Sunday, September19, 2021
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Marine Weather and Tides
Samoa, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 7:00AMSunset 7:19PM Sunday September 19, 2021 6:19 AM PDT (13:19 UTC) Moonrise 6:13PMMoonset 4:25AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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:202103071000;;597834 fzus76 keka 070902 mwseka marine weather statement national weather service eureka ca 102 am pst Sun mar 7 2021 pzz410-415-450-455-470-475-071000- 102 am pst Sun mar 7 2021 a marine weather statement has been issued for the following areas... Coastal waters from cape mendocino to pt. Arena ca out 10 nm... Coastal waters from pt. St. George to cape mendocino ca out 10 nm... Humboldt bay... Humboldt bay bar... Waters from cape mendocino to pt. Arena ca from 10 to 60 nm... Waters from pt. St. George to cape mendocino ca from 10 to 60 nm... At 1259 am pst, doppler radar indicated a line of showers, capable of producing winds to around 30 knots. These showers were located along a line extending from 19 nm west of trinidad head to 34 nm southwest of cape mendocino, moving northeast at 30 knots. Precautionary/preparedness actions... Water spouts are possible along with locally higher waves. Boaters should seek safe harbor immediately until these showers pass. Mariners can expect gusty winds to around 30 knots and locally higher waves. Boaters should seek safe harbor immediately until these storms pass. && lat...lon 4123 12411 4114 12416 4098 12412 4076 12423 4087 12415 4085 12409 4083 12408 4080 12418 4070 12421 4070 12427 4071 12427 4044 12441 4032 12435 4026 12436 4016 12425 3994 12505 4121 12458 4143 12406
PZZ400 321 Am Pdt Sun Sep 19 2021
Synopsis for northern california waters..Winds will become northerly today and increase in speed tonight. Breezy northerly winds will continue Monday, but diminish Monday night and Tuesday. A mid- period nw swell will build into the area today and continue through mid-week.


7 Day Forecast for Marine Location Near Samoa, CA
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location: 40.81, -124.19     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 191244 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 544 AM PDT Sun Sep 19 2021

SYNOPSIS. Expect areas of showers across northwest California diminish this morning, followed by clearing skies with a relatively cool and breezy afternoon. More dry weather is on tap for the week ahead, with warming temperatures even at the coast early in the week thanks to offshore flow.

DISCUSSION. The upper level trough and a renewed cold front moved into northern California early this morning. Radar returns have been increasing in coverage and intensity for the northern portion of the region, particularly for Del Norte and Humboldt counties. Otherwise, band of showers will continue to drop southeast into Mendocino County. Rainfall amounts from a few hundreds to four tenth of an inch per hour range. The high resolution models indicates that the showers activity will gradually diminish through the morning hours across northwest California.

The aforementioned upper level trough will continue to eject eastward away from the west coast today, and as a result moisture content is expected to decrease in the area. The winds will begin to shift to the west-northwest. A high pressure ridge builds to our north and east over the Great Basin tonight. This will promote dry offshore winds tonight through Tuesday, especially over the interior ridges on Monday. While some cool marine layer stratus will try to linger Sunday night along the coast, increasingly dry air will probably erode any lingering cloud cover heading into Monday, with sunny skies for much of the area through Tuesday or Wednesday. That evolution will favor increasing afternoon high temperatures through Tuesday, with inland values in the 90s probable during Tuesday. Even coastal areas may see some highs in the 70s on Monday or Tuesday if the offshore winds stay at bay.

AVIATION. One last batch of showers is presently making its way across the area. These showers have mostly come to an end at KCEC, and activity will end at KACV a bit later this morning. Have included a VCSH at KUKI as well, although not expected to much precip to hold together that far south. Some lower ceilings and visibilities are forecast to make their way into the North Coast TAF sites early this morning, but conditions are expected to improve by afternoon. /SEC

MARINE. Winds will become northerly today and increase in speed tonight. Breezy northerly winds will continue Monday, but diminish Monday night and Tuesday. Small Craft Advisories have been hoisted for all marine zones (albeit with different start and end times). A mid-period NW swell will build into the area today and continue through mid-week. /SEC

