Monday, January20, 2020
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Marine Weather and Tides
Lockwood, 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.

Sunrise 7:12AMSunset 5:19PM Monday January 20, 2020 8:49 PM PST (04:49 UTC) Moonrise 3:31AMMoonset 1:53PM Illumination 17% Phase: Waning Crescent; Moon at 26 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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PZZ565 Coastal Waters From Point Pinos To Point Piedras Blancas California Out To 10 Nm- 810 Pm Pst Mon Jan 20 2020
.small craft advisory in effect through late Tuesday night...
Tonight..SE winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 7 to 9 ft at 19 seconds, increasing to 9 to 11 ft at 18 seconds after midnight.
Tue..S winds 10 to 20 kt. Wind waves 3 to 4 ft. W swell 8 to 10 ft at 16 seconds. A chance of showers.
Tue night..SE winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 10 to 12 ft at 16 seconds. A chance of showers.
Wed..W winds up to 10 kt. Wind waves 1 ft. NW swell 10 to 12 ft at 15 seconds.
Wed night..NW winds 5 to 15 kt. Wind waves 1 ft. NW swell 8 to 10 ft at 14 seconds.
Thu..NW winds 5 to 15 kt. Wind waves 1 ft. W swell 5 to 7 ft at 12 seconds.
Thu night..N winds 5 to 15 kt. Wind waves 1 ft. W swell 4 to 6 ft at 11 seconds and W up to 2 ft at 21 seconds.
Fri..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 7 to 9 ft and nw 2 to 4 ft.
Sat..NW winds up to 10 kt. Wind waves 1 ft. W swell 8 to 10 ft. A chance of rain.
PZZ500 810 Pm Pst Mon Jan 20 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Southerly winds will gradually increase tonight ahead of an approaching cold front that will push through the coastal waters on Tuesday. A longer period northwest swell will also begin to build over the waters tonight before peaking midweek. This will generate hazardous seas conditions for smaller vessels. Another long period northwest swell will then arrive late week.


7 Day Forecast for Marine Location Near Lockwood, CA
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location: 35.92, -121.73     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 210142 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 542 PM PST Mon Jan 20 2020

SYNOPSIS. Mostly cloudy and seasonably cool conditions will persist over the region today. There is a slight chance of sprinkles or isolated light rain, but most areas should remain dry. Rain chances increase region-wide late tonight into Tuesday as a weak frontal system moves across northern California. Mostly dry conditions are then expected for the remainder of the week, with rain likely returning next weekend.

DISCUSSION. as of 01:45 PM PST Monday . Looks like the hi-res short term models were right with today's forecast. The HRRR for instance indicated the best chance for showers actually reaching the ground would be Monterey Area southward to Big Sur. Taking a look at the afternoon KMUX radar imagery shows more defined showers tracking NE over the Santa Lucia Mts. Automated gauges in Monterey did actually show a tip around 1 PM. A few spotters and media also reported a few drops making to the ground near Salinas. even had brief rain here at the office. Not expecting much more than a passing shower this afternoon and this evening. Any lingering showers will end shortly after sunset this evening.

No major changes to the sensible weather forecast over the next 24-36 hours. The stream of subtropical moisture advecting in from the southwest (high clouds and scattered showers today) will slowly ease southward this evening and overnight. The next chance for rain will be associated with a passing cold front, which is currently off the PacNW Coast. The cold front is on track to move toward the NorCal Coast tonight and then push through the Bay Area on Tuesday. Warm advection light rain will develop over the North Bay tonight and then precip will increase in coverage with the cold front early Tuesday. Biggest initial impact will be to the morning commute for the North Bay. Model trends have been slower with the southward movement and steadier rain may not make it into San Francisco until mid morning or early afternoon. The other model trend noted has been to really weaken the front as it moves southward. The rapid weakening is also trending drier the farther south the front goes. Simply put - rains chances will be greatest north of the Golden Gate in the morning Tuesday and may completely fizzle by the time it reaches Monterey in the afternoon. Definitely not on par with the fropa last week. Rainfall amounts will generally be light with up to 1" far North Bay.

