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

May 5, 2024 6:16 AM PDT (13:16 UTC) Change Location
Sunrise 6:05 AM   Sunset 8:04 PM
Moonrise 3:39 AM   Moonset 4:34 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- 256 Am Pdt Sun May 5 2024

Today - NW winds 15 to 25 knots.

Tonight - W winds 15 to 20 knots with gusts up to 25 knots.

Mon - W winds 10 to 15 knots.

Mon night - W winds 15 to 20 knots with gusts up to 25 knots.

Tue - NW winds 10 to 15 knots.

Tue night - NW winds 10 to 15 knots.

Wed - NW winds 10 to 15 knots with gusts up to 25 knots.

Thu - NW winds 5 to 10 knots.

PZZ500 256 Am Pdt Sun May 5 2024

Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
isolated rain showers will continue through the morning before dry conditions return. Moderate northwesterly breezes will prevail through tomorrow. Northerly winds will become strong on Tuesday and remain strong through Wednesday as surface high pressure over the eastern pacific ocean builds and moves east. Significant wave heights will begin building on Monday, posing hazardous conditions for small craft through Thursday.


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 050933 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 233 AM PDT Sun May 5 2024

SYNOPSIS
Lingering showers and snow showers today, mainly in the mountains as the weather system exits the region. Drier, warmer conditions return this week with gusty north to east winds mid-week.

DISCUSSION
Current radar shows showers and snow showers continuing over portions of interior NorCal, mainly in the foothills and mountains. Temperatures are currently trending approximately 10 to 25 degrees cooler than this time yesterday morning, valid at 230 AM PDT. The Winter Storm Warning remains in effect above 4000 feet to address lingering snow showers and mountain travel impacts through 0800 this morning. Additional minor accumulations of up to 1-2 inches will be possible through the day today. Highs will be slightly warmer than yesterday, however still well below normal for early May climatology. Valley highs are forecast to be in the low to mid 60s, with 40s to 50s in the foothills and 30s to low 50s in the mountains.

Drier and warmer weather returns to interior northern California this week as the influence of high pressure returns to the region.
A day to day warming trend will bring Valley temperatures back to the 80s by the middle of the week, with continued rise through late week. As high pressure builds over the eastern Pacific and troughing continues over the Great Basin, increasing north to east winds are favored. Current guidance suggests the breezy northerly winds begin to increase on Tuesday and become stronger into Wednesday.
The Extreme Forecast Index (EFI) highlights the typical north to east wind-prone areas such as the western Sacramento Valley and mountains for these stronger winds on Wednesday. The National Blend of Models (NBM) suggests a 55 to 85 percent probability of wind gusts of 40 mph or greater in those aforementioned areas.

.EXTENDED DISCUSSION (Thursday THROUGH Sunday)...
Breezy north to east winds are expected to linger into Thursday as high pressure continues over the eastern Pacific and troughing over the Great Basin. Ensemble guidance and cluster analysis then favor upper level ridging as the dominant synoptic influence over the extended forecast period, bringing continued dry conditions and warmer than normal temperatures. The National Blend of Models (NBM) suggests a 25 to 65 percent probability of Valley highs reaching 90 degrees from Friday through Sunday.

AVIATION
Northern Sierra, widespread IFR/LIFR with scattered snow showers continue thru about 18Z with areas of MVFR vicinity lingering showers thru 00Z Monday. Otherwise, VFR conditions predominate.
Local southwest to west surface wind gusts 15-20 kts after 21Z, otherwise wind generally less than 12 kts.

