Wednesday, February24, 2021
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Marine Weather and Tides
Corte Madera, CA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:46AMSunset 6:00PM Wednesday February 24, 2021 9:40 AM PST (17:40 UTC) Moonrise 3:13PMMoonset 5:24AM Illumination 95% Phase: Waxing Gibbous; Moon at 13 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 229 Am Pst Wed Feb 24 2021
.small craft advisory in effect from 1 pm pst this afternoon through late tonight...
Today..N winds 5 to 15 kt with gusts up to 35 kt.
Tonight..N winds 10 to 20 kt with gusts up to 35 kt.
Thu..SW winds up to 10 kt with gusts up to 25 kt.
Thu night..NW winds 5 to 15 kt with gusts up to 30 kt.
Fri..W winds 5 to 15 kt.
Fri night..NW winds 10 to 20 kt with gusts up to 25 kt.
Sat..NW winds 10 to 20 kt with gusts up to 25 kt.
Sun..NW winds 5 to 15 kt.
PZZ500 229 Am Pst Wed Feb 24 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Gusty north winds today and this evening then ease early Thursday with gale force gusts in the northern outer waters. Gusty northerly winds will redevelop late Thursday into Friday. These winds will generate steep fresh swell and bring hazardous conditions for smaller vessels. A moderate northwest swell at around 13 to 15 seconds will continue through the waters over the coming days.


7 Day Forecast for Marine Location Near Corte Madera, CA
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location: 37.94, -122.51     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 241639 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 839 AM PST Wed Feb 24 2021

SYNOPSIS. Dry with gradual cooling trend and clear skies into the weekend. Offshore flow will strengthen today. Winds aloft will increase with the chance for them to mix down to the surface. Our Wind Advisory will be in effect later this morning for the North and East Bay hills, Santa Cruz mountains, and the East Bay valleys. Offshore flow will persist Thursday and Friday, but at weaker speeds. There is a chance for offshore winds to increase again on Saturday.

DISCUSSION. as of 08:39 AM PST Wednesday . Mostly clear skies led to a picturesque sunrise this morning. The clear skies are due to the prevailing offshore flow. The exceptions are a patch of low clouds/fog near Monterey Bay and some patchy fog in the North Bay. Speaking of offshore flow, it's weaker than yesterday morning, but still breezy to gusty in the hills. The highest peaks in the North and East Bay are still in excess of 40 mph. Lower elevations are a different story where winds are much less and in many spots are near calm. The clear skies and calm winds resulted in some chilly morning temperatures with the coldest interior spots hitting the freezing mark.

For the rest of today, a Wind Advisory kicks in this morning and will remain through this afternoon and overnight. Peak offshore flow is still on track to be this afternoon/early this evening. Skies will remain clear, but temperatures will be cooler than yesterday. Highs are forecast to reach mid 60s to mid 70s.

No update needed .

PREV DISCUSSION. as of 03:57 AM PST Wednesday . Clear skies overnight with breezy wind gusts in some areas ranging 15-30 mph. Temperatures at this hour are generally between 40-50 degrees and about 2-5 degrees cooler than 24 hours ago. Expect the cooling trend to continue as several models showed the 850 mb airmass cooling from around 12 degrees C yesterday afternoon to about 8-9 degrees C this afternoon. It'll still be a pleasantly warm day today, though not as hot as it got yesterday. Despite the gradual cooling this week, temperatures will still be comfortable with daytime highs in the mid 60s to mid 70s today becoming upper 50s to mid 60s by Saturday. The coolest morning should be Thursday where coastal areas will have temperatures in the low to mid 40s and the inland valleys will see temperatures in the low to mid 30s.

