Monday, October18, 2021
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Marine Weather and Tides
Oakdale, 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 7:13AMSunset 6:22PM Monday October 18, 2021 2:12 PM PDT (21:12 UTC) Moonrise 4:51PMMoonset 4:14AM 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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PZZ531 San Francisco Bay South Of The Bay Bridge- 846 Am Pdt Mon Oct 18 2021
Today..NW winds 10 to 20 kt.
Tonight..W winds 10 to 15 kt.
Tue..S winds 5 to 10 kt.
Tue night..SE winds 10 to 20 kt with gusts up to 30 kt. Rain likely.
Wed..S winds 10 to 15 kt. Rain likely.
Wed night..SE winds 5 to 10 kt. Rain likely.
Thu..S winds 5 to 10 kt. Rain likely.
Fri..W winds 5 to 10 kt. Rain likely.
PZZ500 846 Am Pdt Mon Oct 18 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Moderate post-frontal northwest winds prevail on Monday. The next front with additional rain chances approaches the waters on Tuesday afternoon, causing the winds to shift to the south, strengthening Tuesday night into Wednesday morning when gale force gusts will be possible over the northern outer waters. These winds will generate steep waves resulting in hazardous seas conditions, particularly for smaller vessels. Southerly winds will ease Wednesday and then persist through much of the forecast period. Seas remain out of the northwest with a weaker southerly swell. The primary swell will shift to more westerly by mid week.


7 Day Forecast for Marine Location Near Oakdale, CA
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location: 37.76, -120.84     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 181030 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 330 AM PDT Mon Oct 18 2021

SYNOPSIS. Decreasing shower chances this morning, otherwise dry and cool through Tuesday. Precipitation chances return Tuesday night and continue through at least this weekend.

DISCUSSION. Radar shows most of the precipitation associated with the front has moved southeast of the forecast area while scattered to numerous showers continue over the northeastern third of the forecast area beneath the mid/upper low as it closes off. Significant snow has occurred across the northern Sierra since Sunday evening impacting travel over the higher passes (KBLU at about 5k ft elevation has picked up an estimated 5 inches). Precipitation amounts have varied from a few hundredths of an inch up to a quarter inch in the valley, while much of the northern Sierra and southern Cascades have seen a half inch up to an inch.

The low is forecast to move quickly southeast into the Great Basin today. Most remaining showers will end this morning, though a few will linger over the northern Sierra into the afternoon. Most of the significant snowfall in the northern will be over early this morning, but lighter snow showers may continue into midday over the higher elevations.

Dry weather expected tonight and Tuesday, then another system will spread precipitation across the area Tuesday night and Wednesday. This one will tap deeper moisture to our southwest and may result in moderate amounts of QPF over the region on Tuesday night as a frontal system stalls out over NorCal. Snow levels will be considerably higher than the current system limiting impacts to travel.

Warm-advection likely to continue lighter precipitation Wednesday and Thursday, mainly to the north of I-80.

EXTENDED DISCUSSION (Friday THROUGH Monday). Pacific frontal system with associated 1-1.5 PWS moves through Friday. Moderate to locally heavy precipitation is possible. Precip ramps up again over the weekend into Monday as models indicate a 170+ kt zonal polar jet stretched across the Pacific with LFQ extending over NorCal.

AVIATION. Lcl MVFR/IFR/LIFR conds poss in shwrs ovr ern fthls/mtns of intr NorCal tda, otrw VFR. Sfc wnd genly AOB 12 kts exc lcl W-NWly sfc wnd gsts up to 30 kts poss ovr hyr mtn trrn this mrng.

STO WATCHES/WARNINGS/ADVISORIES. Winter Weather Advisory until 5 AM PDT early this morning for West Slope Northern Sierra Nevada-Western Plumas County/Lassen Park.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PCOC1 - 9415144 - Port Chicago, CA 67 mi73 min W 13G15 57°F 62°F1017 hPa (+0.0)
SFXC1 - San Francisco Bay Reserve, CA 70 mi88 min W 6 61°F 1021 hPa44°F
RTYC1 - 9414523 - Redwood City, CA 75 mi73 min NW 8G8.9 58°F 1018.2 hPa (-0.3)

Wind History for Port Chicago, CA
(wind in knots)    EDIT      (on/off)   Help
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NE5
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E6
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Modesto City-County Airport - Harry Sham Field, CA11 mi20 minno data10.00 miFair59°F41°F51%1016.4 hPa
Stockton, Stockton Metropolitan Airport, CA24 mi18 minWNW 710.00 miMostly Cloudy61°F41°F48%1016.4 hPa

Link to 5 minute data for KMOD

Wind History from MOD (wind in knots)
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Last 24hrSE9
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W4NW15--NW20
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NW15--NE6NW6NW8----0SE3E4--E4--E6E40E3
1 day ago5SE6SE3000E4W3SE400E6--SE4--00E4E7SE8SE6SE76--
2 days agoNE33S30000--00SE40000----000--00--

Tide / Current Tables for Grant Line Canal (drawbridge), Old River, California
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Grant Line Canal (drawbridge)
Click for Map
Mon -- 01:32 AM PDT     0.41 feet Low Tide
Mon -- 05:16 AM PDT     Moonset
Mon -- 07:12 AM PDT     3.22 feet High Tide
Mon -- 07:17 AM PDT     Sunrise
Mon -- 01:53 PM PDT     0.02 feet Low Tide
Mon -- 05:53 PM PDT     Moonrise
Mon -- 06:23 PM PDT     Sunset
Mon -- 07:56 PM PDT     3.56 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.9
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0.5
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0.9
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1.6
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2.9
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1.9


Tide / Current Tables for Brandt Bridge, San Joaquin River, California Current
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Brandt Bridge
Click for Map
Mon -- 02:15 AM PDT     0.00 knots Slack
Mon -- 04:57 AM PDT     0.60 knots Max Flood
Mon -- 05:15 AM PDT     Moonset
Mon -- 07:13 AM PDT     -0.00 knots Slack
Mon -- 07:17 AM PDT     Sunrise
Mon -- 11:12 AM PDT     -1.02 knots Max Ebb
Mon -- 02:35 PM PDT     0.00 knots Slack
Mon -- 05:34 PM PDT     0.71 knots Max Flood
Mon -- 05:52 PM PDT     Moonrise
Mon -- 06:23 PM PDT     Sunset
Mon -- 08:06 PM PDT     -0.00 knots Slack
Mon -- 11:51 PM PDT     -1.00 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.9
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-0.6
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-0.1
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-0.7
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-0.9
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-1
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-0.7
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0.7
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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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