FIRE WEATHER. Another round of showers associated with the strong upper level trough were moving across the region this morning. The bulk of the rainfall was farther to the north, reaching portions of Mendocino County but amounts much less than areas farther north and any drops southern into Lake County. Offshore component is expected to develop as high pressure builds quickly in to the north tonight into Monday, especially over exposed higher slopes and ridges. This wind will bring in much drier air, followed by a hotter and drier day on Monday. Some locally breezy conditions may persist over the exposed ridgetops Monday night, but expect winds will be lighter overall. However, humidity recoveries heading into Tuesday morning will be much poorer. That means the fire weather watch remains on track, but it is possible in may need to be extended into a portion of Monday night. Do not think fuels will dry enough over zones to the north and west to support any red flag conditions with this offshore flow event, however just the winds and the humidity may get there locally over some of the highest ridges in zones 212 and 277, and maybe even locally elsewhere Monday and Monday night as we dry out. Winds will ease additionally mid-week, but it will remain warm and dry across the interior. /AAD


EKA WATCHES/WARNINGS/ADVISORIES. CA . Fire Weather Watch from this evening through Monday afternoon for Lake County Portion of Lake/Napa/Sonoma RU.

NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory from noon Monday to midnight PDT Monday night for Pt St George to Cape Mendocino out 10 nm.

Small Craft Advisory from 6 PM this evening to 9 PM PDT Monday for Cape Mendocino to Pt Arena out 10 nm.

Small Craft Advisory from 3 AM Monday to 6 AM PDT Tuesday for Pt St George to Cape Mendocino 10 to 60 nm.

Small Craft Advisory from 6 PM this evening to 6 AM PDT Tuesday for Cape Mendocino to Pt Arena 10 to 60 nm.



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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
HBXC1 2 mi139 min 56°F
HBYC1 - 9418767 - North Spit, CA 3 mi43 min 55°F1017.6 hPa
NJLC1 4 mi55 min SSW 12 G 15 56°F
46244 - Humboldt Bay, North Spit, CA 11 mi53 min 52°F7 ft
TDPC1 17 mi139 min 54°F
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA 18 mi29 min S 9.7 G 14 54°F 51°F8 ft1017.5 hPa53°F
46213 - Cape Mendocino, CA (094) 46 mi53 min 54°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 mi26 minSSW 53.00 miFog/Mist58°F56°F93%1017.9 hPa
Fortuna Rohnerville Airport, CA18 mi64 minN 010.00 miOvercast57°F55°F94%1017.6 hPa

Link to 5 minute data for KACV

Wind History from ACV (wind in knots)
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Last 24hrS8NW9SW10
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SW11S10W4NW33SW8SW6SW5S3S5S6S6SE6SW5S7SE6SE7SE5S7S7SW5
1 day agoE5CalmNE3CalmCalmW44W4W4W3W3W4CalmE3CalmE5CalmCalmE4SE8SE5E5SE8SE7
2 days agoE4CalmCalm--W5CalmW6W7NW73NW9NW9CalmS3E4SE4SE5SE4SE3SE3SE4SE3E5Calm

Tide / Current Tables for Eureka, Humboldt Bay, California (2)
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Eureka
Click for Map
Sun -- 05:25 AM PDT     Moonset
Sun -- 05:49 AM PDT     -0.42 feet Low Tide
Sun -- 07:01 AM PDT     Sunrise
Sun -- 12:37 PM PDT     6.72 feet High Tide
Sun -- 05:57 PM PDT     1.93 feet Low Tide
Sun -- 07:13 PM PDT     Moonrise
Sun -- 07:18 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.46.44.82.91.1-0.1-0.40.11.32.94.55.86.66.764.73.32.31.92.33.34.55.96.9

Tide / Current Tables for Fields Landing, Humboldt Bay, California
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Fields Landing
Click for Map
Sun -- 05:26 AM PDT     Moonset
Sun -- 05:40 AM PDT     -0.41 feet Low Tide
Sun -- 07:01 AM PDT     Sunrise
Sun -- 12:10 PM PDT     6.28 feet High Tide
Sun -- 05:48 PM PDT     1.86 feet Low Tide
Sun -- 07:13 PM PDT     Moonrise
Sun -- 07:18 PM PDT     Sunset
Sun -- 11:45 PM PDT     6.94 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.65.53.92.20.7-0.2-0.40.31.63.14.65.86.365.242.92.11.92.43.44.75.96.7

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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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