Saturday, September26, 2020
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Marine Weather and Tides
Fiddle, 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 6:54AMSunset 6:55PM Saturday September 26, 2020 8:49 PM PDT (03:49 UTC) Moonrise 3:43PMMoonset 12:39AM Illumination 74% Phase: Waxing Gibbous; Moon at 10 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- 830 Pm Pdt Sat Sep 26 2020
Tonight..W winds 5 to 15 kt with gusts up to 30 kt. Hazy and patchy smoke.
Sun..SW winds 5 to 10 kt with gusts up to 30 kt. Hazy and patchy smoke.
Sun night..W winds up to 10 kt. Hazy and patchy smoke.
Mon..E winds up to 10 kt. Hazy and patchy smoke.
Mon night..SW winds up to 10 kt. Hazy and patchy smoke.
Tue..NW winds 5 to 15 kt.
Tue night..SW winds 5 to 10 kt.
Wed..SW winds 5 to 15 kt.
Thu..SW winds 5 to 15 kt.
PZZ500 830 Pm Pdt Sat Sep 26 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... North-northwest winds with strong gusts continue this evening, making for hazardous conditions for small craft vessels. Winds will decrease over the southern waters by Sunday afternoon with locally breezy conditions across the northern outer waters into Sunday evening. By Monday, high pressure will shift east allowing the winds to subside. Wind direction will pivot to the north and east Sunday evening before turning southeast on Monday. Northwest swell will gradually subside over the weekend while a light southerly swell also continues.


7 Day Forecast for Marine Location Near Fiddle, CA
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location: 38.52, -120.78     debug


Area Discussion for - Sacramento, CA
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FXUS66 KSTO 262235 AFDSTO

Area Forecast Discussion National Weather Service Sacramento CA 335 PM PDT Sat Sep 26 2020

SYNOPSIS. Temperatures will warm over the weekend along and will be accompanied with drier and windier conditions. This will lead to critical fire weather conditions starting Saturday night and continuing through Monday morning. Above normal temperatures and dry conditions linger into late next week.

DISCUSSION. Our weather will become more active over the next 12 to 24 hours across NorCal. Long wave troughing is setting up over the central part of the country and we will see an embedded short wave dig out of western Canada into the western Great Plains. This will increase the surface pressure gradient over NorCal as the Pacific high continues to build into the region. We are already seeing increased northerly flow over the area with gusts up to 25 mph. Currently the KSAC-KMFR gradient is around 8 mb and we will see that increase to 11 to 15 mb by the mid-morning tomorrow. We will also see an increased gradient from KSAC-KRNO (9-11 mb) overnight tonight. With these gradient we will see gusty north and east winds over much of the area with the strongest winds over the Sacramento Valley and Sierra Foothills. Wind gusts 30-45 mph, locally higher in wind prone areas can be expected after 13z/6 am and will continue into Sunday afternoon. We should see the winds die down some during the evening tomorrow but they will still remain breezy. Winds pick back up over the Sierra Sunday night as the gradient increases and wind gusts over the Sierra and Foothills may be a bit stronger than tonight but should be weaker over the Valley. Winds will be diminishing during the morning and into the afternoon Monday as the upper level ridge builds in over us and we see the troughing push east. These downslope winds will bring very low daytime humidity falling into the single digits and poor to moderate overnight recoveries. The combined wind and humidity will bring extreme fire weather concerns starting late this evening through Monday.

The heat will be our other concern as the Pacific ridge builds in. Temperatures are running about 5 to 10 warmer then this time yesterday and the warming trend will continue into Sunday and for early next week. The hottest days are expected to be Monday- Wednesday. Moderate heat risk is forecasted starting tomorrow and heat impacts will be possible especially for those sensitive to the heat and those that work outside.

Smoke will also likely be a concern over the much of the region as we see the north winds develop and the inversion increase.

-CJM

EXTENDED DISCUSSION (Wednesday THROUGH Saturday). Upper level ridge will remain parked over the West Coast through much of the next work week. This will result in a prolonged period with widespread 90s for the Sacramento and northern San Joaquin Valleys, likely through the end of September and into the beginning of October. For those keeping tally, Downtown Sacramento has recorded 105 days this year at/above 90 deg F, ranking second all-time. The record is 110 days, which occurred in 1984. If the present forecast remains on track, 2020 will overtake 1984 by the end of next week.

