPC1

At a river or reservoir gauge/2.5 mi away/-/- ft from here

temp, wind, gust, humidity, pressure

Citizen station FW6803FW6803

In a volunteer observer's own ground/4.1 mi away/198 ft/- ft from here

temp, humidity, wind, precip, pressure

San Francisco INTLSFO

At an airfield/13.7 mi away/16 ft/- ft from here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

San Francisco 4.7 WCA-SF-23

In a volunteer observer's own ground/0.8 mi away/130 ft/- ft from here

precip, snowfall, snow depth

San Francisco OceansideSRSC1

At a cooperative observer's station/4.1 mi away/67 ft/- ft from here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in California

33 places, each with its own forecast and its own instruments.

Near Mile Rock Beach

The nearest places, each with its own forecast and the instruments nearest it.

Near Mile Rock Beach