Friday, February22, 2019 L-36.com


Marine Weather and Tides
Manila, CA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:59AMSunset 6:00PM Friday February 22, 2019 8:06 AM PST (16:06 UTC) Moonrise 9:59PMMoonset 9:09AM Illumination 89% Phase: Waning Gibbous; Moon at 18 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 227 pm pst Fri feb 15 2019 a marine weather statement has been issued for the following areas... Waters from pt. St. George to cape mendocino ca out 60 nm... Humboldt bay bar... At 222 pm pst, doppler radar indicated lines of showers and isolated Thunderstorms over the waters north of cape mendocino, capable of producing winds to around 30 knots and small hail. This activity was moving east-northeast at 30 knots. Precautionary/preparedness actions... Water spouts are possible along with stronger Thunderstorms... Locally higher waves...and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. && lat...lon 4174 12417 4154 12405 4153 12405 4154 12408 4124 12410 4114 12416 4089 12413 4084 12418 4086 12410 4082 12410 4065 12431 4060 12418 4062 12424 4063 12432 4045 12440 4047 12579 4129 12555 4168 12568 4178 12579
PZZ400 234 Am Pst Fri Feb 22 2019
Synopsis for northern california waters..Moderate to strong northerly breezes and steep seas will slowly diminish through Friday. A moderate northwesterly swell accompanies will slowly diminish today. Southerly winds will return on Saturday and strengthen early next week.


7 Day Forecast for Marine Location Near Manila, CA
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location: 40.83, -124.16     debug


Area Discussion for - Eureka, CA
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Fxus66 keka 221217
afdeka
area forecast discussion
national weather service eureka ca
417 am pst Fri feb 22 2019

Synopsis Dry conditions will persist through this afternoon,
followed by showery weather spreading across the north coast
tonight into Saturday. Moderate to locally heavy rain will be
possible across northwest california Sunday and Monday. Wet and
unsettled weather will continue next week.

Discussion Water vapor imagery showed an upper trough moving
east across the great basin early Friday morning, with a second
wave progressing southward across coastal bc. The northern wave
is forecast to shear southeastward across the pac NW this
afternoon and night, which will drive a weak surface frontal
feature southward toward swrn or. Light showers are expected to
develop ahead of the front and impact mainly del norte and
northern humboldt counties through Saturday afternoon.

Meanwhile, the previously mentioned northern trough is forecast to
amplify westward across the nern pac Saturday into Sunday. This
will aid in midlevel flow becoming zonal across the region, while
in the low-levels, a frontal boundary is forecast to become
oriented west to east from coastal or westward across the pacific.

Model guidance shows a midlevel disturbance moving east over the
front during Sunday, which will favor low-level cyclogenesis and
intensifying warm air advection downstream in the vicinity of nrn
ca swrn or. This regime will support intensifying rainfall rates
during Sunday... Eventually peaking Sunday night as the low moves
onshore across or. Heavy rain Sunday night could yield urban and
small stream flooding, as well as rising main stem river levels.

In addition, south winds will potentially gust from 40 to 60 mph
across exposed ridges and coastal areas Sunday night into Monday.

Freezing levels on Saturday will initially start out around
1500-2500 feet, but are forecast to quickly rise to 3000-4000 feet
by Saturday afternoon, and then rise further to 3500-4500 feet
during Sunday. Freezing levels will be lowest over the trinity
horn throughout the weekend, and it is there that heavy high
elevation snow will be most probable, with some impact to travel
possible at scott mountain summit.

Otherwise, a wet and active pattern will continue through most of
next week. Another round of moderate to heavy rain will be
possible Monday night into Tuesday, followed by lighter rains
during midweek, and then perhaps additional moderate to heavy rain
during late week.

Jmg

Aviation Vfr conditions will prevail this morning and
afternoon. Midlevel clouds will spread across the region this
evening, with ceilings falling to around 3000 feet along the
humboldt del norte coast late tonight as a weak front approaches
the region from the north.

Jmg

Marine Winds have decoupled right at the coast but near shore
buoys still showing some gusty northerlies this morning. Winds
should not be as strong today as the gradient very gradually
weakens due to an approaching system. Main issue will be the
residual swell that will likely remain a little elevated through
the afternoon so have extended the sca's a little. Wind field will
lighten significantly by late tonight while backing toward the
south as the next system approaches. Southerly gales are likely by
Sunday.

Hydrology Widespread 2 to 4 inches of rain is expected from
Saturday evening through Monday evening, with localized rainfall
totals up to 6 inches possible over west facing ridge and mountain
slopes. The heaviest rainfall rates will likely occur Sunday
night. This rain event will cause mainstem rivers to rise,
including the eel river at fernbridge, which is forecast to reach
action stage Monday night.

Jmg

Eka watches warnings advisories
Ca... Hard freeze warning until 9 am pst this morning for caz103.

Northwest california coastal waters... Small craft advisory until
10 am pst this morning for pzz470.

Small craft advisory until 3 pm pst this afternoon for pzz455.

Small craft advisory until 9 pm pst this evening for pzz475.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HBYC1 - 9418767 - North Spit, CA 5 mi90 min ESE 4.1 G 5.1 37°F 51°F1019.9 hPa
46244 - Humboldt Bay, North Spit, CA 11 mi36 min 52°F10 ft
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA 21 mi36 min N 16 G 21 52°F1020.8 hPa
46213 - Cape Mendocino, CA (094) 48 mi36 min 53°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, CA12 mi73 minE 610.00 miFair30°F28°F92%1020.6 hPa
Fortuna Rohnerville Airport, CA19 mi71 minSSE 710.00 miFair30°F30°F100%1019.6 hPa

Wind History from ACV (wind in knots)
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Last 24hr------------------------------------------------
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2 days ago------------------------------------------------

Tide / Current Tables for Samoa, Humboldt Bay, California
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Samoa
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Fri -- 02:13 AM PST     7.50 feet High Tide
Fri -- 07:01 AM PST     Sunrise
Fri -- 07:55 AM PST     1.03 feet Low Tide
Fri -- 09:09 AM PST     Moonset
Fri -- 02:08 PM PST     7.30 feet High Tide
Fri -- 05:59 PM PST     Sunset
Fri -- 08:13 PM PST     -0.02 feet Low Tide
Fri -- 09:58 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.66.97.57.26.14.42.71.411.52.74.25.76.87.375.84.12.20.700.31.32.9

Tide / Current Tables for Humboldt Bay Entrance, California
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Humboldt Bay Entrance
Click for Map
Fri -- 01:45 AM PST     6.40 feet High Tide
Fri -- 07:01 AM PST     Sunrise
Fri -- 07:55 AM PST     1.03 feet Low Tide
Fri -- 09:09 AM PST     Moonset
Fri -- 01:40 PM PST     6.20 feet High Tide
Fri -- 05:59 PM PST     Sunset
Fri -- 08:13 PM PST     -0.02 feet Low Tide
Fri -- 09:59 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.26.26.45.94.83.52.21.311.52.63.95.266.25.64.53.11.70.500.21.32.8

Weather Map and Satellite Images
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GOES 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.
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Wind Forecast for Eureka, CA (11,2,3,4)
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Ground Weather Radar Station Eureka, CA
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Disclaimer:
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 numerious 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.