Antioch, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Antioch, CA

May 3, 2024 2:17 AM PDT (09:17 UTC) Change Location
Sunrise 6:06 AM   Sunset 8:01 PM
Moonrise 2:44 AM   Moonset 2:06 PM 
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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.

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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- 855 Pm Pdt Thu May 2 2024

Tonight - W winds 15 to 20 knots with gusts up to 25 knots - . Diminishing to 10 to 15 knots after midnight.

Fri - W winds 10 to 15 knots.

Fri night - W winds 10 to 20 knots with gusts up to 30 knots.

Sat - SW winds 10 to 20 knots with gusts up to 25 knots. Rain.

Sat night - W winds 10 to 20 knots with gusts up to 30 knots.

Sun - W winds 10 to 15 knots.

Sun night - W winds 10 to 15 knots.

Mon - W winds 10 to 15 knots.

Tue - W winds 10 to 15 knots.

PZZ500 855 Pm Pdt Thu May 2 2024

Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
gusty winds persist throughout Friday afternoon, with gale force gusts of 35 to 45 knots possible in the southern waters. Strong winds will result in hazardous seas and steep wind waves with significant wave heights reaching 10 to 13 feet in the outer waters. Conditions briefly improve over the weekend, but will increase into next week to more moderate levels. Rain chances begin late Friday night as a trough descends over the region into Saturday.


7 Day Forecast for Marine Location Near Antioch, CA
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Area Discussion for - Sacramento, CA
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FXUS66 KSTO 021905 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 1205 PM PDT Thu May 2 2024

Synopsis
Dry and warm weather through Friday with breezy northerly winds.
Active weather returns this weekend as a weather system drops down bringing showers, mountain snow, isolated thunderstorms, gusty winds and colder temperatures.

Things remain on track with high confidence of a pretty strong late spring...winter like storm system for the area this weekend.
Upper level low system will drop south Friday night then exit the area by Sunday afternoon. EC standard anomaly data showing 500 mb heights impressive at a -2 with return interval of 10 to 20 years for this time of the year. Ensemble means in good agreement that the upper low will basically slide south across central California with a good period of upper dynamics. Could be stronger if the low was further west but still some good dynamics with this system. Pretty much a classic winter system orginiating from the Gulf of Alaska with a nice Atmospheric River and PW plume with climo PW values of 150 to 230% above normal. System is a pretty quick hitter so biggest challenge is level of impacts with snow and blowing snow above 5000 feet. NBM probabilities showing bullseye of higher snow right in the I80 corridor with 70% to 80% chance of 8" and about 50% chance of a foot at highest elevations.
Snowfall rates have a chance to exceed an inch an hour in intensity Saturdday afternoon and evening. So with all this the biggest question will be the impacts of this snow and wind. With collaboration with area offices given time of year, sun angle, road and ground temperature and quickness of storm will stick with a winter weather advisory for the event.

In the valley, would expect a band of rain to push across from north to south. NBM QPF probabilities have been pretty consistent for low probs of half an inch and solid chances of quarter of an inch.

High EFI values for cool high temperatures Saturday and Sunday as well with high temperatures dropping a solid 10 to 20 degrees from Friday to Saturday.

.EXTENDED DISCUSSION (Monday THROUGH Thursday)...

Higher confidence above 50% that extended period looks to be farily dry and on the cool side. Cluster analsys showing majority of solutions point to lower 500 mb heights with dry northerly flow. Biggest risk would be mid to late week of some northerly flow looks to set up with general troughing across the Great Basin. How amplified that low gets will determine strength of wind which right now proabilties of 40 mph guest are down around 30% to 40%. WMR



AVIATION

VFR conditions persist across interior NorCal through the forecast period. Gusty north-northwesterly winds increase through the afternoon, with some Valley gusts 20 to 25 kts. Winds then decrease, but remain breezy this evening into the overnight hours.



