Sunday, January26, 2020
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Marine Weather and Tides
Manila, 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 7:30AMSunset 5:27PM Sunday January 26, 2020 2:54 AM PST (10:54 UTC) Moonrise 8:55AMMoonset 7:21PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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;;886895 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 815 Pm Pst Sat Jan 25 2020
Synopsis for northern california waters..Southerly winds will peak this evening ahead of an approaching cold front, then increase again Sunday night into Monday. The strongest winds will be found N of cape mendocino. A large westerly swell will move through the waters Sunday through early in the coming week.


7 Day Forecast for Marine Location Near Manila, CA
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location: 40.83, -124.16     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 252243 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 243 PM PST Sat Jan 25 2020

SYNOPSIS. A series of frontal systems will impact the region during the next five days. Beneficial rain will accompany the passage of each system. A transition to warmer and drier weather may occur late next week.

DISCUSSION. An upper-level trough was located offshore from the west coast Saturday afternoon. A warm/moist conveyor belt was located ahead of the trough, and was aiding in an environment favorable for widespread light/moderate rain. Rainfall rates will be augmented tonight as midlevel forcing for ascent increases as the upper trough moves onshore. In addition, southerly winds will become locally gusty this evening ahead of a surface frontal boundary, ranging from 30 to 40 mph across exposed ridges and coastal areas. Rainfall and winds will diminish quickly during Sunday morning as the upper trough begins to exit east.

Model guidance shows quasi-zonal flow developing aloft going into Monday. Moist/mild deep-layer onshore flow will be probable as a result, with embedded upper impulses aiding in periods of rain Monday/Tuesday, and again Wednesday/Thursday. Impacts with each round of rain are not forecast to be substantial . though the probability of mountain mudslides will increase as the soil continues to saturate. Otherwise, large-scale ridging is forecast to occur over the west coast late in the week. That will favor warmer and drier weather across the region, with highs in the 60s likely across interior portions of northwest California . particularly in Mendocino County.

JMG

AVIATION. A warm front along with isentropic ascent is producing scattered showers across the area this afternoon. This activity has been on the increase over the past hour or two, and high resolution models suggest that this will continue into the evening hours as the area of rain generally shifts E. An approaching cold front will bring another band of rain to the coastline by midnight, and this precipitation will shift E over the interior as well toward daybreak as it becomes more showery. Expect ceilings to generally remain MVFR to VFR through the evening as southerly winds increase and briefly become gusty. Ceilings should begin to fall as cold frontal rains reach the area. Visibilities will periodically drop to IFR in heavier showers, especially if accompanied by fog. Rains and winds will be lighter overnight at KUKI, but indications are that MVFR ceilings will prevail most of the night with airport minimums occasionally being reached. /SEC

MARINE. Southerly winds will increase tonight ahead of an approaching cold front, particularly near and N of Cape Mendocino. There may be a brief period across portions of our marine area when winds drop off later tonight and before building long period W swell builds in that conditions will drop below Small Craft Advisory criteria, but feel that this will not be a long enough time to justify having a gap in the advisories. As a result, will be hoisting an area-wide advisory through early in the coming week. W swell is forecast to peak in height Monday morning before gradually subsiding. /SEC

EKA WATCHES/WARNINGS/ADVISORIES. CA . None. NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory until noon PST Tuesday for PZZ450-455-470- 475.



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

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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
HBYC1 - 9418767 - North Spit, CA 5 mi78 min 52°F1017.5 hPa
46244 - Humboldt Bay, North Spit, CA 11 mi54 min 52°F7 ft
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA 21 mi34 min WSW 12 G 16 54°F 53°F1017.5 hPa53°F
46213 - Cape Mendocino, CA (094) 48 mi54 min 53°F9 ft

Wind History for North Spit, Humboldt Bay, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Arcata / Eureka, Arcata Airport, CA12 mi61 minSW 81.25 miRain Fog/Mist54°F52°F93%1017.9 hPa

Link to 5 minute data for KACV

Wind History from ACV (wind in knots)
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Last 24hrSE9CalmCalmCalmE4CalmCalmCalmCalmCalmSE3W3CalmS4S9S9S8S8SE8S7S9S7SW10SW8
1 day agoSE4S4S4SE3SE4SE3E3SE4S4S3S5CalmW5CalmCalmCalmCalmCalmCalmS6S6S7SE10S7
2 days agoSE5SE9SE6E3CalmCalmCalmN3E3NE3CalmE3S5NW3E3SW4SE5SE7SE9S7S14S8S6S5

Tide / Current Tables for Samoa, Humboldt Bay, California
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Samoa
Click for Map
Sun -- 01:49 AM PST     6.20 feet High Tide
Sun -- 06:34 AM PST     2.94 feet Low Tide
Sun -- 07:32 AM PST     Sunrise
Sun -- 08:54 AM PST     Moonrise
Sun -- 12:37 PM PST     7.48 feet High Tide
Sun -- 05:26 PM PST     Sunset
Sun -- 07:21 PM PST     Moonset
Sun -- 07:22 PM PST     -0.59 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.266.25.74.83.73.133.54.55.66.77.37.46.85.43.61.80.3-0.5-0.40.41.73.2

Tide / Current Tables for Humboldt Bay Entrance, California
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Humboldt Bay Entrance
Click for Map
Sun -- 01:21 AM PST     5.10 feet High Tide
Sun -- 06:34 AM PST     2.94 feet Low Tide
Sun -- 07:32 AM PST     Sunrise
Sun -- 08:54 AM PST     Moonrise
Sun -- 12:09 PM PST     6.38 feet High Tide
Sun -- 05:26 PM PST     Sunset
Sun -- 07:22 PM PST     Moonset
Sun -- 07:22 PM PST     -0.59 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.55.154.643.4333.54.35.266.46.25.44.22.71.20.1-0.5-0.40.31.62.9

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
Wind Forecast for Eureka, CA (5,6,7,8)
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Ground Weather Radar Station Eureka, 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.