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Agate Beach, California

Beach in Marin County, California

Air quality

The air at Agate Beach

Index 42, good, led by fine particles. Read at 2 PM from its reporting area, San Rafael (CA), 11 miles off.

42Good
  • Fine particles (PM2.5)42Good11.5 mi
  • Ozone42Good51 ppb11.5 mi
  • Nitrogen dioxide3Good3.9 ppb11.5 mi
  • Sulfur dioxide4Good3.7 ppb19.2 mi
  • Carbon monoxide-0.2 ppm11.5 mi

The days ahead

Good each day through Wed Oct 21, led by ozone. Yesterday measured 44, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 11 AM: the index from smoke stays at 11 or under.

FriSatSun

Precipitation

What has fallen at Agate Beach

None in the last 3 days, to Fri 2 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 Agate Beach, the next 45 hours

Visibility stays 8 miles or more through Sun 11 AM, lowest 9 miles Sun 9 AM.

FriSatSun
Agate Beach from its sand, nowLooking SW from the sand at 3:17 PM, the sun ahead, clear, waves about 4.5 ft every 12 s, the tide falling at 5.2 ft.210220SW230240Facing SW 225°Moon 80° leftWind 3 mphfrom NW, along the beachSwell 4.5 ft from WSWLongshore current, to the left
Looking SW from the sand at 3:17 PM, the sun ahead, clear, waves about 4.5 ft every 12 s, the tide falling at 5.2 ft.
NESW

Facing SW 225°

300 ft

From above: the edge, the break, the view

Surf and swim

The surf zone forecast for Sonoma and Marin County Coastal Areas, and the waves at buoy 46026, 12.3 mi away.

Rest of today

Surf height
3 to 6 feet
Water temperature
-

Waves at buoy 46026, San Francisco

Wave height
3.0 ft
Period
12 s
From
WSW (248°)
Swell
3.0 ft at 12 s from WSW
Wind waves
1.0 ft at 3 s from WNW
Water
61 °F
Read
Fri 2:50 PM
Distance
12.3 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 3.0 ft to 5.2 ft; 3.0 ft at Fri 2:50 PM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ft6 PMThu6 AMNoon6 PMFri6 AMNoon3.0 ftWave height at buoy 46026, last 48 hoursSignificant wave height from 3.0 ft to 5.2 ft; 3.0 ft at Fri 2:50 PM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ftThuNoonFriNoon3.0 ft
Significant wave height from 3.0 ft to 5.2 ft; 3.0 ft at Fri 2:50 PM. Arrows show the way the waves travel.
Every hour, last 24 hours
TimeWave heightPeriodFrom
Fri 2:50 PM3.0 ft12 sWSW (248°)
Fri 1:50 PM3.3 ft13 sSW (236°)
Fri 12:50 PM3.3 ft-SW (234°)
Fri 11:50 AM3.6 ft14 sWSW (244°)
Fri 10:50 AM3.6 ft15 sSW (214°)
Fri 9:50 AM3.6 ft15 sSSW (202°)
Fri 8:50 AM3.6 ft15 sSW (229°)
Fri 7:50 AM3.9 ft15 sSW (221°)
Fri 6:50 AM3.6 ft14 sW (262°)
Fri 5:50 AM3.9 ft15 sSW (227°)
Fri 4:50 AM3.9 ft15 sSW (215°)
Fri 3:50 AM3.9 ft15 sSW (227°)
Fri 2:50 AM3.9 ft13 sWNW (287°)
Fri 1:50 AM3.9 ft15 sSW (231°)
Fri 12:50 AM4.3 ft-WSW (247°)
Thu 11:50 PM3.9 ft16 sWSW (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°)

Surf zone forecast

Sonoma and Marin County Coastal Areas. Issued 2:41 PM PDT Fri Oct 16.

ForecastRest of todaySaturday
Surf height3 to 6 feet5 to 8 feet
Water temperature--
Thunderstorm potentialNone expectedNone expected
WeatherMostly sunnyPartly cloudy
High temperature62-9258-87
WindNW at 4 mphNW at 6 mph becoming NW at 9 mph
TidesHigh 4.2 ft, 5:32 AMLow 3.6 ft, 9:28 AMHigh 5.2 ft, 3:11 PMLow 0.5 ft, 10:32 PMHigh 4.2 ft, 6:48 AMLow 3.7 ft, 10:56 AMHigh 4.9 ft, 4:10 PMLow 0.6 ft, 11:38 PM

Tide

TideLow 3.6 ft at Fri 9:28 AM, High 5.2 ft at Fri 3:11 PM, Low 0.5 ft at Fri 10:32 PM, High 4.2 ft at Sat 6:48 AM, Low 3.7 ft at Sat 10:56 AM, High 4.9 ft at Sat 4:10 PM, Low 0.6 ft at Sat 11:38 PM. Heights in feet above mean lower low water.0 ft2 ft4 ft6 ft8 ftNoon6 PMSat6 AMNoon6 PMSun3.6 ft9:28 AM5.2 ft3:11 PM0.5 ft10:32 PM4.2 ft6:48 AM3.7 ft10:56 AM4.9 ft4:10 PM0.6 ft11:38 PMNow 5.2 ftTideLow 3.6 ft at Fri 9:28 AM, High 5.2 ft at Fri 3:11 PM, Low 0.5 ft at Fri 10:32 PM, High 4.2 ft at Sat 6:48 AM, Low 3.7 ft at Sat 10:56 AM, High 4.9 ft at Sat 4:10 PM. Heights in feet above mean lower low water.0 ft2 ft4 ft6 ft8 ftNoonSatNoon3.6 ft9:28 AM5.2 ft3:11 PM0.5 ft10:32 PM4.2 ft6:48 AM3.7 ft10:56 AM4.9 ft4:10 PMNow 5.2 ft
Tide. Low 3.6 ft at Fri 9:28 AM, High 5.2 ft at Fri 3:11 PM, Low 0.5 ft at Fri 10:32 PM, High 4.2 ft at Sat 6:48 AM, Low 3.7 ft at Sat 10:56 AM, High 4.9 ft at Sat 4:10 PM, Low 0.6 ft at Sat 11:38 PM. Heights in feet above mean lower low water.

Beach

County
Marin County
State
California
Latitude
37.8974° N
Longitude
122.7108° W

What is measuring near here

The 6 instruments nearest Agate 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 now4 instruments

Middle PeakMDEC1

At a river or reservoir gauge/6.9 mi away/1,926 ft/- ft from here

temp, wind, gust, humidity, pressure

Citizen station GW0319GW0319

In a volunteer observer's own ground/8.3 mi away/157 ft/- ft from here

temp, humidity, wind, precip, pressure

NovatoDVO

At an airfield/19.0 mi away/3 ft/- ft from here

temp, wind, gust, visibility, precip, pressure

Bodega 6 WSW93245

At a climate reference station/35.1 mi away/63 ft/- ft from here

temp, humidity, wind, solar, precip

measured daily2 instruments

Bolinas 0.2 WCA-MR-30

In a volunteer observer's own ground/0.8 mi away/190 ft/- ft from here

precip, snowfall, snow depth

Mill Valley - Muir WoodsMUIC1

At a cooperative observer's station/7.7 mi away/850 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 Agate Beach

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

Beaches near Agate Beach

Every beach in the state

Near Agate Beach

River and lake gauges