Saturday, March28, 2020
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Marine Weather and Tides
Mountain Gate, 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 6:56AMSunset 7:31PM Saturday March 28, 2020 2:01 PM PDT (21:01 UTC) Moonrise 8:21AMMoonset 10:50PM Illumination 23% Phase: Waxing Crescent; Moon at 5 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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PZZ415 Expires:201909161915;;301382 Fzus76 Keka 161819 Mwseka Marine Weather Statement National Weather Service Eureka Ca 1119 Am Pdt Mon Sep 16 2019 Pzz410-415-450-470-161915- 1119 Am Pdt Mon Sep 16 2019
.isolated strong Thunderstorms over the coastal waters... The areas affected include... Coastal waters from point saint george to cape mendocino ca out 60 nm... At 1114 am, doppler radar indicated a few strong Thunderstorms, capable of producing wind gusts to around 30 knots, from 5 nm northwest of orick to 45 nm west of patrick's point. These storms are moving southeast at 10 knots. Precautionary/preparedness actions... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms passes. && lat...lon 4174 12416 4145 12406 4123 12411 4114 12416 4105 12415 4106 12414 4102 12411 4070 12426 4071 12426 4058 12435 4083 12572 4096 12565 4178 12460 4178 12426
PZZ400 837 Am Pdt Sat Mar 28 2020
Synopsis for northern california waters..Light to moderate southerly winds will last through tonight, then switch to light southwest to west on Sunday. A small, mid period northwest swell and a small long period southerly swell will continue for the weekend, with low seas overall until the next northwest swell begins to fill in by Tuesday.


7 Day Forecast for Marine Location Near Mountain Gate, CA
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location: 40.77, -122.34     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 281049 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 339 AM PDT Sat Mar 28 2020

Synopsis. Unsettled weather is expected over the weekend with showers and mountain snow showers. Threat of showers persists in the north Monday and Tuesday, otherwise drier and much warmer into the middle of next week.

Discussion. Warm advection is spreading light precipitation into the northwestern California coast ahead of a positively-tilted short wave trough. Mesoscale models suggest this precipitation could reach western Shasta County around 5-7 am, then spread into the rest of the northern Coastal Range and Delta by 10 am, reaching the northern Sierra by around noon. The trough tracks inland later in the day. Model ensembles show rain amounts of around .05" to .15" are expected by early evening. Snow levels are forecast to be around 4500-5000 feet, with snow amounts during the day ranging from a dusting to an inch.

Conditions trend wetter Saturday night into Sunday as reinforcing wave with a cold front pushes inland, but moisture is somewhat lacking, so rain and snowfall amounts should remain light to moderate. Have introduced a slight chance of thunderstorms Sunday afternoon over the Delta and western San Joaquin Valley with some modest instability there in potential clearing behind the front.

Total Valley rainfall amounts will range from 0.20 to 0.50 inches. Over the Sierra/Cascade range, NBM projects 3 to 5 inches of snow with higher amounts around mountain ridges. While snow rates and total amounts are modest, some mountain travel delays are possible on any snow covered roads.

On Monday, trough from the Gulf of Alaska passes through the Pacific Northwest, with the southern portion of a cold front brushing through the northern mountains and northern Sacramento Valley. This will keep shower chances in those areas, with the bulk of the precipitation remaining further to the north. Expect cloudy skies along with periods of light rain showers to dominate Monday with total amounts staying under a tenth of an inch. For Monday, temperatures will rebound quite a bit from the weekend with mostly sunny skies likely from I-80 southward.

Tuesday warms quite a bit, although some clouds and lingering light showers remain possible over the mountains of Shasta County. Valley highs in the low 70s are expected. This begins a warming and drying trend. EK EXTENDED DISCUSSION (Wednesday THROUGH Saturday).

Ensemble mean and latest deterministic runs support the idea of broad ridging amplifying by the end of next week resulting in dry weather and gradually milder temperatures across the region. Highs are forecast to around 5-15 degrees above average.

AVIATION.

Mostly VFR conditions are expected thru about 20Z, then areas of MVFR with local IFR conditions as showers develop across the region. Snow level 040-050. Winds generally less than 10 kts.

STO WATCHES/WARNINGS/ADVISORIES. None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HBYC1 - 9418767 - North Spit, CA 99 mi86 min 53°F1021.2 hPa

Wind History for North Spit, Humboldt Bay, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Redding Municipal Airport, CA18 mi69 minN 010.00 miOvercast54°F42°F64%1021.5 hPa

Link to 5 minute data for KRDD

Wind History from RDD (wind in knots)
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Last 24hrS10S11S10S10S8SE4SE3CalmN3CalmCalmCalmCalmS5CalmCalmS5SW5S5S7S63CalmE5
1 day agoSE3E753S6SW3CalmCalmN3CalmN4CalmCalmCalmN4CalmCalmCalmNE3CalmE4CalmNE3S5
2 days agoSE8SE8CalmNW12
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NE7CalmNE3N4NW4NW5NW4SE4CalmN3CalmCalmCalmN7N16
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NE8NE7NE85

Tide / Current Tables for Arcata Wharf, Humboldt Bay, California
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Arcata Wharf
Click for Map
Sat -- 03:24 AM PDT     6.63 feet High Tide
Sat -- 07:05 AM PDT     Sunrise
Sat -- 09:27 AM PDT     Moonrise
Sat -- 10:15 AM PDT     0.75 feet Low Tide
Sat -- 04:29 PM PDT     5.37 feet High Tide
Sat -- 07:37 PM PDT     Sunset
Sat -- 10:00 PM PDT     2.63 feet Low Tide
Sat -- 11:58 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.95.16.16.66.55.94.93.62.31.20.80.91.72.83.94.85.35.34.94.23.52.92.62.9

Tide / Current Tables for Eureka Slough Bridge, Humboldt Bay, California
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Eureka Slough Bridge
Click for Map
Sat -- 03:08 AM PDT     7.12 feet High Tide
Sat -- 07:05 AM PDT     Sunrise
Sat -- 09:28 AM PDT     Moonrise
Sat -- 09:33 AM PDT     0.66 feet Low Tide
Sat -- 04:13 PM PDT     5.74 feet High Tide
Sat -- 07:38 PM PDT     Sunset
Sat -- 09:18 PM PDT     2.58 feet Low Tide
Sat -- 11:58 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.75.96.77.16.95.94.531.60.80.71.32.33.54.65.45.75.64.943.12.62.73.3

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 Sacramento, CA (17,4,5,8)
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Ground Weather Radar Station Beal AFB, 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.