Wednesday, October20, 2021
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Marine Weather and Tides
Suisun City, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 7:21AMSunset 6:24PM Wednesday October 20, 2021 7:18 AM PDT (14:18 UTC) Moonrise 5:44PMMoonset 6:20AM Illumination 100% Phase: Full Moon; Moon at 14 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- 308 Am Pdt Wed Oct 20 2021
Today..SE winds 10 to 20 kt with gusts up to 25 kt. Rain.
Tonight..SE winds 10 to 15 kt. Rain.
Thu..S winds 10 to 15 kt. Rain.
Thu night..SW winds 10 to 15 kt with gusts up to 25 kt. Rain.
Fri..W winds 10 to 15 kt. Rain.
Fri night..SW winds 5 to 10 kt.
Sat..S winds 5 to 10 kt. Rain.
Sun..S winds 10 to 20 kt with gusts up to 30 kt. Rain.
PZZ500 308 Am Pdt Wed Oct 20 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Winds will reduce into the morning but remain breezy and gusty at times. Expect winds to remain southerly as yet another wet system approaches. Otherwise, a moderate northwest to west swell will persist in the waters through the week.


7 Day Forecast for Marine Location Near Suisun City, CA
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location: 38.21, -122.04     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 201120 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 420 AM PDT Wed Oct 20 2021

SYNOPSIS. A period of wet weather is expected across the region into next week as several Pacific weather systems affect NorCal. Moderate to heavy rain will be possible at times along with gusty winds, particularly Friday and Sunday. Heavy snow will be possible in the northern Sierra early next week.

DISCUSSION. Satellite imagery shows the upper trough lifting to the north into the PacNW early this morning. Rainfall amounts since late Tuesday have been generally light, around 1/4 to 1/2 inch across the northern Sacramento Valley and surrounding terrain with only sprinkles or a few hundredths of an inch reported so far further south. Radar shows scattered light to very light precipitation over much of the region early this morning.

Current temperatures are considerably milder compared to 24 hours ago with many areas reporting readings that are 10-20 degrees warmer.

Southerly breezes are picking up across the northern half of the Sacramento Valley and over higher terrain as the surface gradient tightens. The SAC-MFR gradient is around 8 mbs while the SAC-RNO gradient is approaching 6 mbs. Gusts in the 20s to mid 30s mph are common across that area.

Minor disturbances embedded in the west-southwest flow, along with warm-advection, will keep mostly light precipitation going across the region today and Thursday. Some light snowfall accumulations (around an inch) will be possible this morning near the pass levels in the northern Sierra before snow levels rise further. Precipitation will likely pick up later tonight and Thursday across the orographically favored areas of the northern mountains and northern Sierra as flow backs ahead of Friday's trough.

Moisture transport increases across NorCal on Friday as the next incoming trough draws 1 to 1.5 inch TPW northward. A relatively quick shot of moderate to heavy precipitation will move across the region Friday with 2-4 inches of rain possible in the northern mountains with 1-2 inches in the northern Sierra (mainly north of Highway 50). Lighter amounts are likely in the valley. Snow levels will be very high (above 9k ft) limiting accumulations to just the highest peaks.

A relative short break in precipitation is likely Friday night into Saturday before increasing again later Saturday ahead of Sunday's stronger system.

EXTENDED DISCUSSION (Sunday THROUGH Wednesday). High confidence continues in a moderately strong AR forecast to affect the region on Sunday as a wide TPW plume of 1.5 to 1.75 inches is drawn northward into NorCal. Strong upward vertical motion from the strong polar jet nosing into the region will support an extended period of moderate to heavy rain with 1-3 inches possible in the valley with 3-5 inches in the foothills and mountains. Significant impacts, including ash and debris flows, will be possible particularly in and near recent burn scars, though the details on where the heaviest precipitation will setup remain somewhat uncertain.

Light to moderate precipitation continues Monday as the trough swings through, then gradually tapers into the middle of next week as ridging from the eastern Pacific edges into NorCal. Focus of more significant impacts will shift to the higher elevations of the northern Sierra early next week as snow levels lower below the pass levels bringing several feet of accumulation above about 6k ft, mainly Monday and Monday night.

AVIATION. Areas of MVFR conditions, locally IFR, next 24 hours in showers. Local SE wind gusts to 20 to 25 kt over the northern Sacramento Valley through 18z. Gusts to 30 to 40 kts are possible over higher terrain through this afternoon.