Now let's dig into the winds . Current offshore gradient from SFO- WMC isn't too impressive right now with only a 2 mb difference, however, we expect that to increase as the day progresses. The NAM model indicates the offshore gradient for SFO- WMC will be much stronger tonight at around a 12 mb difference. This is reflected in our forecast with the strongest winds generally occurring between 00-06Z or 4-10 pm local time. Our Wind Advisory will be in effect at 10 am this morning for the North and East Bay hills, Santa Cruz mountains, and the East Bay valleys. After 10 pm, the offshore gradient will continue and strong gusts are forecast to persist in the higher terrain of the North & East Bay hills along with the Santa Cruz Mountains, but East Bay Valley winds should weaken. Thus, the Wind Advisory for the East Bay valleys is through 10 pm tonight, but it will continue for the higher terrain until 4 am on Thursday. Main impact from the enhanced winds will be the possibility of downed branches and trees coupled with the potential for a few power outages. Don't forget to secure any loose outdoor objects around the house. Offshore flow will continue through Friday, but winds will be weaker. Could see offshore winds increase again on Saturday and we'll be monitoring trends in the forecast models to see if we'll need to issue another wind advisory for portions of our CWA.

The dominant high pressure system over the Eastern Pacific will weaken and get pushed westward as a storm system moves into the Pacific NW on Thursday. Unfortunately, it doesn't look like any of the rain will make it south enough to reach our region. Though our NBM model indicated a slight chance of rain over the weekend, a look at the ECMWF ensembles showed that only 11 out of 50 members had light rain for our CWA. The GFS ensembles were even more pessimistic with only 1 of 30 members indicating rain in our area. Thus, we kept the forecast dry through the weekend.

AVIATION. as of 4:15 AM PST Wednesday . For the 12Z TAFs. Predominately VFR with dry offshore flow through the period. Low level wind shear of 25-40kt at 500-2000 feet possible for terminals on the lee side of ridges through this morning and again this evening/tonight, see specific TAFs. Otherwise, patchy LIFR stratus along the southern Monterey Bay (TEMPO BKN003 at KMRY) with breezy to occasionally gusty northerly winds midday.

Vicinity of KSFO . VFR. Light sfc winds with 30kt low level wind shear through this morning. Winds turn breezy out of the north during the afternoon. LLWS returns this evening and tonight.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . VFR. Patchy stratus along the immediate coast will bring TEMPO LIFR cigs through sunrise for Moss Landing through Carmel area incl KMRY.

MARINE. as of 04:03 AM PST Wednesday . Gusty north winds today and this evening then ease early Thursday with gale force gusts in the northern outer waters. Gusty northerly winds will redevelop late Thursday into Friday. These winds will generate steep fresh swell and bring hazardous conditions for smaller vessels. A moderate northwest swell at around 13 to 15 seconds will continue through the waters over the coming days.

MTR WATCHES/WARNINGS/ADVISORIES. Tday. Wind Advisory . CAZ507-511-512 Wind Advisory . CAZ510 SCA . Pt Reyes to Pigeon Pt 0-10 nm SCA . Pigeon Pt to Pt Pinos 0-10 nm GLW . Pt Arena to Pigeon Pt 10-60 nm SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm SCA . Pigeon Pt to Pt Piedras Blancas 10-60 nm SCA . Pt Arena to Pt Reyes 0-10 nm SCA . SF Bay from 1 PM



