Saturday, July4, 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 5:49AMSunset 8:53PM Saturday July 4, 2020 5:46 PM PDT (00:46 UTC) Moonrise 7:52PMMoonset 4:13AM Illumination 100% Phase: Full Moon; Moon at 14 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 200 Pm Pdt Sat Jul 4 2020
Synopsis for northern california waters..Fresh to strong northerly breezes and steep seas will persist south of cape mendocino through Monday morning. Winds will be lighter north of the cape, but seas will remain steep across the outer waters.


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 042128 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 228 PM PDT Sat Jul 4 2020

SYNOPSIS. Near seasonal temperatures and dry weather will persist during the next seven days. Meanwhile, coastal areas will see a continued marine influence with nighttime and morning low clouds and patchy fog followed by clearing afternoon skies.

DISCUSSION. Clear skies and mild temperatures were observed area wide during Saturday afternoon. However, model guidance shows marine stratus developing tonight in the vicinity of Humboldt Bay and points south around Cape Mendocino, with fog and perhaps patchy drizzle possible within areas of stratus. The stratus may dissipate during Sunday afternoon, followed by redevelopment Sunday night. Meanwhile, mild and dry conditions will persist across the interior.

Typical summer weather will be likely during the next work week across NWRN CA. Model guidance does show a weak upper wave passing across OR/WA late next week, which could conceivably yield a stray shower over interior Del Norte county. Otherwise, no precipitation is expected across the region during the next seven days.

JMG

AVIATION. Clear skies and VFR conditions prevail across NW CA this afternoon. The primary forecast challenge for this TAF period will revolve around the impact of the marine layer on flight categories at the coastal terminals tonight, as stratus coverage has been much more sparse and transient than progged over the past 24 hrs. The pattern will not change appreciably during the period as the region remains under the influence of large scale troughing to the north, which will promote a moderately deep 2000-3000 ft marine layer as supported by the bulk of the guidance as well as recent profiler data. Have brought stratus and IFR ceilings back into KCEC and KACV between 05z and 08z this evening based on these factors, but confidence is lower than normal and there is a possibility that VFR conditions will persist into the night again. Meanwhile, KUKI and other interior airfields should remain solidly VFR through the TAF period and beyond. /CB

MARINE. Fresh to strong northerlies will continue to be found across the southern marine zones in the coming days, with locally steeper seas and occasional gale force gusts near and downwind of Cape Mendocino. Extended the existing Small Craft Advisories out through Monday morning with the afternoon forecast package. Winds will remain lighter north of the Cape, however short period seas will continue to support marginal advisory conditions across the outer waters for the remainder of the weekend. More tranquil conditions conditions with relatively calmer sea states will prevail across the northern nearshore zone. The same general pattern of troughing to the north and ridging to the south will persist for much of the coming week, supporting a continued moderate northerly wind regime with enhanced conditions downwind of the Cape. /CB

BEACH HAZARDS. A beach hazard statement remains in effect as an enhanced long period southerly swell on the order of about 4 feet at 19 seconds continues to move through the waters through Sunday evening. There remains a slightly increased sneaker wave potential this weekend on mainly south facing beaches such as those on the Lost Coast, although the threat will tend to be countered somewhat by existing shorter period wave energy from the north-northwest. /CB

FIRE WEATHER. Critically low humidity values will continue across the region, with poor overnight recoveries expected across the highest ridges. In addition, surface observations show moderate west-northwest gusts occurring across the interior this afternoon, and model guidance supports continued breezy conditions over exposed ridges during the overnight hours. These conditions will yield an elevated fire weather threat today and Sunday, particularly over Lake and interior Mendocino counties were fuels are driest.

JMG

EKA WATCHES/WARNINGS/ADVISORIES. CA . Beach Hazards Statement through Sunday evening for CAZ101-103- 104-109.

NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory until 9 AM PDT Monday for PZZ455-475.

Small Craft Advisory until 9 PM PDT Sunday for PZZ470.



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 mi94 min N 16 G 19 53°F
HBYC1 - 9418767 - North Spit, CA 2 mi70 min 51°F1022.9 hPa
46244 - Humboldt Bay, North Spit, CA 10 mi50 min 55°F4 ft
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA 17 mi26 min N 9.7 G 12 56°F 55°F1023.3 hPa52°F
46213 - Cape Mendocino, CA (094) 42 mi20 min 51°F6 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 mi56 minWNW 1310.00 miA Few Clouds64°F48°F56%1022.3 hPa
Arcata / Eureka, Arcata Airport, CA17 mi53 minNNW 1510.00 miFair67°F48°F51%1022.6 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
Sat -- 05:13 AM PDT     Moonset
Sat -- 05:51 AM PDT     Sunrise
Sat -- 06:25 AM PDT     -1.53 feet Low Tide
Sat -- 01:00 PM PDT     4.92 feet High Tide
Sat -- 05:54 PM PDT     3.07 feet Low Tide
Sat -- 08:51 PM PDT     Sunset
Sat -- 08:51 PM PDT     Moonrise
Sat -- 09:44 PM PDT     Full Moon
Sat -- 11:41 PM PDT     7.36 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.164.42.50.7-0.7-1.5-1.4-0.60.82.33.74.64.94.74.33.73.23.13.44.35.46.57.2

Tide / Current Tables for Hookton Slough, Humboldt Bay, California
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Hookton Slough
Click for Map
Sat -- 05:13 AM PDT     Moonset
Sat -- 05:51 AM PDT     Sunrise
Sat -- 06:43 AM PDT     -1.53 feet Low Tide
Sat -- 01:24 PM PDT     5.42 feet High Tide
Sat -- 06:12 PM PDT     3.07 feet Low Tide
Sat -- 08:51 PM PDT     Sunset
Sat -- 08:51 PM PDT     Moonrise
Sat -- 09:44 PM PDT     Full Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.86.95.43.41.4-0.3-1.3-1.5-0.80.423.64.85.45.34.84.13.43.13.345.26.47.4

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

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Wind Forecast for Eureka, CA (20,4,5,8)
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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.