Sunday, November29, 2020
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Marine Weather and Tides
Hollister, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:56AMSunset 4:51PM Saturday November 28, 2020 9:00 PM PST (05:00 UTC) Moonrise 4:05PMMoonset 5:17AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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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PZZ535 Monterey Bay- 837 Pm Pst Sat Nov 28 2020
Tonight..SE winds up to 10 kt, becoming northeast after midnight. Wind waves 1 ft. W swell 4 to 6 ft at 13 seconds.
Sun..NW winds 5 to 15 kt. Wind waves 1 ft. W swell 4 to 6 ft at 13 seconds.
Sun night..SW winds 5 to 15 kt. Wind waves 1 ft. W swell 4 to 6 ft at 13 seconds.
Mon..W winds 5 to 10 kt. Wind waves 1 ft. W swell 4 to 6 ft at 19 seconds.
Mon night..E winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 4 to 6 ft at 18 seconds.
Tue..NW winds up to 10 kt. Wind waves 1 ft. W swell 6 to 8 ft at 16 seconds.
Tue night..NE winds around 5 kt. Wind waves 1 ft. W swell 5 to 7 ft at 15 seconds.
Wed..NE winds 5 to 10 kt. Wind waves 1 ft. W swell 4 to 6 ft.
Thu..NE winds around 5 kt. Wind waves 1 ft. W swell 6 to 8 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 837 Pm Pst Sat Nov 28 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light to moderate northwest winds continue over the waters tonight through Sunday, with locally breezy conditions developing south of point sur Sunday afternoon. Strengthening high pressure will bring more widespread breezy conditions on Monday. A moderate northwest swell continues through the weekend. The next long- period northwest swell arrives Monday into Tuesday with another long period swell train arriving late in the week.


7 Day Forecast for Marine Location Near Hollister, CA
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location: 36.85, -121.43     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 290440 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 840 PM PST Sat Nov 28 2020

SYNOPSIS. High pressure over California will result in sunny, mild days and clear, cool nights through through next week.

DISCUSSION. As of 8:40 PM PDT Saturday . Weather conditions this evening are nearly identical to last evening. Skies are clear across the entire region, winds are light and variable near sea level while light northeast (offshore) winds are occurring in the hills. This light offshore flow will continue to maintain a dry airmass over our area, which means another cool night tonight with temperatures dropping down to around freezing in the interior valleys, or a bit below the freezing mark in the coldest valley locations. Sunday's high temperatures are forecast to be similar to today with afternoon highs in the mid and upper 50s close to the ocean and in the hills, 60s most everywhere else except some lower 70s from Monterey Bay southward.

A weather system currently in the Gulf of Alaska is forecast to move to the ESE and into the Pacific Northwest late Sunday night and Monday morning. An associated cold front may bring light rain as far south as Mendocino County on Monday morning, but almost certainly not as far south as Sonoma County. Earlier model runs indicated this system may help turn our flow briefly onshore on Monday and result in slight cooling, but most recent models indicate only subtle changes on Monday, with virtually no change in temperatures expected aside from a slight moderation in nighttime lows and a degree or two of daytime cooling.

After the Monday system passes inland, an upper ridge is forecast to rapidly amplify along the West Coast while light offshore flow redevelops. This will result in more sunny, mild days and clear, cool nights through next week.

Longer range models provide little hope for rain anytime soon. Both the GFS and ECMWF ensemble mean pattern maintains ridging over the western U.S. through mid December.

AVIATION. as of 3:54 PM PST Saturday . for the 00z tafs . VFR across all terminals with light onshore flow and clear skies. Surface high pressure off of the California coast and over the Great Basin will continue to produce light winds over the terminals through the forecast period. Light northerly flow aloft will allow dry air to continue filtering into the Bay Area, staving off low clouds and fog formation.

Vicinity of KSFO . VFR. Calm winds currently but gentle onshore breeze expected to develop through the early evening, then light to calm overnight through Sunday afternoon. Clear skies will prevail, other than a few passing high clouds.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . VFR with clear skies and light onshore breeze, though stronger down the Salinas Valley. Winds light to calm overnight in coastal areas, with SE drainage wind developing in the Salinas Valley overnight through Sunday morning. VFR conditions continuing through the TAF period.

MARINE. As of 8:37 PM PST Saturday . Light to moderate northwest winds continue over the waters tonight through Sunday, with locally breezy conditions developing south of Point Sur Sunday afternoon. Strengthening high pressure will bring more widespread breezy conditions on Monday. A moderate northwest swell continues through the weekend. The next long- period northwest swell arrives Monday into Tuesday with another long period swell train arriving late in the week.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. None.

PUBLIC FORECAST: Dykema AVIATION: Lorber MARINE: Lorber

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ELXC1 - Elkhorn Slough Reserve, CA 17 mi75 min N 1 46°F 43°F
46240 - Cabrillo Point, Monterey Bay, CA (158) 30 mi34 min 54°F2 ft
MEYC1 30 mi84 min SSE 2.9 G 4.1 47°F 1021.6 hPa
46092 - MBM1 32 mi62 min NNW 1.9 53°F 53°F1020.7 hPa (+0.3)

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hollister, CA, CA3 mi65 minN 010.00 miFair45°F24°F46%1022.7 hPa
Salinas, Salinas Municipal Airport, CA16 mi67 minN 310.00 miFair50°F37°F63%1022.5 hPa
Watsonville, Watsonville Municipal Airport, CA20 mi67 minNNW 310.00 miFair47°F39°F74%1021.9 hPa

Link to 5 minute data for KCVH

Wind History from CVH (wind in knots)
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Last 24hrE5E5CalmE3CalmN5CalmCalm--CalmSE4CalmCalmCalmCalmCalmCalmNW5NW8NW8NW8N8NE3Calm
1 day agoSE4E6CalmS3NE3E4NE3CalmNE5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3N3N3CalmCalm
2 days agoN3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE8NE10E11E8E7S5E5E6

Tide / Current Tables for Elkhorn, California (2)
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Elkhorn
Click for Map
Sun -- 03:21 AM PST     2.41 feet Low Tide
Sun -- 06:16 AM PST     Moonset
Sun -- 06:59 AM PST     Sunrise
Sun -- 09:23 AM PST     5.28 feet High Tide
Sun -- 04:18 PM PST     -0.31 feet Low Tide
Sun -- 04:38 PM PST     Moonrise
Sun -- 04:51 PM PST     Sunset
Sun -- 11:21 PM PST     3.98 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.63.22.72.42.52.93.54.34.95.25.24.63.62.31.10.1-0.3-0.20.31.122.93.64

Tide / Current Tables for Elkhorn Slough railroad bridge, California
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Elkhorn Slough railroad bridge
Click for Map
Sun -- 03:24 AM PST     2.38 feet Low Tide
Sun -- 06:16 AM PST     Moonset
Sun -- 06:59 AM PST     Sunrise
Sun -- 09:35 AM PST     5.52 feet High Tide
Sun -- 04:21 PM PST     -0.30 feet Low Tide
Sun -- 04:38 PM PST     Moonrise
Sun -- 04:50 PM PST     Sunset
Sun -- 11:33 PM PST     4.16 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.93.32.72.42.52.93.54.355.45.553.92.61.20.2-0.3-0.20.31.122.93.74.1

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
Ground Weather Radar Station San Francisco Bay Area, CA
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weather_mapweather_map weather_map


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Disclaimer:
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.