PUBLIC FORECAST: MM/Bingaman AVIATION: DRP MARINE: DRP

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCMC1 - 9414863 - Richmond, CA 5 mi58 min NW 1.9 G 2.9 54°F 53°F1022.6 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 5 mi59 min Calm 58°F 1023 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 8 mi52 min N 5.1 G 9.9 57°F 1022.9 hPa
FTPC1 - 9414290 - San Francisco, CA 10 mi58 min W 1.9 G 4.1 54°F 53°F1022.5 hPa
PXSC1 11 mi52 min 53°F 50°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 12 mi52 min NNW 5.1 G 6 52°F 1021.6 hPa
46237 - San Francisco Bar, CA (142) 12 mi100 min 52°F8 ft
OBXC1 13 mi52 min 52°F 49°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 13 mi52 min NW 5.1 G 6 53°F 1022.7 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 14 mi52 min NW 6 G 7
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 15 mi52 min SW 8 G 8.9 53°F 1022.4 hPa
AAMC1 - 9414750 - Alameda, CA 16 mi52 min 55°F
LNDC1 16 mi52 min NNW 7 G 11 55°F 1022.4 hPa
CQUC1 17 mi57 min 54°F
MZXC1 - 9415102 - Martinez-Amorco CA 21 mi52 min WSW 4.1 G 5.1 54°F 54°F1022.7 hPa
UPBC1 22 mi52 min W 5.1 G 6
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 22 mi40 min NW 18 G 21 51°F1023.1 hPa (+1.6)
PRYC1 - 9415020 - Point Reyes, CA 25 mi52 min 51°F1023.1 hPa
PCOC1 - 9415144 - Port Chicago, CA 26 mi52 min SSW 2.9 G 6 55°F 54°F1022.5 hPa
SFXC1 - San Francisco Bay Reserve, CA 31 mi115 min SE 7 47°F 1022 hPa40°F
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 34 mi52 min NW 1.9 G 5.1 59°F 1022.4 hPa
RTYC1 - 9414523 - Redwood City, CA 34 mi52 min WNW 4.1 G 5.1 54°F 58°F1023.2 hPa
BDXC1 40 mi94 min 50°F
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 45 mi40 min NNW 21 G 27 51°F 1023.2 hPa (+1.8)46°F

Wind History for Richmond, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Novato / Gnoss Field, CA14 mi45 minNNW 1310.00 miFair59°F30°F34%1022.7 hPa
Napa, Napa County Airport, CA22 mi46 minN 010.00 miFair55°F42°F62%1021.7 hPa
Oakland, Metro Oakland International Airport, CA23 mi47 minN 010.00 miFair58°F40°F51%1022.7 hPa
San Francisco, San Francisco International Airport, CA23 mi44 minN 010.00 miA Few Clouds57°F44°F62%1022.5 hPa
Petaluma Municipal Airport, CA23 mi45 minN 010.00 miFair50°F37°F62%1023 hPa

Link to 5 minute data for KDVO

Wind History from DVO (wind in knots)
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1 day agoSW7SE4CalmS4SE7E6E5N3CalmCalmCalmCalmCalmNE4CalmCalmNW5N6
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Calm--CalmCalmCalmCalmN5CalmS3CalmCalmN4S4CalmCalmSW5CalmS3S6

Tide / Current Tables for Corte Madera Creek, San Francisco Bay, California
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Corte Madera Creek
Click for Map
Wed -- 03:51 AM PST     2.86 feet Low Tide
Wed -- 05:24 AM PST     Moonset
Wed -- 06:48 AM PST     Sunrise
Wed -- 09:30 AM PST     6.04 feet High Tide
Wed -- 03:12 PM PST     Moonrise
Wed -- 04:42 PM PST     -0.41 feet Low Tide
Wed -- 05:58 PM PST     Sunset
Wed -- 11:40 PM PST     4.85 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.543.432.93.23.84.65.4665.44.42.91.50.4-0.3-0.400.91.93.14.14.7

Tide / Current Tables for Point San Quentin 1.9 mi E, San Francisco Bay, California Current
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Point San Quentin 1.9 mi E
Click for Map
Wed -- 12:18 AM PST     -0.00 knots Slack
Wed -- 02:47 AM PST     -1.17 knots Max Ebb
Wed -- 05:23 AM PST     Moonset
Wed -- 05:55 AM PST     0.00 knots Slack
Wed -- 06:47 AM PST     Sunrise
Wed -- 08:36 AM PST     1.24 knots Max Flood
Wed -- 11:19 AM PST     -0.00 knots Slack
Wed -- 02:55 PM PST     -2.79 knots Max Ebb
Wed -- 03:12 PM PST     Moonrise
Wed -- 05:58 PM PST     Sunset
Wed -- 06:49 PM PST     0.00 knots Slack
Wed -- 09:44 PM PST     1.83 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.3-0.6-1.1-1.2-1-0.600.71.21.20.90.3-0.7-1.8-2.6-2.8-2.5-1.9-10.21.11.71.81.5

Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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