STO WATCHES/WARNINGS/ADVISORIES. None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SFXC1 - San Francisco Bay Reserve, CA 1 mi154 min E 9.9 52°F 1021 hPa49°F
PCOC1 - 9415144 - Port Chicago, CA 11 mi49 min NE 6G7 55°F 62°F1017.3 hPa
MZXC1 - 9415102 - Martinez-Amorco CA 13 mi49 min ENE 5.1G7 56°F 62°F1017.3 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 14 mi49 min W 1.9G2.9 57°F 1017 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 16 mi49 min E 8G9.9 54°F 1017 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 27 mi49 min ESE 14G18 56°F 1017.4 hPa
RCMC1 - 9414863 - Richmond, CA 28 mi49 min SE 5.1G9.9 55°F 60°F1017.2 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 31 mi68 min ESE 9.9 56°F 1017 hPa
LNDC1 31 mi49 min E 4.1G8 57°F 1016.9 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 32 mi49 min E 5.1G7
OKXC1 - 9414776 - Oakland (Berth 34), CA 32 mi49 min ESE 6G8.9 55°F 1016.9 hPa
OBXC1 32 mi49 min 57°F
AAMC1 - 9414750 - Alameda, CA 33 mi49 min E 7G8.9 56°F 61°F1017.2 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 34 mi49 min ESE 15G19 59°F 1015.5 hPa
PXSC1 34 mi49 min 60°F 55°F
FTPC1 - 9414290 - San Francisco, CA 36 mi49 min ESE 1.9G2.9 58°F 65°F1016.7 hPa
46237 - San Francisco Bar, CA (142) 43 mi49 min 56°F 57°F10 ft
RTYC1 - 9414523 - Redwood City, CA 49 mi49 min SSE 5.1G8.9 59°F 1017.6 hPa

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fairfield / Travis Air Force Base, CA8 mi21 minW 410.00 miOvercast54°F50°F89%1018.3 hPa
Vacaville Nut Tree Airport, CA12 mi26 minSW 610.00 miOvercast53°F51°F93%1017.9 hPa
Napa, Napa County Airport, CA13 mi25 minE 910.00 miOvercast53°F50°F89%1016.6 hPa
Concord, Buchanan Field, CA16 mi26 minN 010.00 miOvercast56°F48°F75%1015.9 hPa

Link to 5 minute data for KSUU

Wind History from SUU (wind in knots)
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Last 24hr0N6N5NE30SE8SE6SE6SE7SE6W12W10SW8SW9SW10SW8SW8SW7SW10SW7NE30SW5W4
1 day agoW10W12W100S4SW5N3NE9NE30NE5E50W500SW4SW5W30SW300N4
2 days agoW11W13SW14SW15SW12SW14SW19SW18
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W13SW160SW11SW14SW13SW13SW10S8SW8

Tide / Current Tables for Suisun City, Suisun Slough, Suisun Bay, California
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Suisun City
Click for Map
Wed -- 03:16 AM PDT     4.31 feet High Tide
Wed -- 07:20 AM PDT     Moonset
Wed -- 07:22 AM PDT     Sunrise
Wed -- 07:57 AM PDT     Full Moon
Wed -- 09:37 AM PDT     0.64 feet Low Tide
Wed -- 03:18 PM PDT     5.08 feet High Tide
Wed -- 06:22 PM PDT     Sunset
Wed -- 06:43 PM PDT     Moonrise
Wed -- 10:30 PM PDT     0.08 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.7
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2.9
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3.8
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0.6
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0.2
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0.2


Tide / Current Tables for Montezuma Slough West Entrance, Suisun Bay, California Current
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Montezuma Slough West Entrance
Click for Map
Wed -- 12:06 AM PDT     1.35 knots Max Flood
Wed -- 03:55 AM PDT     -0.00 knots Slack
Wed -- 06:03 AM PDT     -1.22 knots Max Ebb
Wed -- 07:20 AM PDT     Moonset
Wed -- 07:22 AM PDT     Sunrise
Wed -- 07:57 AM PDT     Full Moon
Wed -- 09:44 AM PDT     0.01 knots Slack
Wed -- 11:49 AM PDT     1.54 knots Max Flood
Wed -- 03:59 PM PDT     -0.00 knots Slack
Wed -- 06:22 PM PDT     Sunset
Wed -- 06:42 PM PDT     -1.52 knots Max Ebb
Wed -- 06:43 PM PDT     Moonrise
Wed -- 10:46 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.3
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Weather Map
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GEOS Local Image of CentralWestCoast    EDIT
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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