Dry conditions are forecast to prevail through the extended period.

AVIATION. VFR conditions are currently forecast for the next 24 hours; however, with increasing northerly and easterly winds, smoke from the wild fires may bring lowered visibility and/or ceilings to TAF sites. Expect to see increasing winds throughout the overnight hours, with sustained valley wind speeds ranging from 15 to 30 kt. Gusts up to 40 kt or so will be possible at times, especially for sites north of Sacramento. For the mountains and foothills gusts up to 40 to 45 kt may be possible, especially for wind prone canyons, gaps, and ridgetops.

STO WATCHES/WARNINGS/ADVISORIES. Red Flag Warning from 9 PM this evening to 9 PM PDT Monday for Carquinez Strait and Delta-Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Eastern Mendocino NF-Eastern Portion of Shasta/Trinity NF- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units-Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft-Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft-Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units-Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak-Beckworth Peak)- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest-Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-Glenn Unit-Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit-Southern Sacramento Valley in Yolo-Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Stanislaus NF West of the Sierra Crest.

Wind Advisory from 2 AM Sunday to 2 PM PDT Monday for Carquinez Strait and Delta-Central Sacramento Valley-Mountains Southwestern Shasta County to Western Colusa County-Northeast Foothills/Sacramento Valley-Northern Sacramento Valley-Shasta Lake Area / Northern Shasta County-Southern Sacramento Valley- Western Plumas County/Lassen Park.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SFXC1 - San Francisco Bay Reserve, CA 70 mi65 min W 1
PCOC1 - 9415144 - Port Chicago, CA 74 mi56 min W 5.1 G 7 76°F 71°F1012.8 hPa
RCMC1 - 9414863 - Richmond, CA 96 mi56 min NW 7 G 8.9 74°F 63°F1013.2 hPa

Wind History for Port Chicago, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sacramento Mather Airport, CA28 mi65 minNNW 710.00 miMostly Cloudy82°F48°F30%1011.8 hPa

Link to 5 minute data for KMHR

Wind History from MHR (wind in knots)
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Last 24hrSW6SW4S3--------E3----CalmCalmCalmCalmNW8N11NW11
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SW12NW8NW9N8NW7
1 day agoSE5SE8SE8SE9----SE6SE8SE7SE5SE6--S5SE3W3W4SW7--CalmSW3W3--NW4SW7
2 days agoS6SE6SE9SE7----SE7SE6E6SE5E4SE5SE6SE5S4W3--------SW11
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Tide / Current Tables for Sacramento #4, Sacramento River, California
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Sacramento #4
Click for Map
Sat -- 01:41 AM PDT     Moonset
Sat -- 02:56 AM PDT     2.74 feet High Tide
Sat -- 06:57 AM PDT     Sunrise
Sat -- 12:04 PM PDT     -0.06 feet Low Tide
Sat -- 04:45 PM PDT     Moonrise
Sat -- 04:51 PM PDT     2.51 feet High Tide
Sat -- 06:55 PM PDT     Sunset
Sat -- 11:38 PM PDT     0.72 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.42.12.62.72.72.421.61.20.80.40.1-0.10.20.81.62.32.52.421.61.310.8

Tide / Current Tables for Clarksburg #4, Sacramento River, California
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Clarksburg #4
Click for Map
Sat -- 01:42 AM PDT     Moonset
Sat -- 01:47 AM PDT     2.74 feet High Tide
Sat -- 06:57 AM PDT     Sunrise
Sat -- 10:34 AM PDT     -0.06 feet Low Tide
Sat -- 03:42 PM PDT     2.51 feet High Tide
Sat -- 04:45 PM PDT     Moonrise
Sat -- 06:55 PM PDT     Sunset
Sat -- 10:08 PM PDT     0.72 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.22.62.72.62.31.91.510.60.2-0-00.41.11.82.42.52.31.91.51.10.90.70.9

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 Sacramento, CA
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weather_mapweather_map weather_map


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