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Marine Weather and Tides Myrtle, 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.

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Sunrise 7:36AM

Sunset 5:16PM

Saturday January 16, 2021 12:40 AM PST (08:40 UTC)

Moonrise 10:12AM

Moonset 9:12PM

Illumination 9%

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.

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7 Day Forecast for Marine Location Near Myrtle, CA

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Area Discussion for - Eureka, CA

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FXUS66 KEKA 152300 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 300 PM PST Fri Jan 15 2021

SYNOPSIS. Dry and mild conditions will prevail as high pressure ridging expands through Saturday. Northerly to easterly winds will be on the increase Saturday. Hints of a pattern change showing up mid to late next week.

DISCUSSION. Some trace amounts of light rain was observed this morning in isolated coastal areas along with overcast skies as a weak front passes. Radar continued to show light returns in the early afternoon with very little if any light rain reaching the ground. The upper cloud deck will thin out overnight, but the conditions will be favorable for widespread inland valley fog to develop and linger into the late morning hours. Abundant sunshine will be seen away from the immediate coast on Saturday, while northerly ridgetop winds pickup in the evening and overnight, mainly along Cape Mendocino. Temperatures aloft will gradually warm through Saturday, particularly across the southern half of the area where 850 mb temps of 15-17 degrees Celsius will correspond to afternoon highs in the low to mid 70s in the interior valleys of Mendocino and Lake County this weekend.

A shortwave will clip the area on Sunday and then dig south while rapidly deepening with a synoptic positively tilted Great Basin trough. This feature will quickly strengthen the pressure gradient alongside the NEPAC building ridge. The result will be warm, dry, and locally gusty conditions for NW CA through the first half of next week. Winds may occasionally gust over 50 mph over the ridges at times, especially Sunday night. Right now wind advisory conditions look isolated and brief, but will need to be monitored. The trough will cutoff from the flow later Tuesday as high pressure noses back in, easing the pressure gradient. Refer to the fire weather discussion below for additional details.

There is growing confidence the large dominant Pacific ridge will weaken and begin retrograding west by midweek. This will open the window for a pattern shift toward cooler and wetter weather. There is uncertainty in the available moisture at that time if a trough were to dig down, along with other details to be worked out. /JJW

AVIATION. Multi-layered cloudiness has blanket most of the area today, along with a bit of drizzle or very light rain along the North Coast and some patches of fog. Clouds will continue through the night. There is still the potential of fog and IFR ceilings overnight tonight, but higher level cloudiness may continue to impede better radiational cooling. There may be a bit of shallow ground fog at KUKI toward daybreak as well, but have not gone below prevailing 6SM visibility at this time. Winds will be light. /SEC

MARINE. A series of westerly swells will aid in continuing 10 to 15 foot seas through early next week. Combined seas will build further over the outer waters into the 15 to 25 foot range Sunday evening through Monday afternoon as gale force northerlies develop. After Monday, periods of hazardous marine conditions will persist through mid-week as winds remain gusty out of the north. /Garner&SEC

FIRE WEATHER. A shortwave trough will rapidly deepen as it approaches NW CA Sunday evening and then dig southward along the CA coast Sunday night, with another vigorous shortwave dropping through the Great Basin later Monday helping to reinforce large scale troughing from the intermountain west into southern CA. This synoptic setup has the potential makings of an unseasonably strong offshore wind event from Sunday night into Tuesday across parts of Mendocino and Lake Counties, which is further supported by ensemble standardized wind anomalies of 3-4 standard deviations above normal early next week. Critical fire conditions are not expected to be met given the relatively recent widespread rainfall, which has kept fuel moisture in check. CB/JJW

BEACH HAZARDS. A long period swell is forecast to impact west facing beaches through Monday. That swell will aid in a moderate threat for hazardous surf Saturday and again on Monday, while sneaker waves will be possible on Sunday. /Garner&SEC

EKA WATCHES/WARNINGS/ADVISORIES. CA . None. NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory until 10 PM PST Saturday for PZZ450-455-470.

Gale Watch from Sunday morning through Monday afternoon for PZZ470-475.

Small Craft Advisory until 10 AM PST Sunday 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

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
HBXC1	3 mi	101 min			53°F
HBYC1 - 9418767 - North Spit, CA	5 mi	65 min			53°F		1027.5 hPa
NJLC1	6 mi	77 min	NNW 7.8 G 9.7	50°F
46244 - Humboldt Bay, North Spit, CA	13 mi	45 min			53°F	11 ft
TDPC1	18 mi	71 min			53°F
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA	21 mi	31 min	N 7.8 G 9.7	51°F	53°F		1026.8 hPa	50°F
46213 - Cape Mendocino, CA (094)	47 mi	45 min			54°F	12 ft

Wind History for North Spit, Humboldt Bay, CA

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Arcata / Eureka, Arcata Airport, CA	13 mi	48 min	SSE 3	4.00 mi	Fog/Mist	49°F	49°F	100%	1027.5 hPa
Fortuna Rohnerville Airport, CA	17 mi	96 min	N 0	0.50 mi	Overcast	50°F	50°F	100%	1027.1 hPa

Link to 5 minute data for KACV

Wind History from ACV (wind in knots)

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Tide / Current Tables for Eureka Slough Bridge, Humboldt Bay, California

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Tide / Current Tables for Humboldt Bay Entrance, California

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Weather Map

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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

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Ground Weather Radar Station

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