Port Costa, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Port Costa, CA

May 17, 2024 9:57 PM PDT (04:57 UTC) Change Location
Sunrise 5:54 AM   Sunset 8:15 PM
Moonrise 1:52 PM   Moonset 2:07 AM 
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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.

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- 904 Pm Pdt Fri May 17 2024

Tonight - SW wind 5 to 10 kt. Waves around 2 ft or less.

Sat - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Waves around 2 ft or less.

Sat night - SW wind 10 to 15 kt. Waves around 2 ft or less.

Sun - SW wind 5 to 10 kt. Waves around 2 ft or less.

Sun night - SW wind 5 to 10 kt. Waves around 2 ft or less.

Mon - W wind 5 to 10 kt. Waves around 2 ft or less.

Mon night - SW wind 5 to 10 kt. Waves around 2 ft or less.

Tue - SW wind 5 to 10 kt. Waves around 2 ft or less.

Tue night - SW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves around 2 ft or less.

Wed - SW wind 5 to 10 kt. Waves around 2 ft or less.

Wed night - SW wind 10 to 15 kt. Waves around 2 ft or less.

PZZ500 904 Pm Pdt Fri May 17 2024

Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
strong high pressure off the pacific northwest coast and low pressure over southern nevada will maintain moderate to locally strong northerly winds. Winds will gradually increase over the weekend. The strongest winds will be strong north of point reyes, especially the outer waters with gale force gusts. Stronger winds will lead to hazardous conditions and steeper wind waves.


7 Day Forecast for Marine Location Near Port Costa, CA
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Area Discussion for - Sacramento, CA
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FXUS66 KSTO 171934 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 1234 PM PDT Fri May 17 2024

SYNOPSIS
SEASONABLY WARM WEATHER CONTINUES THROUGH THE WEEKEND. MOSTLY SUNNY AND DRY CONDITIONS PERSIST WITH PERIODICALLY BREEZY WINDS ISOLATED SHOWER OR THUNDERSTORM CHANCES OVER THE HIGH SIERRA SOUTH OF INTERSTATE 80 SATURDAY AFTERNOON.

DISCUSSION
CURRENT GOES-WEST SATELLITE IMAGERY REVEALS THAT THE MARINE STRATUS INTRUSION FROM THIS MORNING HAS SINCE LIFTED AND BURNED OFF, AND NOW SUNNY SKIES ARE BEING OBSERVED ACROSS MOST OF INTERIOR NORTHERN CALIFORNIA ON THIS FRIDAY AFTERNOON.
TEMPERATURES ARE CURRENTLY IN THE 70S TO low 80S IN THE VALLEY, 70S IN THE FOOTHILLS, AND 60S TO 70S IN THE MOUNTAINS, VALID AT 1230 PM PDT.

WARM AND DRY WEATHER CONTINUES AS SHORT WAVES TO THE NORTH GRADUALLY WEAKEN THE UPPER LEVEL RIDGING. ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ON SATURDAY AFTERNOON OVER THE SIERRA CREST, MAINLY SOUTH OF INTERSTATE 80. THE NATIONAL BLEND OF MODELS (NBM) SUGGESTS A 15-25% PROBABILITY OF THUNDERSTORM DEVELOPMENT SATURDAY AFTERNOON THROUGH EARLY EVENING. ANY SHOWERS OR STORMS THAT DEVELOP ARE EXPECTED TO QUICKLY DRIFT EAST OF THE CREST AS A RESULT OF INCREASING SOUTHWESTERLY FLOW.

WITH RIDGING TO THE WEST AND TROUGHING TO THE EAST ON MONDAY, LOCALLY BREEZY NORTHERLY WINDS RETURN TO INTERIOR NORCAL.
STRONGEST WINDS WILL IN THE SACRAMENTO VALLEY, MAINLY NORTH OF THE SACRAMENTO METRO AREA, WHERE WIND GUSTS OF 20 TO 30 MPH ARE POSSIBLE. RELATIVE HUMIDITY VALUES WILL ALSO BE LOWERING WITH THE INCREASED NORTHERLY FLOW.

.EXTENDED DISCUSSION (Tuesday THROUGH Friday)...
Ensemble guidance and cluster analysis indicate upper level troughing over the Western US, with upper level ridging to the west over the Pacific Ocean. This pattern will result in slight cooling mid to late next week, however temperatures still remain seasonably warm. Uncertainty remains in the potential for any shower chances with this trough, and there is still a spread in high temperatures over this timeframe. For now, the forecast remains dry with highs returning to near normal by the end of the week.

AVIATION
VFR conditions across interior NorCal over the next 24 hours.
Surface winds generally at or below 12 kts. Increased southwesterly flow after 21Z Saturday. 15-25% probability of mountain showers or thunderstorms over the Sierra Crest south of Interstate 80 after 18Z Saturday.

