Friday, February22, 2019 L-36.com


Marine Weather and Tides
Crescent City, 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 8:07 AM PST (16:07 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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This is a Weather Statement Zone, please check the Date to see if it has expired
PZZ330 1126 Pm Pdt Fri Aug 9 2013
.thunderstorms over the waters... Thunderstorms over the waters have weakened but isolated storms will continue overnight. Mariners can expect gusty and erratic winds with the storms along with frequent lightning. If caught on the open water stay below deck if possible...keep away from ungrounded metal objects. Lat...lon 4397 12411 4396 12411 4400 12413 4284 12455 4242 12440 4225 12441 4205 12428 4184 12422 4181 12580 4198 12579 4220 12589 4370 12576 4386 12565 4399 12562 4403 12414
PZZ300 203 Am Pst Fri Feb 22 2019
Synopsis for the southern oregon coastal waters..Winds and steep seas are gradually subsiding, and seas will lower below 10 feet by Friday morning. High pressure will nudge into the waters tonight, then weaken Friday. A weak front will move into the area Friday night into Saturday, then stall over the area through Sunday at least. The front will gain strength late in the weekend and early next week and bring the potential for increasing winds and waves.


7 Day Forecast for Marine Location Near Crescent City, CA
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location: 41.76, -124.19     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 221145
afdmfr
area forecast discussion
national weather service medford or
345 am pst Fri feb 22 2019

Discussion As we head into the weekend the region switches once
again into an active and very wet pattern as an atmospheric river
event moves in Sunday.

With thicker cirrus moving over the region the higher low deck has
mostly cleared out temperatures are nearing dew points in the west
side valleys and have more confidence with the possibility of
patchy freezing fog in spite of the colder temperatures this
morning. Heights fall with the offshore upper level high and a
105kt jet pushes down on the back side pushes the next front into
our area this afternoon. As the axis of the slowly strengthening
jet moves slowly south and westerly 700 mb flow increases, precip
rates increase as well as we head into Sunday morning. With this
cool westerly flow snow levels will be low Sunday morning.

However, as we proceed farther into the day Sunday, the
atmospheric river moisture flow moves in with 700 flow becoming
more southwesterly brining rising snow levels as we head into the
afternoon. Although the axis of a 110kt jet is well to the north
of the area, the area will be in a favorable right entrance region
of the jet, helping to increase precipitation rates.

Snow levels rise above 3000 feet by Sunday afternoon as the
atmospheric river event is in full swing with the region being in
the fork of a splint jet flow Sunday morning and divergent flow
aloft in the afternoon Sunday. However, with higher rates in the
mount shasta area, snow levels will be low Sunday morning, but
before heavier amounts move in. As we head into Sunday afternoon
the boundary layer to 700 mb winds increase and the precipitation
becomes more orographically influenced and inland valleys will be
more rain shadowed compared to the coastal ranges and inland
mountains. Southerly winds will also increase at the coast and in
the shasta valley.

The core of a 90kt jet points directly at the region Sunday
evening into Monday morning with southwest winds increasing
further, combining with good jet dynamics, upper level divergence,
and the atmospheric river flow to further increase precipitation
rates, especially on the coast and south coastal ranges. Sven

Aviation For the 22 12z tafs... Areas of ifr lifr CIGS vis with
fog freezing fog are expected to develop tonight and early Friday
morning in most west side valleys. Confidence is moderate for the
coastal areas tonight, but we thinkVFR conditions will prevail due
to a drier air mass in place. East of the cascades, some MVFR
cigs low clouds are possible tonight, especially on northeast-facing
terrain due to continued northeast winds.

-smith

Marine Updated 200 am pst Friday 22 february 2019... Quiet
weather will continue today. The next potential hazard to mariners
will be during the early morning hours of Sunday when stronger winds
are expected out of the south. These winds will likely pose a
hazard to smaller crafts on Sunday with possibility for gale force
winds close to the coastline. With the increase in stronger south
winds on Sunday, wind waves and fresh swell out of the south will
probably create problems for smaller crafts Sunday into Monday.

-smith

Mfr watches warnings advisories
Or... Winter storm watch from Saturday evening through Monday morning
for orz029-030.

Frost advisory until 8 am pst this morning for orz021-022.

Winter storm watch from Saturday evening through Monday morning
for orz025.

Winter storm watch from Saturday evening through Monday morning
for orz027-028.

Ca... Winter storm watch from Saturday evening through Monday morning
for caz080.

Pacific coastal waters... Small craft advisory until 4 am pst early this morning for
pzz350-356-370-376.

Frost advisory until 8 am pst this morning for pzz350-356.

Sbn sbn sbn


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CECC1 - 9419750 - Crescent City, CA 1 mi43 min ENE 6 G 8.9 35°F 52°F1020.7 hPa
46027 - ST GEORGES - 8NM West Northwest of Crescent City, CA 12 mi37 min E 5.8 G 9.7 43°F 52°F1021.3 hPa35°F
46244 - Humboldt Bay, North Spit, CA 60 mi37 min 52°F10 ft

Wind History for Crescent City, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Crescent City, Jack McNamara Field Airport, CA3 mi71 minE 510.00 miFair37°F27°F67%1020.9 hPa
Brookings, Brookings Airport, OR22 mi71 minE 310.00 miFair34°F28°F82%1022 hPa

Wind History from CEC (wind in knots)
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Last 24hrN9N10N9N11N12
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NE10NE7N7N10N7N8N3NE5NE5NE4NE6E5NE7NE6E5E4
1 day agoN4CalmN4NE43W5N5NW9N7NW7N6N3NE3NE5NE6NE5NE7NE7N5NE6N5N6N8N8
2 days agoE5SE43N9N11NW12NW12NW12NW10NW9NW5CalmSE4CalmS6CalmN8NW16
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NE6N5

Tide / Current Tables for Crescent City, California
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Crescent City
Click for Map
Fri -- 01:32 AM PST     7.45 feet High Tide
Fri -- 07:02 AM PST     Sunrise
Fri -- 07:32 AM PST     1.05 feet Low Tide
Fri -- 09:08 AM PST     Moonset
Fri -- 01:31 PM PST     7.22 feet High Tide
Fri -- 05:58 PM PST     Sunset
Fri -- 07:49 PM PST     0.12 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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6.47.37.46.55.13.521.21.11.93.34.96.37.17.16.34.93.11.50.40.10.723.8

Tide / Current Tables for Brookings, Chetco Cove, Oregon
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Brookings
Click for Map
Fri -- 01:33 AM PST     7.45 feet High Tide
Fri -- 07:03 AM PST     Sunrise
Fri -- 07:36 AM PST     1.05 feet Low Tide
Fri -- 09:09 AM PST     Moonset
Fri -- 01:32 PM PST     7.22 feet High Tide
Fri -- 05:58 PM PST     Sunset
Fri -- 07:53 PM PST     0.12 feet Low Tide
Fri -- 10:00 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.47.37.46.65.23.52.11.21.11.93.24.86.27.17.16.44.93.21.60.50.10.723.7

Weather Map and Satellite Images
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wmap_P
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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Medford, OR (11,2,3,4)
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Ground Weather Radar Station Medford, OR
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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.