Thursday, July2, 2020
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Marine Weather and Tides
Fields Landing, 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 5:48AMSunset 8:53PM Thursday July 2, 2020 4:10 PM PDT (23:10 UTC) Moonrise 5:42PMMoonset 2:38AM Illumination 93% Phase: Waxing Gibbous; Moon at 12 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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PZZ410 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 222 Pm Pdt Thu Jul 2 2020
Synopsis for northern california waters..Strong northerlies and steep wind-driven seas will remain locally hazardous tonight, especially downwind of cape mendocino. Conditions will continue to gradually improve from around cape mendocino northward heading into the weekend, but northerly winds and seas will remain elevated south of the cape.


7 Day Forecast for Marine Location Near Fields Landing, CA
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location: 40.77, -124.25     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 022154 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 254 PM PDT Thu Jul 2 2020

SYNOPSIS. Near seasonal temperatures and dry weather will persist across Northwest California during the next seven days. In addition, northwest to west breezes will continue for at least the next couple of afternoons, but will trend lighter compared to earlier in the week. Otherwise, nightly bouts of marine stratus will continue over portions of the coast and the Eel River Valley.

DISCUSSION. Broad upper troughing occurring over SWRN BC and the PAC NW is forecast to persist during the next seven days. However, shortwave impulses embedded within the larger scale gyre will remain north of NWRN CA. Thus, dry weather is highly probable, though light patchy drizzle can't be ruled out with nightly bouts of marine stratus developing in the vicinity of the coast. The first round of stratus is forecast to occur tonight, initially developing over Humboldt Bay southward around the tip of Cape Mendocino. Southerly winds may develop late tonight along the Del Norte coast, which would aid in stratus spreading north toward Crescent City. Stratus may dissipate during Friday afternoon, only to redevelop during Friday night. Otherwise, afternoon highs will generally remain in the 80s to around 90 degrees across interior valleys during the next seven days.

JMG

AVIATION. Clear skies and lighter winds are occurring along most of the coast and interior of NW California. VFR conditions are prevailing at KACV and KUKI. Meanwhile, marginal MVFR conditions are lingering at KCEC due to hazy skies. Sky conditions at KACV and KCEC are expected to change during the evening due to the development of the marine layer and stratus clouds along the coastal region. This may result in lower MVFR or IFR conditions at KACV and KCEC. The arrival time of the lower ceiling is uncertain. Otherwise, KACV and KCEC should stay with low ceilings into early afternoon on Friday. Elsewhere, VFR conditions will prevail across the interior.

ZVS

MARINE. While the are some localized spots across the coastal waters that area seeing strong winds and steep seas continue today, the strongest winds are not nearly as widespread as Wednesday, which is allowing seas to begin to lower. Still, areas near Pt St George and particularly in the usual 'core' on the lee- side of Cape Mendocino, wind gusts in the 30 to 35 kt range will be found through this evening. Meanwhile, winds generally lighter elsewhere, especially nearshore outside of those aforementioned spots. Those winds downwind of the Cape are helping to maintain hazardous seas particularly over portions of the outer waters, so will continue a Haz Seas Warning there through this evening. Otherwise, Small Craft Advisory conditions will likely be the rule through Friday, but with lighter conditions off Humboldt Bay and along the immediate Mendocino coast. Heading into the weekend, winds and seas will continue to become more tolerable from near Cape Mendocino northward, but will also continue to funnel around the Cape and result in persistent Small Craft Advisory conditions to the south. That pattern may last even through the middle of next week. /AAD

FIRE WEATHER. Critically low RH values are forecast to occur this weekend over interior portions of NWRN CA, with poor recoveries expected within the thermal belt located across mid to upper mountain and ridge slopes. In addition, model guidance shows winds becoming gusty out of the west-northwest during the afternoon hours, with gusty winds persisting at ridgetop level through late night. The dry airmass and locally gusty winds will yield elevated fire weather conditions over portions of Lake and southern-eastern Mendocino Counties Saturday and Sunday.

JMG

EKA WATCHES/WARNINGS/ADVISORIES. CA . None. NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory until 9 AM PDT Friday for PZZ450.

Small Craft Advisory until 6 AM PDT Saturday for PZZ470.

Small Craft Advisory until 6 AM PDT Saturday for PZZ455.

Hazardous Seas Warning until 3 AM PDT Friday for PZZ475.



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
NJLC1 1 mi118 min NW 9.7 G 9.7 52°F
HBYC1 - 9418767 - North Spit, CA 2 mi94 min 50°F1015.1 hPa
46244 - Humboldt Bay, North Spit, CA 10 mi44 min 52°F7 ft
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA 17 mi30 min N 5.8 G 7.8 53°F 51°F1016 hPa50°F
46213 - Cape Mendocino, CA (094) 42 mi44 min 51°F9 ft

Wind History for North Spit, Humboldt Bay, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fortuna Rohnerville Airport, CA16 mi80 minWNW 9 G 1810.00 miFair63°F51°F68%1014.6 hPa
Arcata / Eureka, Arcata Airport, CA17 mi77 minNNW 1010.00 miFair61°F50°F67%1014.8 hPa

Link to 5 minute data for KFOT

Wind History from FOT (wind in knots)
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Tide / Current Tables for Humboldt Bay Entrance, California
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Humboldt Bay Entrance
Click for Map
Thu -- 03:38 AM PDT     Moonset
Thu -- 04:48 AM PDT     -0.75 feet Low Tide
Thu -- 05:50 AM PDT     Sunrise
Thu -- 11:09 AM PDT     4.50 feet High Tide
Thu -- 04:07 PM PDT     2.70 feet Low Tide
Thu -- 06:42 PM PDT     Moonrise
Thu -- 08:51 PM PDT     Sunset
Thu -- 10:10 PM PDT     7.42 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.13.51.80.4-0.5-0.7-0.20.823.34.14.54.443.42.92.72.93.74.8677.47.2

Tide / Current Tables for Hookton Slough, Humboldt Bay, California
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Hookton Slough
Click for Map
Thu -- 03:38 AM PDT     Moonset
Thu -- 05:06 AM PDT     -0.75 feet Low Tide
Thu -- 05:50 AM PDT     Sunrise
Thu -- 11:33 AM PDT     5.00 feet High Tide
Thu -- 04:25 PM PDT     2.70 feet Low Tide
Thu -- 06:41 PM PDT     Moonrise
Thu -- 08:51 PM PDT     Sunset
Thu -- 10:34 PM PDT     7.92 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.14.42.50.9-0.3-0.8-0.40.51.83.24.34.954.53.93.22.72.83.54.65.97.17.87.8

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 (19,4,5,8)
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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.