STO WATCHES/WARNINGS/ADVISORIES
None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
MZXC1 - 9415102 - Martinez-Amorco CA 1 mi57 min WSW 13G17 58°F 65°F29.87
UPBC1 2 mi57 min W 12G17
CQUC1 5 mi86 min 62°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 6 mi57 min SW 17G22 56°F 29.88
PCOC1 - 9415144 - Port Chicago, CA 6 mi57 min W 14G18 59°F 29.86
PPXC1 - 9414847 - Richmond (Point Potrero), CA 14 mi57 min SSW 9.9G13 55°F 29.92
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 14 mi57 min WNW 12G15 63°F 29.84
RCMC1 - 9414863 - Richmond, CA 16 mi57 min SW 7G12 55°F 60°F29.90
LNDC1 18 mi57 min W 6G8 56°F 29.91
OKXC1 - 9414776 - Oakland (Berth 34), CA 18 mi57 min W 6G8.9 55°F 29.91
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 18 mi57 min W 8G11
TIBC1 - Tiburon Pier, San Francisco Bay, CA 18 mi133 min WNW 6 53°F 29.8949°F
AAMC1 - 9414750 - Alameda, CA 20 mi57 min W 8.9G12 55°F 65°F29.92
PXSC1 20 mi57 min 56°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 21 mi57 min W 4.1G8.9 55°F 29.88
FTPC1 - 9414290 - San Francisco, CA 23 mi57 min WSW 6G13 54°F 29.91
46237 - San Francisco Bar, CA (142) 31 mi57 min 53°F 57°F4 ft
RTYC1 - 9414523 - Redwood City, CA 36 mi57 min NW 7G8 58°F 70°F29.90
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 41 mi77 min 56°F6 ft
PRYC1 - 9415020 - Point Reyes, CA 44 mi57 min 29.92


Wind History for Martinez-Amorco Pier, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KCCR BUCHANAN FIELD,CA 6 sm64 minS 0710 smClear61°F52°F72%29.86
KAPC NAPA COUNTY,CA 14 sm63 minSSW 1210 smClear57°F54°F88%29.88
KSUU TRAVIS AFB,CA 20 sm62 minWSW 1910 smClear59°F52°F77%29.80
KOAK METROPOLITAN OAKLAND INTL,CA 22 sm64 minWNW 0810 smPartly Cloudy55°F54°F94%29.91
KDVO GNOSS FIELD,CA 23 sm22 minNNW 0810 smClear54°F54°F100%29.89
Link to 5 minute data for KCCR


Wind History from CCR
(wind in knots)
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Tide / Current for Suisun Point, Carquinez Strait, California
   
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Suisun Point
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Fri -- 03:07 AM PDT     Moonset
Fri -- 04:41 AM PDT     1.19 feet Low Tide
Fri -- 05:55 AM PDT     Sunrise
Fri -- 10:18 AM PDT     3.30 feet High Tide
Fri -- 02:51 PM PDT     Moonrise
Fri -- 04:33 PM PDT     0.34 feet Low Tide
Fri -- 08:14 PM PDT     Sunset
Fri -- 11:15 PM PDT     4.65 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Suisun Point, Carquinez Strait, California, Tide feet
12
am
4
1
am
3.3
2
am
2.5
3
am
1.8
4
am
1.3
5
am
1.2
6
am
1.5
7
am
2
8
am
2.6
9
am
3
10
am
3.3
11
am
3.2
12
pm
2.7
1
pm
2
2
pm
1.3
3
pm
0.8
4
pm
0.4
5
pm
0.4
6
pm
0.8
7
pm
1.6
8
pm
2.6
9
pm
3.5
10
pm
4.2
11
pm
4.6


Tide / Current for Carquinez Strait, California Current
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Carquinez Strait
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Fri -- 12:27 AM PDT     -0.00 knots Slack
Fri -- 03:07 AM PDT     Moonset
Fri -- 03:41 AM PDT     -2.11 knots Max Ebb
Fri -- 05:56 AM PDT     Sunrise
Fri -- 06:32 AM PDT     0.00 knots Slack
Fri -- 09:15 AM PDT     1.45 knots Max Flood
Fri -- 11:47 AM PDT     -0.00 knots Slack
Fri -- 02:52 PM PDT     Moonrise
Fri -- 03:19 PM PDT     -2.12 knots Max Ebb
Fri -- 06:24 PM PDT     0.00 knots Slack
Fri -- 08:14 PM PDT     Sunset
Fri -- 09:53 PM PDT     2.24 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Carquinez Strait, California Current, knots
12
am
0.5
1
am
-0.6
2
am
-1.4
3
am
-2
4
am
-2.1
5
am
-1.6
6
am
-0.6
7
am
0.4
8
am
1.1
9
am
1.4
10
am
1.3
11
am
0.7
12
pm
-0.2
1
pm
-1.2
2
pm
-1.8
3
pm
-2.1
4
pm
-2
5
pm
-1.5
6
pm
-0.5
7
pm
0.7
8
pm
1.6
9
pm
2.1
10
pm
2.2
11
pm
1.9


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




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