Wednesday, December11, 2019
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Marine Weather and Tides
Berkeley, CA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:13AMSunset 4:51PM Wednesday December 11, 2019 3:18 PM PST (23:18 UTC) Moonrise 4:45PMMoonset 6:36AM Illumination 100% Phase: Full Moon; Moon at 15 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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PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 205 Pm Pst Wed Dec 11 2019
Tonight..S winds 5 to 10 kt. A chance of rain.
Thu..S winds 5 to 15 kt. A chance of rain.
Thu night..W winds 5 to 10 kt. A slight chance of rain.
Fri..SW winds 5 to 10 kt. A chance of rain.
Fri night..W winds 10 to 20 kt with gusts up to 25 kt. A slight chance of rain.
Sat..W winds 5 to 15 kt.
Sat night..W winds 5 to 15 kt.
Sun..NW winds up to 10 kt.
Mon..NE winds 5 to 10 kt. A chance of rain.
PZZ500 205 Pm Pst Wed Dec 11 2019
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light southerly winds will prevail tonight into Thursday then switch around to the northwest with the arrival of the next weather system. This next system will also bring with it a large long period northwest swells. This swell will build on Thursday, peak on Friday and continue through Saturday.


7 Day Forecast for Marine Location Near Berkeley, CA
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location: 37.86, -122.33     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 112204 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 204 PM PST Wed Dec 11 2019

SYNOPSIS. Periods of light rain will be possible over mainly the northern portion of the forecast area through Saturday with mild temperatures region-wide. Conditions will dry out and turn cooler Sunday into Monday. Unsettled conditions will potentially return by mid/late next week.

DISCUSSION. as of 02:04 PM PST Wednesday . KMUX radar continues to indicate scattered showers mainly across the North Bay with isolated showers around San Mateo and Santa Cruz Counties. Additional showers have formed off the coast and will drift inland this afternoon. Moist zonal flow has developed and will remain in place through Friday with subtropical moisture offshore. A weak disturbance moving through the flow will interact with the abundant moisture to enhance rainfall this evening and overnight, mainly across the northern half of the forecast area. Scattered showers will continue on Thursday, with another disturbance on Friday bringing another round of light rain, once again focused on our northern areas. The moist onshore flow will finally be pushed south on Saturday as a trough approaches from the northwest. Precipitation from the trough looks to be very light and mostly brush by to our north. The trough will usher in a colder and drier airmass with Sunday and Monday cool and dry.

Precipitation amounts tonight through Thursday will range from a quarter to a half inch across the North Bay, 0.1 to 0.2 inches in the Bay Area, and less than a tenth of an inch near Monterey Bay. The higher terrain of the North Bay could pick up slightly higher amounts with totals up to an inch. Additional rainfall on Friday will range from a few hundredths to a quarter of an inch, with locally up to a half inch in the North Bay Mountains. Rainfall rates and totals are not expected to create significant impacts, with wet and slick roadways the main concern during brief periods of moderate rain.

Skies will remain cloudy through the week as moisture continues to stream inland. Temperatures will warm several degrees across southern areas on Thursday and Friday under a slightly warmer airmass. Highs both days will mainly be in the 60s, coolest across the North Bay where showers will be the most persistent and warmest in the lower elevations of Monterey and San Benito Counties. Temperatures will cool significantly on Saturday behind a cold front with highs in the mid to upper 50s. Cool temperatures will continue on Sunday and Monday as northwesterly flow aloft sets up. Overnight lows will also drop considerably with 30s possible in many valley locations.

A ridge will build over the eastern Pacific on Sunday and move overhead on Monday. The ridge looks to be short-lived as another trough is projected to approach California on Tuesday or Wednesday. Models have generally come into better agreement about this feature with the latest model cycle. Looking into the long term, the pattern looks to remain progressive into the middle of December with the potential for more significant storm systems 8-14 days into the future.

AVIATION. as of 9:56 AM PST Wednesday . Light showers expected through the day as a series of shortwave disturbances move across northern California. MVFR cigs will be predominant through most of the day over Bay Area terminals while terminals south of the the San Francisco Bay may see some scattering out of the lower levels with mid level clouds persist. Light southeasterly winds will prevail. Light rain will taper this afternoon but may pick up again overnight as the next disturbance moves across the region.

Vicinity of KSFO . MVFR cigs around 2500-3000 ft will prevail through this evening. Cigs will lower to around 1200-1500 ft overnight. Light southeast winds under 10 kt will continue.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . MVFR/VFR cigs around 3000-6000 ft will prevail through this afternoon. Cigs will lower to around 1000-1500 ft this evening. Light east to southeasterly winds under 10 kt will continue.

MARINE. as of 9:00 AM PST Wednesday . Weak high pressure off the California coast extends across California into the Great Basin. Winds will be light southeast through Thursday night before switching to northwest. Large northwest swells with long periods will build on Thursday and continue through Saturday.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. NONE.



