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Pirates Cove, California

Beach in Marin County, California

Air quality

The air at Pirates Cove

Index 19, good, led by nitrogen dioxide. Read at 5 AM from its reporting area, San Rafael (CA), 9 miles off.

19Good
  • Fine particles (PM2.5)9Good8.7 mi
  • Ozone14Good4 ppb14.1 mi
  • Nitrogen dioxide19Good20 ppb14.1 mi
  • Carbon monoxide-0.6 ppm14.1 mi

The days ahead

Good each day through Tue Oct 20, led by ozone. Yesterday measured 44, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Pirates Cove

None in the last 3 days, to Fri 4 AM. 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 Pirates Cove, the next 43 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat
Pirates Cove from its sand, nowLooking SW from the sand at 5:39 AM, night, clear, waves about 5.5 ft every 15 s, the tide falling at 4.2 ft.220SW230240250Facing SW 233°Wind 6 mphfrom ENE, offshoreSwell 5.5 ft from SWLongshore current, to the right
Looking SW from the sand at 5:39 AM, night, clear, waves about 5.5 ft every 15 s, the tide falling at 4.2 ft.
NESW

Facing SW 233°

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, 16.6 mi away.

Today

Surf height
4 to 7 feet
Water temperature
-

Waves at buoy 46026, San Francisco

Wave height
3.9 ft
Period
15 s
From
SW (215°)
Swell
3.6 ft at 15 s from SW
Wind waves
1.0 ft at 4 s from WNW
Water
60 °F
Read
Fri 4:50 AM
Distance
16.6 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 Fri 4:50 AM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ft8 ftNoon6 PMThu6 AMNoon6 PMFri3.9 ftWave height at buoy 46026, last 48 hoursSignificant wave height from 3.6 ft to 5.6 ft; 3.9 ft at Fri 4:50 AM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ft8 ftNoonThuNoonFri3.9 ft
Significant wave height from 3.6 ft to 5.6 ft; 3.9 ft at Fri 4:50 AM. Arrows show the way the waves travel.
Every hour, last 24 hours
TimeWave heightPeriodFrom
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°)
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°)

Surf zone forecast

Sonoma and Marin County Coastal Areas. Issued 2:58 AM PDT Fri Oct 16.

ForecastTodaySaturday
Surf height4 to 7 feet4 to 7 feet
Water temperature--
Thunderstorm potentialNone expectedNone expected
WeatherMostly sunnyPartly cloudy
High temperature59-9057-86
WindNW at 3 mphNW at 6 mph becoming NW at 10 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

TideHigh 4.2 ft at Fri 5:32 AM, 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.0 ft2 ft4 ft6 ft8 ft6 AMNoon6 PMSat6 AMNoon6 PMSun4.2 ft5:32 AM3.6 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 4.2 ftTideHigh 4.2 ft at Fri 5:32 AM, 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. Heights in feet above mean lower low water.0 ft2 ft4 ft6 ft8 ftNoonSat4.2 ft5:32 AM3.6 ft9:28 AM5.2 ft3:11 PM0.5 ft10:32 PM4.2 ft6:48 AM3.7 ft10:56 AMNow 4.2 ft
Tide. High 4.2 ft at Fri 5:32 AM, 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
37.8518° N
Longitude
122.5620° W

What is measuring near here

The 5 instruments nearest Pirates Cove, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now3 instruments

Citizen station FW2001FW2001

In a volunteer observer's own ground/7.5 mi away/93 ft/- ft from here

temp, humidity, wind, precip, pressure

San Francisco INTLSFO

At an airfield/19.1 mi away/16 ft/- ft from here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

Muir Beach 0.1 NNWCA-MR-17

In a volunteer observer's own ground/1.4 mi away/417 ft/- ft from here

precip, snowfall, snow depth

Mill Valley - Muir WoodsMUIC1

At a cooperative observer's station/3.2 mi away/850 ft/- ft from here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in California

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Near Pirates Cove

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Near Pirates Cove

River and lake gauges