Monday, June1, 2020
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Marine Weather and Tides
Manchester, 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 5:47AMSunset 8:34PM Sunday May 31, 2020 10:36 PM PDT (05:36 UTC) Moonrise 1:51PMMoonset 1:54AM Illumination 76% 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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PZZ540 Coastal Waters From Point Arena To Point Reyes California Out To 10 Nm- 813 Pm Pdt Sun May 31 2020
.small craft advisory in effect from Monday morning through Monday evening...
Tonight..NW winds 5 to 15 kt. Wind waves 2 to 3 ft. Mixed swell nw 4 to 6 ft at 10 seconds and S 3 to 4 ft at 16 seconds.
Mon..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. Mixed swell nw 4 to 6 ft at 9 seconds and S 2 to 4 ft at 18 seconds.
Mon night..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. NW swell 5 to 7 ft at 9 seconds and sw 2 to 3 ft at 17 seconds.
Tue..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 5 to 7 ft at 9 seconds and sw 2 to 3 ft at 16 seconds.
Tue night..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 5 to 7 ft at 9 seconds and sw 2 to 3 ft at 17 seconds.
Wed..NW winds 5 to 15 kt. Wind waves 2 to 3 ft. NW swell 5 to 7 ft at 9 seconds and sw around 2 ft at 18 seconds.
Wed night..NW winds 10 to 15 kt. Wind waves 3 to 4 ft. NW swell 5 to 7 ft at 9 seconds and sw around 2 ft at 18 seconds.
Thu..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 4 to 5 ft. NW swell 5 to 7 ft and sw 2 to 3 ft.
Fri..NW winds 10 to 20 kt. Wind waves 3 to 4 ft. NW swell 4 to 6 ft and sw 2 to 3 ft.
PZZ500 813 Pm Pdt Sun May 31 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Winds out of the northwest are starting to increase and will gradually continue to do such overnight and through late Monday. These winds could generate hazardous seas for smaller vessels. A moderate northwest mixed with a longer period southwest swell prevails in the coastal waters through much of the week.


7 Day Forecast for Marine Location Near Manchester, CA
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location: 38.95, -123.73     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 312130 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 230 PM PDT Sun May 31 2020

SYNOPSIS. Isolated showers will possible over the interior mountains today and Monday. Otherwise, dry weather is expected through much of the upcoming work week. Inland temperatures will steadily warm through the middle of the week. Onshore breezes should keep coastal areas seasonably cool.

DISCUSSION. A shortwave trough offshore is forecast to begin to split and bring some energy onshore late this afternoon and early this evening. Spotty showers will be possible over portions of eastern Del Norte, Trinity, and northeast Mendocino counties this afternoon and early this evening as a result. Confidence is low, but there will be a very slight chance for an isolated thunderstorm in the vicinity of the Trinity Horn late this afternoon and early this evening. An additional round of spotty showers will once again be possible in these areas Monday afternoon as an additional wave moves over the area during the late morning and afternoon time period. The SREF Calibrated Probabilities of Thunder product show a decent chance for some thunder Monday afternoon and early evening, so have introduced thunder chances for portions of Trinity and northeast Mendocino counties. Other areas will remain dry during this timeframe.

Both deterministic and ensemble guidance are in good agreement and show the southern part of the shortwave trough moving southward and forming a cut off low off the Southern California coast later on Monday and into Tuesday. Higher pressure will build toward the area early on Tuesday. As a result, interior temperatures will be on the rise again. Afternoon highs in the upper 80s to mid 90s will be possible starting on Tuesday and lasting through Thursday in some of the warmer interior valleys. Guidance then is in good agreement that another upper-level trough will impact the region from the northwest late on Friday and into the weekend. Exact details are still a little unclear, though cooler weather will return to the interior and the greatest precipitation chances will be in the northern part of the forecast area.

AVIATION. General drying conditions to occur today at TAF sites, but abiding moisture and mechanical uplift over the mountains could result in a few showers over interior airfields. Satellite imagery around 18Z indicated lots of retreating stratus with SCT- BKN higher clouds above. Marine stratus most likely to return overnight . especially at ACV. In Mendocino, UKI reported low clouds this morning with Cigs mostly MVFR, but briefly dipping into LIFR. Bufkit suggested a possibility of a few lower clouds back into UKI in the morning. The confidence level for low cloud CIGS is weak at this time. /TA

MARINE. Northerlies will range from mostly 15 to 25 knots across the outer waters and around Cape Mendocino and Point Saint George through the end of the upcoming work week. Small Craft Advisories are in place for these breezy winds and building short-period seas. A mid-period northwest swell will continue to slowly diminish through early in the week and a longer-period southwest swell will linger throughout portions of the waters through the middle of the week. Otherwise, another another mid- period northwest swell will move through waters starting late on Wednesday.

EKA WATCHES/WARNINGS/ADVISORIES. CA . None. NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory until 3 AM PDT Friday for Pzz450-475.



Visit us at https://www.weather.gov/eureka

Follow us on Facebook and Twitter at: https://www.facebook.com/NWSEureka https://www.twitter.com/NWSEureka

For forecast zone information see the forecast zone map online: https://www.weather.gov/images/eka/zonemap.png


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ANVC1 - 9416841 - Arena Cove, CA 3 mi48 min Calm G 1 54°F 55°F1014.9 hPa
46014 - PT ARENA - 19NM North of Point Arena, CA 23 mi26 min NW 3.9 G 5.8 54°F 52°F1014.7 hPa53°F

Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ukiah Municipal Airport, CA31 mi40 minN 410.00 miFair64°F51°F63%1013.6 hPa

Link to 5 minute data for KUKI

Wind History from UKI (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmNW3SE3CalmCalmCalm35343S5--NE5S4E4CalmN4
1 day agoSE10S8S6S7S65CalmS3CalmSE66S8
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2 days agoCalmCalmCalmS4S3SE4S6S5S7S4CalmSE54SE5SE5SE10S10S12
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Tide / Current Tables for Point Arena, California
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Point Arena
Click for Map
Mon -- 02:14 AM PDT     1.06 feet Low Tide
Mon -- 03:24 AM PDT     Moonset
Mon -- 05:51 AM PDT     Sunrise
Mon -- 07:56 AM PDT     4.19 feet High Tide
Mon -- 01:54 PM PDT     0.72 feet Low Tide
Mon -- 04:02 PM PDT     Moonrise
Mon -- 08:27 PM PDT     5.91 feet High Tide
Mon -- 08:35 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.21.41.11.21.82.63.444.23.93.32.41.50.90.71.11.934.25.25.85.85.24.1

Tide / Current Tables for Point Arena, California Current
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Point Arena
Click for Map
Mon -- 03:21 AM PDT     0.00 knots Slack
Mon -- 03:24 AM PDT     Moonset
Mon -- 05:51 AM PDT     Sunrise
Mon -- 06:08 AM PDT     0.84 knots Max Flood
Mon -- 09:04 AM PDT     -0.00 knots Slack
Mon -- 11:45 AM PDT     -0.97 knots Max Ebb
Mon -- 03:17 PM PDT     0.00 knots Slack
Mon -- 04:02 PM PDT     Moonrise
Mon -- 06:19 PM PDT     1.04 knots Max Flood
Mon -- 08:35 PM PDT     Sunset
Mon -- 09:22 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1-0.9-0.6-0.20.30.70.80.80.50-0.5-0.9-1-0.8-0.5-0.10.40.8110.70.2-0.4-1

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
Wind Forecast for Eureka, CA (1,6,7,8)
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Ground Weather Radar Station Sacramento, CA
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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.