PUBLIC FORECAST: ST AVIATION: CW MARINE: CW

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OKXC1 - 9414776 - Oakland (Berth 34), CA 3 mi48 min N 1.9 G 2.9 54°F 1022.2 hPa
OBXC1 4 mi48 min 55°F 55°F
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 4 mi48 min N 1.9 G 4.1
PPXC1 - 9414847 - Richmond (Point Potrero), CA 4 mi48 min NW 1.9 G 4.1 56°F 1022.6 hPa
LNDC1 5 mi48 min NW 1 G 2.9 57°F 1022.1 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 5 mi48 min N 1.9 G 1.9 54°F 1021.2 hPa
PXSC1 5 mi48 min 55°F 55°F
AAMC1 - 9414750 - Alameda, CA 6 mi48 min NNW 1.9 G 4.1 55°F 55°F1022.2 hPa
RCMC1 - 9414863 - Richmond, CA 6 mi48 min NW 5.1 G 6 54°F 55°F1021.9 hPa
TIBC1 - Tiburon Pier, San Francisco Bay, CA 7 mi49 min NNW 6 53°F 1023 hPa
FTPC1 - 9414290 - San Francisco, CA 8 mi48 min NNE 1.9 G 1.9 54°F 1022.4 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 14 mi48 min ESE 9.9 G 13 53°F 1022.2 hPa
MZXC1 - 9415102 - Martinez-Amorco CA 16 mi48 min ENE 7 G 8.9 53°F 54°F1022.9 hPa
UPBC1 17 mi48 min ENE 8 G 11
46237 - San Francisco Bar, CA (142) 17 mi48 min 55°F8 ft
PCOC1 - 9415144 - Port Chicago, CA 21 mi48 min ENE 7 G 7 52°F 54°F1022.6 hPa
RTYC1 - 9414523 - Redwood City, CA 25 mi48 min NW 2.9 G 4.1 61°F 57°F1022.7 hPa
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 27 mi48 min E 5.1 G 6 52°F 1023 hPa
SFXC1 - San Francisco Bay Reserve, CA 28 mi93 min E 6 53°F 1023 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 28 mi118 min SSE 16 G 19 56°F 56°F1022.4 hPa
PRYC1 - 9415020 - Point Reyes, CA 36 mi48 min 54°F1021.2 hPa
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 45 mi118 min SSE 18 G 23 56°F 57°F1022.1 hPa55°F

Wind History for Point Potrero Richmond, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Oakland, Metro Oakland International Airport, CA12 mi25 minW 310.00 miOvercast61°F53°F75%1022.1 hPa
Concord, Buchanan Field, CA17 mi25 minVar 63.00 miFog/Mist55°F50°F83%1021.4 hPa
San Francisco, San Francisco International Airport, CA17 mi82 minN 44.00 miFog/Mist55°F52°F90%1022 hPa
Hayward, Hayward Air Terminal, CA18 mi24 minSSE 810.00 miOvercast63°F51°F65%1022.8 hPa
San Carlos Airport, CA23 mi28 minN 310.00 miOvercast59°F55°F88%1022.3 hPa
Novato / Gnoss Field, CA23 mi23 minSE 40.50 miFog/Mist54°F53°F100%1022.7 hPa
Napa, Napa County Airport, CA24 mi24 minE 92.50 miFog/Mist54°F52°F93%1021.4 hPa

Link to 5 minute data for KOAK

Wind History from OAK (wind in knots)
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Last 24hrNW5SW4NW8NW9CalmE3CalmNE3CalmE3E6E4E4SE3E6SE6SE5SE4SE4S3CalmCalmE4W3
1 day agoNW8NW6NW7NW4CalmCalmCalmE5E4E4CalmN3N3N3NE5CalmNE4E8S7SW6SW6SW3W5Calm
2 days agoNW6NW6NW7NW5CalmCalmCalmE3CalmNE3CalmSE3E3NE4E3E3CalmNE3E4SE4S4S3W3W5

Tide / Current Tables for Berkeley, California (2)
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Berkeley
Click for Map
Wed -- 04:37 AM PST     2.62 feet Low Tide
Wed -- 06:36 AM PST     Moonset
Wed -- 07:14 AM PST     Sunrise
Wed -- 10:31 AM PST     6.42 feet High Tide
Wed -- 04:44 PM PST     Moonrise
Wed -- 04:50 PM PST     Sunset
Wed -- 05:37 PM PST     -0.72 feet Low Tide
Wed -- 09:14 PM PST     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.74.43.83.12.72.73.13.94.95.86.36.45.84.631.40.1-0.6-0.7-0.10.81.93.14.1

Tide / Current Tables for Berkeley Yacht Harbor, California Current
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Berkeley Yacht Harbor
Click for Map
Wed -- 12:32 AM PST     -0.00 knots Slack
Wed -- 02:13 AM PST     -0.11 knots Max Ebb
Wed -- 04:33 AM PST     0.00 knots Slack
Wed -- 06:36 AM PST     Moonset
Wed -- 07:14 AM PST     Sunrise
Wed -- 08:13 AM PST     0.28 knots Max Flood
Wed -- 11:30 AM PST     -0.00 knots Slack
Wed -- 02:25 PM PST     -0.32 knots Max Ebb
Wed -- 04:44 PM PST     Moonrise
Wed -- 04:50 PM PST     Sunset
Wed -- 05:55 PM PST     0.00 knots Slack
Wed -- 09:14 PM PST     Full Moon
Wed -- 09:19 PM PST     0.35 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1-0.1-0.1-0.1-000.10.20.30.30.20.1-0.1-0.2-0.3-0.3-0.2-0.100.20.30.30.30.3

Weather Map
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wmap_P
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
Wind Forecast for San Francisco/Monterey Bay Area, CA (18,4,5,8)
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Ground Weather Radar Station Sacramento, CA
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