Dry weather develops behind the front Tuesday night through Friday. Medium range models are still showing precip returning the region next week. Hopefully, the details will come into better focus the next few days.

AVIATION. as of 5:42 PM PST Monday . For 00z TAFs. The focus of light wet weather has remained mainly south today and is currently pressing toward the Sierra Nevada with a warm front high aloft. VFR tempo MVFR into the early evening, to the south where it's rained cloud layers have lowered to 2,000 feet to 5,000 feet agl. Wet weather with lowering ceilings and visibilities develops Tuesday and Tuesday night.

Vicinity of KSFO . VFR borderline MVFR in visibility, otherwise most recent cloud ceiling is near 11,000 feet. VFR forecast for tonight with probability 30% light showers developing Tuesday afternoon.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . VFR-MVFR. Light and variable winds becoming SE this evening persisting through Tuesday morning.

MARINE. as of 5:21 PM PST Monday . Southerly winds will gradually increase tonight ahead of an approaching cold front that will push through the coastal waters on Tuesday. A longer period northwest swell will also begin to build over the waters tonight before peaking midweek. This will generate hazardous seas conditions for smaller vessels. Another long period northwest swell will then arrive late week.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. SCA . Pt Arena to Pt Reyes 0-10 nm SCA . Pt Reyes to Pigeon Pt 0-10 nm SCA . Pt Arena to Pigeon Pt 10-60 nm SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm from 9 PM SCA . Pigeon Pt to Pt Piedras Blancas 10-60 nm from 9 PM



PUBLIC FORECAST: MM AVIATION: Canepa MARINE: RGass

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46028 - CAPE SAN MARTIN - 55NM West Northwest of Morro Bay, CA 14 mi30 min S 5.8 G 7.8 54°F 55°F1017.7 hPa51°F
46239 - Point Sur, CA (157) 35 mi50 min 55°F8 ft
MEYC1 48 mi74 min 55°F1017.6 hPa

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA47 mi56 minN 010.00 miMostly Cloudy51°F46°F83%1019.1 hPa

Link to 5 minute data for KMRY

Wind History from MRY (wind in knots)
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Last 24hrSE5SW3SE6S3SE4SE4E43E4SE5E6W4CalmS4CalmSE3E3E3CalmCalmW4SW3SE5Calm
1 day agoCalmCalmCalmSE6E3CalmSE3SE4SE4SE3SE3SE3E4W3CalmNW3W5CalmCalmCalmCalmCalmSE6E5
2 days agoSE5SE5E4E5SE4CalmCalmCalmCalmE4E3CalmCalmCalmNE55E6NE7NE7--CalmCalmCalmCalm

Tide / Current Tables for San Simeon, California
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San Simeon
Click for Map
Mon -- 12:02 AM PST     1.94 feet Low Tide
Mon -- 03:27 AM PST     Moonrise
Mon -- 06:34 AM PST     5.72 feet High Tide
Mon -- 07:12 AM PST     Sunrise
Mon -- 01:51 PM PST     Moonset
Mon -- 01:58 PM PST     -0.39 feet Low Tide
Mon -- 05:19 PM PST     Sunset
Mon -- 08:25 PM PST     3.46 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.92.12.63.44.35.15.65.75.24.331.70.6-0.1-0.4-0.10.61.52.43.13.43.43.12.6

Tide / Current Tables for Carmel Cove, Carmel Bay, California
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Carmel Cove
Click for Map
Mon -- 12:17 AM PST     1.92 feet Low Tide
Mon -- 03:33 AM PST     Moonrise
Mon -- 06:50 AM PST     5.67 feet High Tide
Mon -- 07:17 AM PST     Sunrise
Mon -- 01:52 PM PST     Moonset
Mon -- 02:13 PM PST     -0.39 feet Low Tide
Mon -- 05:20 PM PST     Sunset
Mon -- 08:41 PM PST     3.42 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.922.43.24.14.95.55.75.34.53.32.10.90-0.4-0.20.31.22.12.93.33.43.22.7

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 (23,6,7,8)
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Ground Weather Radar Station San Francisco Bay Area, CA
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.