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Ross Cove Beach, California

Beach in San Mateo County, California

Air quality

The air at Ross Cove Beach

Index 52, moderate, led by fine particles. Read at 12 PM from its reporting area, Redwood City (CA), 15 miles off.

52Moderate
  • Fine particles (PM2.5)52Moderate16.4 mi
  • Ozone25Good43 ppb16.4 mi
  • Nitrogen dioxide6Good6.9 ppb16.4 mi
  • Sulfur dioxide3Good2.3 ppb24.8 mi
  • Carbon monoxide-0.3 ppm16.4 mi

The days ahead

Good each day through Wed Oct 21, led by ozone. Yesterday measured 40, good.

Smoke, the next 41 hours

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

SatSunMon

Precipitation

What has fallen at Ross Cove Beach

None in the last 3 days, to Sat 12 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 Ross Cove Beach, the next 41 hours

Visibility stays 4 miles or more through Mon 5 AM, lowest 5 miles Sun 4 AM.

SatSunMon
Ross Cove Beach from its sand, nowLooking WSW from the sand at 1:26 PM, daylight, clear, waves about 6.5 ft every 13 s, the tide rising at 4.3 ft.SW230240250260Facing WSW 241°Sun 50° leftWind 3 mphfrom NW, along the beach
Looking WSW from the sand at 1:26 PM, daylight, clear, waves about 6.5 ft every 13 s, the tide rising at 4.3 ft.
NESW

Facing WSW 241°

300 ft

From above: the edge, the break, the view

Surf and swim

The surf zone forecast for San Francisco and San Mateo County Coastal Areas, and the waves at buoy 46012, 23.2 mi away.

Rest of today

Surf height
5 to 8 feet
Water temperature
Around 61 °F

Waves at buoy 46012, Half Moon Bay

Wave height
3.9 ft
Period
13 s
From
-
Water
65 °F
Read
Sat 1:00 PM
Distance
23.2 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 46012, last 48 hoursSignificant wave height from 2.0 ft to 3.9 ft; 3.9 ft at Sat 1:00 PM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ft6 PMFri6 AMNoon6 PMSat6 AM3.9 ftWave height at buoy 46012, last 48 hoursSignificant wave height from 2.0 ft to 3.9 ft; 3.9 ft at Sat 1:00 PM. Arrows show the way the waves travel.0 ft2 ft4 ft6 ftFriNoonSat3.9 ft
Significant wave height from 2.0 ft to 3.9 ft; 3.9 ft at Sat 1:00 PM. Arrows show the way the waves travel.
Every hour, last 24 hours
TimeWave heightPeriodFrom
Sat 1:00 PM3.9 ft13 s-
Sat 12:00 PM3.3 ft9 s-
Sat 11:00 AM3.3 ft12 s-
Sat 10:00 AM3.0 ft11 s-
Sat 9:00 AM3.0 ft11 s-
Sat 8:00 AM3.0 ft10 s-
Sat 7:00 AM3.0 ft11 s-
Sat 6:00 AM2.6 ft11 s-
Sat 5:00 AM3.0 ft13 s-
Sat 4:00 AM2.6 ft10 s-
Sat 3:00 AM2.3 ft10 s-
Sat 2:00 AM2.3 ft13 s-
Sat 1:00 AM2.3 ft12 s-
Sat 12:00 AM2.0 ft14 s-
Fri 11:00 PM2.3 ft12 s-
Fri 10:00 PM2.6 ft14 s-
Fri 9:00 PM2.3 ft11 s-
Fri 8:00 PM2.3 ft13 s-
Fri 7:00 PM2.6 ft12 s-
Fri 6:00 PM2.6 ft13 s-
Fri 5:00 PM2.3 ft14 s-
Fri 4:00 PM2.3 ft14 s-
Fri 3:00 PM2.3 ft14 s-
Fri 2:00 PM2.3 ft13 s-

Surf zone forecast

San Francisco and San Mateo County Coastal Areas. Issued 12:26 PM PDT Sat Oct 17.

ForecastRest of todaySunday
Surf height5 to 8 feetWest Facing Beaches - 8 to 12 feet. South Facing Beaches - 6 to 9 feet
Water temperatureAround 61 °F-
Thunderstorm potentialNone expectedNone expected
WeatherMostly sunnyPartly cloudy
High temperature62-9255-69
WindNW at 8 mphNW at 12 mph becoming NW at 14 mph
TidesHigh 4.2 ft, 6:48 AMLow 3.7 ft, 10:56 AMHigh 4.9 ft, 4:10 PMLow 0.6 ft, 11:38 PMHigh 4.3 ft, 7:47 AMLow 3.5 ft, 12:25 PMHigh 4.7 ft, 5:21 PMLow 0.6 ft, 11:42 PM

Tide

TideHigh 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, High 4.3 ft at Sun 7:47 AM, Low 3.5 ft at Sun 12:25 PM, High 4.7 ft at Sun 5:21 PM, Low 0.6 ft at Sun 11:42 PM. Heights in feet above mean lower low water.0 ft2 ft4 ft6 ft6 AMNoon6 PMSun6 AMNoon6 PMMon4.2 ft6:48 AM3.7 ft10:56 AM4.9 ft4:10 PM0.6 ft11:38 PM4.3 ft7:47 AM3.5 ft12:25 PM4.7 ft5:21 PM0.6 ft11:42 PMNow 4.3 ftTideHigh 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, High 4.3 ft at Sun 7:47 AM, Low 3.5 ft at Sun 12:25 PM. Heights in feet above mean lower low water.0 ft2 ft4 ft6 ftNoonSunNoon4.2 ft6:48 AM3.7 ft10:56 AM4.9 ft4:10 PM0.6 ft11:38 PM4.3 ft7:47 AM3.5 ft12:25 PMNow 4.3 ft
Tide. 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, High 4.3 ft at Sun 7:47 AM, Low 3.5 ft at Sun 12:25 PM, High 4.7 ft at Sun 5:21 PM, Low 0.6 ft at Sun 11:42 PM. Heights in feet above mean lower low water.

Beach

County
San Mateo County
State
California
Latitude
37.5019° N
Longitude
122.4994° W

What is measuring near here

The 5 instruments nearest Ross Cove 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

Half Moon BayHAF

At an airfield/0.8 mi away/31 ft/- ft from here

temp, wind, gust, visibility, precip, pressure

Citizen station DW2059DW2059

In a volunteer observer's own ground/2.7 mi away/161 ft/- ft from here

temp, humidity, wind, precip, pressure

Spring Vly RAWSHSPC1

A remote fire weather station/5.4 mi away/1,030 ft/- ft from here

temp, wind, gust, humidity, pressure

measured daily2 instruments

El Granada 0.4 WSWCA-SM-44

In a volunteer observer's own ground/1.5 mi away/141 ft/- ft from here

precip, snowfall, snow depth

Half Moon BayHMBC1

At a cooperative observer's station/3.7 mi away/23 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 Ross Cove Beach

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

Beaches near Ross Cove Beach

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Near Ross Cove Beach

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