STO WATCHES/WARNINGS/ADVISORIES
Winter Weather Advisory from 11 AM Saturday to 8 AM PDT Sunday 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 WavesinHgDewPt
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 4 mi48 min WNW 9.9G14 62°F 29.91
PCOC1 - 9415144 - Port Chicago, CA 12 mi48 min SW 11G14 59°F 29.92
MZXC1 - 9415102 - Martinez-Amorco CA 16 mi48 min WSW 13G16 59°F 64°F29.93
UPBC1 16 mi48 min W 13G20
CQUC1 22 mi77 min 61°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 24 mi48 min W 8G12 59°F 29.93
LNDC1 29 mi48 min SSE 1G2.9 58°F 29.95
PPXC1 - 9414847 - Richmond (Point Potrero), CA 30 mi48 min SW 5.1G7 56°F 29.96
AAMC1 - 9414750 - Alameda, CA 31 mi48 min SW 2.9G4.1 56°F 65°F29.96
OKXC1 - 9414776 - Oakland (Berth 34), CA 31 mi48 min SSW 1.9G4.1 56°F 29.96
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 31 mi48 min SW 5.1G6
RCMC1 - 9414863 - Richmond, CA 32 mi48 min NW 7G9.9 57°F 60°F29.94
PXOC1 - 9414311 - San Francisco (Pier 1), CA 34 mi48 min SW 1.9G2.9 55°F 29.92
PXSC1 34 mi48 min 55°F
TIBC1 - Tiburon Pier, San Francisco Bay, CA 35 mi124 min SSE 2.9 55°F 29.9550°F
FTPC1 - 9414290 - San Francisco, CA 38 mi48 min SSW 7G12 51°F 29.95
RTYC1 - 9414523 - Redwood City, CA 42 mi48 min W 5.1G7 56°F 65°F29.96
46237 - San Francisco Bar, CA (142) 46 mi48 min 49°F 49°F6 ft


Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KCCR BUCHANAN FIELD,CA 13 sm24 minS 0410 smClear57°F50°F77%29.93
KSUU TRAVIS AFB,CA 17 sm22 minSSW 0910 smClear54°F50°F88%29.88
KLVK LIVERMORE MUNI,CA 23 sm24 minWNW 0310 smClear54°F50°F88%29.94
Link to 5 minute data for KCCR


Wind History from CCR
(wind in knots)
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Tide / Current for Antioch, San Joaquin River, California
   
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Antioch
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Fri -- 12:49 AM PDT     3.09 feet High Tide
Fri -- 03:44 AM PDT     Moonrise
Fri -- 06:08 AM PDT     Sunrise
Fri -- 06:40 AM PDT     0.89 feet Low Tide
Fri -- 12:07 PM PDT     3.01 feet High Tide
Fri -- 03:06 PM PDT     Moonset
Fri -- 07:05 PM PDT     -0.15 feet Low Tide
Fri -- 08:00 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Antioch, San Joaquin River, California, Tide feet
12
am
3
1
am
3.1
2
am
2.8
3
am
2.3
4
am
1.8
5
am
1.3
6
am
1
7
am
0.9
8
am
1.2
9
am
1.8
10
am
2.4
11
am
2.8
12
pm
3
1
pm
2.9
2
pm
2.5
3
pm
1.8
4
pm
1.1
5
pm
0.5
6
pm
0
7
pm
-0.2
8
pm
0
9
pm
0.6
10
pm
1.4
11
pm
2.2



Tide / Current for Antioch Pt .3 mi E, San Joaquin River, California Current
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Antioch Pt .3 mi E
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Fri -- 02:47 AM PDT     -0.00 knots Slack
Fri -- 03:44 AM PDT     Moonrise
Fri -- 05:39 AM PDT     -1.15 knots Max Ebb
Fri -- 06:08 AM PDT     Sunrise
Fri -- 08:46 AM PDT     0.00 knots Slack
Fri -- 11:34 AM PDT     1.23 knots Max Flood
Fri -- 02:01 PM PDT     -0.00 knots Slack
Fri -- 03:06 PM PDT     Moonset
Fri -- 05:22 PM PDT     -1.60 knots Max Ebb
Fri -- 08:00 PM PDT     Sunset
Fri -- 09:09 PM PDT     0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Antioch Pt .3 mi E, San Joaquin River, California Current, knots
12
am
1.6
1
am
1.4
2
am
0.7
3
am
-0.1
4
am
-0.7
5
am
-1.1
6
am
-1.1
7
am
-0.9
8
am
-0.5
9
am
0.2
10
am
0.8
11
am
1.2
12
pm
1.2
1
pm
0.8
2
pm
0
3
pm
-0.7
4
pm
-1.3
5
pm
-1.6
6
pm
-1.6
7
pm
-1.3
8
pm
-0.8
9
pm
-0.1
10
pm
0.7
11
pm
1.4




Weather Map
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GEOS Local Image of Central West Coast   
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Sacramento, CA,



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