STO WATCHES/WARNINGS/ADVISORIES
Winter Storm Warning until 8 AM PDT 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 WavesinHgDewPt
MZXC1 - 9415102 - Martinez-Amorco CA 1 mi47 min W 15G18 50°F 61°F29.96
UPBC1 2 mi47 min WNW 15G20
CQUC1 5 mi46 min 59°F
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 6 mi47 min NW 11G14 49°F 29.96
PCOC1 - 9415144 - Port Chicago, CA 6 mi47 min W 18G23 49°F 29.95
PPXC1 - 9414847 - Richmond (Point Potrero), CA 14 mi47 min W 5.1G8.9 50°F 29.98
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 14 mi47 min WNW 8G13 48°F 29.95
RCMC1 - 9414863 - Richmond, CA 16 mi47 min WNW 8.9G12 49°F 57°F29.96
LNDC1 18 mi47 min NW 5.1G7 50°F 29.97
OKXC1 - 9414776 - Oakland (Berth 34), CA 18 mi47 min W 2.9G6 49°F 29.98
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 18 mi47 min W 8G9.9
TIBC1 - Tiburon Pier, San Francisco Bay, CA 18 mi93 min WNW 1.9 45°F 29.9538°F
AAMC1 - 9414750 - Alameda, CA 20 mi47 min W 5.1G8 50°F 61°F29.98
PXSC1 20 mi47 min 49°F
PXOC1 - 9414311 - San Francisco (Pier 1), CA 21 mi47 min W 6G12 48°F 29.94
46237 - San Francisco Bar, CA (142) 31 mi47 min 49°F 53°F7 ft
RTYC1 - 9414523 - Redwood City, CA 36 mi47 min WSW 8.9G12 48°F 63°F29.98
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 41 mi37 min 50°F6 ft
PRYC1 - 9415020 - Point Reyes, CA 44 mi47 min 29.98


Wind History for Martinez-Amorco Pier, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KCCR BUCHANAN FIELD,CA 6 sm23 minSE 0310 smClear45°F37°F76%29.96
KAPC NAPA COUNTY,CA 14 sm22 mincalm10 smClear41°F37°F87%29.96
KSUU TRAVIS AFB,CA 20 sm21 minWSW 0810 smClear41°F37°F87%29.93
KOAK METROPOLITAN OAKLAND INTL,CA 22 sm23 minW 1310 smA Few Clouds48°F43°F81%29.98
KDVO GNOSS FIELD,CA 23 sm21 minvar 0510 smClear43°F41°F93%29.97
Link to 5 minute data for KCCR


Wind History from CCR
(wind in knots)
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Tide / Current for Benicia, Carquinez Strait, California
   
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Benicia
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Sun -- 12:05 AM PDT     5.02 feet High Tide
Sun -- 04:39 AM PDT     Moonrise
Sun -- 06:07 AM PDT     Sunrise
Sun -- 06:27 AM PDT     0.01 feet Low Tide
Sun -- 12:29 PM PDT     4.24 feet High Tide
Sun -- 05:34 PM PDT     Moonset
Sun -- 06:15 PM PDT     0.41 feet Low Tide
Sun -- 08:03 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Benicia, Carquinez Strait, California, Tide feet
12
am
5
1
am
4.7
2
am
3.9
3
am
2.7
4
am
1.5
5
am
0.6
6
am
0.1
7
am
0.1
8
am
0.7
9
am
1.7
10
am
2.8
11
am
3.7
12
pm
4.2
1
pm
4.2
2
pm
3.5
3
pm
2.6
4
pm
1.6
5
pm
0.8
6
pm
0.4
7
pm
0.5
8
pm
1.2
9
pm
2.4
10
pm
3.6
11
pm
4.7



Tide / Current for Carquinez Strait, California Current
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Carquinez Strait
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Sun -- 01:43 AM PDT     -0.01 knots Slack
Sun -- 04:39 AM PDT     Moonrise
Sun -- 05:09 AM PDT     -2.69 knots Max Ebb
Sun -- 06:07 AM PDT     Sunrise
Sun -- 08:19 AM PDT     0.00 knots Slack
Sun -- 11:06 AM PDT     2.06 knots Max Flood
Sun -- 01:57 PM PDT     -0.00 knots Slack
Sun -- 05:04 PM PDT     -2.35 knots Max Ebb
Sun -- 05:34 PM PDT     Moonset
Sun -- 08:02 PM PDT     0.00 knots Slack
Sun -- 08:04 PM PDT     Sunset
Sun -- 11:01 PM PDT     2.67 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
2
1
am
0.9
2
am
-0.4
3
am
-1.6
4
am
-2.4
5
am
-2.7
6
am
-2.5
7
am
-1.7
8
am
-0.4
9
am
0.8
10
am
1.7
11
am
2.1
12
pm
1.8
1
pm
1.1
2
pm
-0
3
pm
-1.2
4
pm
-2
5
pm
-2.4
6
pm
-2.1
7
pm
-1.3
8
pm
-0.1
9
pm
1.3
10
pm
2.3
11
pm
2.7




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



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