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Marine Weather and Tides Diablo, CA Version 3.4

NOTICE 12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed. 10/9/2019 Updated the Marine Zones. 9/4/2019 Fixed the weather maps due to NOAA moving them. 7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

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Sunrise 7:17AM

Sunset 5:22PM

Thursday January 23, 2020 12:48 AM PST (08:48 UTC)

Moonrise 6:35AM

Moonset 4:20PM

Illumination 4%

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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7 Day Forecast for Marine Location Near Diablo, CA

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Area Discussion for - San Francisco/Monterey Bay Area, CA

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FXUS66 KMTR 230557 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 957 PM PST Wed Jan 22 2020

SYNOPSIS. Mainly dry weather conditions along with a gradual warming trend is expected through Friday. A weak storm system moving into Northern California will bring a chance of precipitation to the region this upcoming weekend.

DISCUSSION. as of 9:10 PM PST Wednesday . Temperatures finished off on average 3 to 6 degrees warmer across the board today with some locations in the warmer inland areas seeing upward of 11 degrees of warming. Temperatures reached mid 50s to mid 60s under the influence of a building trough despite patchy morning fog and a slow clearing this morning.

Mostly clear skies persist across the region at this hour with a few high clouds streaming across the sky. Lingering low level moisture and light winds will once again lead to patchy low clouds and fog overnight. Satellite imagery depicts low clouds already developing along the Big Sur coast as well as advecting into the eastern portions of Alameda, Santa Clara, and San Benito counties from the Central Valley.

From previous discussion . Mainly dry weather conditions will persist through late week with a gradual warming trend region- wide. Will likely see more widespread 60s during the afternoon hours by Thursday, Friday and potentially Saturday as high pressure builds over the region. Cannot even rule out a few of the warmer interior locations of the Central Coast approaching 70s deg F late this week. The only chance of precipitation late in the week will be over northern Sonoma County late Thursday into Friday when a system passes inland to the north. Regardless, widespread precipitation is not likely.

The next chance of widespread rainfall is forecast for this upcoming weekend when a mid/upper level trough pushes into the Pacific Northwest. This will drag a frontal boundary into the North Bay sometime around Friday night before moving southward through the weekend. While this system looks to bring some precipitation to much of the region, widespread heavy rainfall is unlikely. Additionally, impacts from this system will be minimal with mostly beneficial rainfall. Temperatures will also cool late in the weekend into early next week in response to the upper level trough. Precipitation chances diminish early next week for much of the region as weak ridging builds back into place. However, unsettled conditions are likely to persist over northern California through at least the first half of next week as systems push inland. This may allow for some light rainfall over the North Bay, but again widespread impacts are unlikely.

AVIATION. as of 09:55 PM PST Wednesday . For 06z TAFs. Skies are mostly clear with a few high clouds passing overhead this evening. Near surface moisture remains elevated and patchy low cloud and fog development will be a concern tonight through Thursday morning. Fog is most likely across the North Bay overnight. Have maintained mention of low clouds and reduced vis across the Bay Area terminals in the tafs but confidence remains low. High clouds will increase and thicken late tonight. Any fog which forms tonight will clear by Thursday afternoon, with VFR during the afternoon hours. Winds will generally be light through the period.

Vicinity of KSFO . VFR expected through 12z with passing high clouds. Low clouds and patchy fog may develop after 12z, however exact timing and coverage remain lower confidence. Patchy haze and reduced vis will be possible through 21z Thursday, otherwise VFR Thursday afternoon and evening. Winds will be light through the period. A weak boundary late in the period will bring increased low-level moisture and low clouds late Thursday night.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . Comms issues continue with Salinas ASOS and FAA lines. VFR expected late this evening with patchy low clouds and fog returning early Thursday morning. Exact timing and coverage remain lower confidence. Light offshore winds through Thursday morning with onshore winds Thursday afternoon.

MARINE. as of 8:57 PM PST Wednesday . Seas will continue to decrease overnight into Thursday with light winds over the waters. Generally light winds will persist Friday and Saturday with high pressure over the region. However a long period northwest swell will pass through the waters Friday and Saturday. The next storm approaches later Saturday into Sunday with increasing southerly winds followed by another large northwest swell behind the front Sunday into Monday.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. None.

PUBLIC FORECAST: CW AVIATION: ST MARINE: ST

Visit us at www.weather.gov/sanfrancisco

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA	12 mi	55 min		48°F			1025.4 hPa
PCOC1 - 9415144 - Port Chicago, CA	15 mi	55 min		49°F	49°F		1025.1 hPa
MZXC1 - 9415102 - Martinez-Amorco CA	16 mi	55 min		48°F	50°F		1025.4 hPa
UPBC1	16 mi	61 min	E 2.9 G 4.1
LNDC1	20 mi	55 min		52°F			1024.8 hPa
AAMC1 - 9414750 - Alameda, CA	22 mi	55 min		51°F	52°F		1024.9 hPa
OBXC1	23 mi	55 min		52°F				52°F
OKXC1 - 9414776 - Oakland (Berth 34), CA	23 mi	55 min		52°F			1025 hPa
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA	23 mi	67 min	N 2.9 G 4.1
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA	23 mi	55 min		49°F			1024.9 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA	24 mi	55 min		51°F			1025.3 hPa
SFXC1 - San Francisco Bay Reserve, CA	24 mi	64 min	Calm
PXOC1 - 9414311 - San Francisco (Pier 1), CA	26 mi	55 min		52°F			1024 hPa
PXSC1	26 mi	55 min		54°F				50°F
RCMC1 - 9414863 - Richmond, CA	27 mi	55 min		51°F	52°F		1024.8 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA	29 mi	56 min	WNW 4.1	51°F			1025 hPa (+0.0)
FTPC1 - 9414290 - San Francisco, CA	30 mi	55 min		54°F	53°F		1025 hPa
RTYC1 - 9414523 - Redwood City, CA	30 mi	55 min		50°F	53°F		1025.3 hPa
46237 - San Francisco Bar, CA (142)	39 mi	79 min			53°F	6 ft

Wind History for Port Chicago, CA

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Concord, Buchanan Field, CA	11 mi	56 min	SSE 3	10.00 mi	Fair	47°F	43°F	86%	1024 hPa
Livermore, Livermore Municipal Airport, CA	13 mi	56 min	N 0	5.00 mi	Fog/Mist	46°F	44°F	93%	1024.9 hPa
Hayward, Hayward Air Terminal, CA	18 mi	55 min	NE 6	10.00 mi	Fair	51°F	46°F	86%	1025.7 hPa
Oakland, Metro Oakland International Airport, CA	20 mi	56 min	E 5	10.00 mi	A Few Clouds	51°F	46°F	83%	1024.9 hPa

Link to 5 minute data for KCCR

Wind History from CCR (wind in knots)

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Tide / Current Tables for Pittsburg, New York Slough, Suisun Bay, California

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Tide / Current Tables for Antioch Pt .3 mi E, San Joaquin River, California Current

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Weather Map

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GEOS Local Image of CentralWestCoast    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East

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Wind Forecast for San Francisco/Monterey Bay Area, CA (3,6,7,8)

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Ground Weather Radar Station Sacramento, CA

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