Sunday, March7, 2021
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Marine Weather and Tides
Myrtle, CA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:40AMSunset 6:15PM Saturday March 6, 2021 11:51 PM PST (07:51 UTC) Moonrise 2:08AMMoonset 11:28AM Illumination 38% Phase: Third Quarter Moon; Moon at 23 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 855 Pm Pst Sat Mar 6 2021
Synopsis for northern california waters..Southerly winds will briefly increase in the northern waters ahead of a weak front tonight. Otherwise, a large westerly swell will slowly decay, but will quickly be replaced by another larger swell on Sunday.


7 Day Forecast for Marine Location Near Myrtle, CA
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location: 40.8, -124.14     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 062229 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 229 PM PST Sat Mar 6 2021

SYNOPSIS. Light showers will be possible tonight across portions of Del Norte, Humboldt, and Trinity Counties, while frost and freeze conditions occur over Mendocino and Lake Counties. Thereafter, a brief period of dry weather will occur across the region during Sunday. That will be followed by a period of wintry weather Monday through Wednesday.

DISCUSSION. A frontal boundary will weaken as it moves east- southeast across northwest California tonight. An increase in cloud cover accompanied by light showers will occur with the front over portions of Del Norte, Humboldt, and Trinity Counties. Farther south, skies will generally be clear across much of Mendocino and Lake Counties. That will favor stronger radiational cooling supportive of frost and freeze conditions during Sunday morning. Generally dry conditions are expected during Sunday afternoon. That will be followed by increasing cloud cover downstream from a deepening upper trough. The trough will evolve into a large upper low on Monday. In addition, an expansive area of cold midlevel temperatures (-30 to -35 C at 500 mb) will accompany the upper low. As the cold midlevel airmass spreads east, lapse rates will steepen, and buoyancy profiles will become sufficient for isolated thunderstorms in the vicinity of the coast Monday afternoon through Wednesday. Showers and storms may also yield accumulating small hail near sea level.

Otherwise, freezing levels are forecast to fluctuate between 2000 and 3000 feet MSL Monday afternoon through Wednesday morning. The low freezing levels combined with waves of ascent embedded within the upper low will aid in periods of heavy snow showers across the mountains. Travel across mountain roadways and highway passes may be impacted as a result. Showery wintry weather is forecast to clear the region Wednesday night as the upper low moves south toward SRN CA. Post-trough upper ridging will favor dry weather Thursday through Saturday. Thereafter, a return to showery weather may occur by late next weekend.

Garner

AVIATION. Soon after sunrise, the remnant MVFR ceiling gave way to sunshine; however, the abundant surface moisture from overnight rains led to a plethora of cumulus clouds which began drifting north in the light southerly flow. The Spanish Mountain webcam captured this evolution over KUKI when cumulus briefly blossomed with a 1600 ft base before drifting on and lifting. Afternoon westerly breezes pushed some harmless patchy mid level cumulus back over the terminal. VFR conditions will prevail through midnight, when soon after a quick-moving weak front will increase southerly winds and bring periods of MVFR CIGs and VIS with light rain. Conditions should quickly improve tomorrow morning.

MARINE. Light to gentle breezes are persisting over the waters today, positioned in a quiet interlude between weather systems. A northwest swell is fading on track to allow most Small Craft Advisories to expire as the swell is dropping below 10 ft. Advisory level conditions will persist across the northern outer waters as another weak front brings a temporary uptick in southerlies this evening, with gusts 25 to 30 kts. These wind will quickly back off in the early morning hours Sunday; however a larger swell builds in to around 17 ft at 16 seconds by Sunday afternoon. Hoisted Small Craft Advisories for the swell. Intermittent periods of stronger southerlies will persist across the waters through early next week as a series of fronts continues to move through the area.

EKA WATCHES/WARNINGS/ADVISORIES. CA . Frost Advisory from midnight tonight to 9 AM PST Sunday for CAZ109-112-113-115.

Freeze Warning from midnight tonight to 9 AM PST Sunday for CAZ110-111-114.

NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory until 11 AM PST Tuesday for PZZ470.

Small Craft Advisory from 3 PM Sunday to 11 AM PST Tuesday for PZZ455.

Small Craft Advisory from noon Sunday to 11 AM PST Tuesday 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
HBXC1 3 mi112 min 49°F
HBYC1 - 9418767 - North Spit, CA 5 mi76 min 49°F1020.5 hPa
NJLC1 6 mi88 min SE 5.1 G 7 46°F
46244 - Humboldt Bay, North Spit, CA 13 mi56 min 51°F10 ft
TDPC1 18 mi112 min 50°F
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA 21 mi42 min S 18 G 21 50°F 51°F1019.9 hPa44°F
46213 - Cape Mendocino, CA (094) 47 mi56 min 50°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, CA13 mi59 minSE 710.00 miOvercast45°F37°F74%1020.6 hPa
Fortuna Rohnerville Airport, CA17 mi57 minESE 1210.00 miOvercast45°F37°F76%1020.7 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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Eureka Slough Bridge
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Sun -- 03:13 AM PST     Moonrise
Sun -- 06:35 AM PST     7.64 feet High Tide
Sun -- 06:40 AM PST     Sunrise
Sun -- 12:22 PM PST     Moonset
Sun -- 01:47 PM PST     -0.15 feet Low Tide
Sun -- 06:14 PM PST     Sunset
Sun -- 09:14 PM PST     5.41 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.43.74.35.26.277.67.675.94.22.510.1-0.10.31.12.23.44.45.15.45.34.7

Tide / Current Tables for Humboldt Bay Entrance, California
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Humboldt Bay Entrance
Click for Map
Sun -- 03:13 AM PST     Moonrise
Sun -- 05:54 AM PST     6.31 feet High Tide
Sun -- 06:40 AM PST     Sunrise
Sun -- 12:22 PM PST     Moonset
Sun -- 01:42 PM PST     -0.15 feet Low Tide
Sun -- 06:15 PM PST     Sunset
Sun -- 08:33 PM PST     4.27 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.33.64.24.95.66.16.36.15.44.331.70.6-0-0.10.31.12.133.84.24.24.13.8

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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