Tuesday, March28, 2017 L-36.com


Marine Weather and Tides
Smith River, CA

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:58AMSunset 7:37PM Tuesday March 28, 2017 6:24 PM PDT (01:24 UTC) Moonrise 6:43AMMoonset 7:37PM Illumination 2% Phase: Waxing Crescent; Moon at 2 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 253 Pm Pdt Tue Mar 28 2017
Synopsis for the southern oregon a waters..Long period west swell will make bar crossings hazardous into Wednesday. Seas will remain high and steep through Wednesday night...largely due to a front that will bring advisory strength southerly winds Tuesday night through Wednesday afternoon north of gold beach. High pressure will build west of the waters Wednesday night through Thursday with moderate north winds. Very long period west swell is expected this weekend.

7 Day Forecast for Marine Location Near Smith River CDP, CA
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location: 41.93, -124.22     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 282100
afdmfr
area forecast discussion
national weather service medford or
200 pm pdt Tue mar 28 2017

Discussion 28/12z nam/gfs/ec in.

The northern hemispheric projection continues to show a wave
number of four around the globe and occasionally hints at a five
over the next several days. This argues for a moderately
progressive pattern. That is what we will get over the next few
days... But it will slow down towards the end of the week. Overall
the pattern looks quite spring like... With weaker storms driven by
low amplitude upper level troughs. The primary storm track will
remain to the north of the area... But there will be some action
down here.

A long wave ridge continues to build into the west coast this
morning. There was some light shower activity over the
umpqua... Western siskiyou county... And the coast this morning,
and very light precipitation is still being reported by several
mountain stations. What precipitation there is should end soon.

The ridge is bringing dry and warmer weather to the area today...

except over the oregon west side where cloud cover is keeping the
temperatures about the same as Monday. The ridge axis will
flatten and break to the east of the area late tonight into early
Wednesday. A short wave riding up the back side of the ridge will
move onshore to the north of the area Wednesday morning. A warm
front will move onshore Tuesday night... Followed by a trailing
cold front Wednesday afternoon. With most of the upper level
support remaining to the north... Both fronts will be relatively
weak this far south. Even so... Most if not all of the medford cwa
will get some light precipitation Tuesday night into Wednesday
night. Snow levels will be way up there... Around 8000 feet. A
stronger short wave with a more southerly trajectory will move
onshore late Wednesday night or early Thursday morning with the
long wave trough. This along with short waves diving down the back
side of the trough will support post-frontal showers lasting into
Thursday evening... But shower intensity and coverage will
diminish through the day Thursday. Snow levels will drop to
3000-4000 feet with the trough... But the heaviest precipitation
will have already fallen by that time.

Cold air will pour into the region behind the system, and this
transition will result in gusty northwest winds across the east
side Thursday afternoon and evening. Temperatures will then be
much colder over the entire region, although not much below
normal for this time of year. Areas of frost are possible in the
west side valleys Friday morning, where some sensitive vegetation
may have started spring growth.

After that... Another long wave ridge will build into the west
coast and this will bring another round of dry and warmer weather
beginning Friday and continuing into Saturday.

Extended discussion... Saturday through Tuesday... The operational
models are in pretty good agreement for most of the forecast period.

The weekend should be mainly dry. The upper ridge will flatten out
some on Saturday as a weakening cold front pushes south. It could
bring a few light showers mainly north of the umpqua divide,
otherwise it will remain dry. An upper trough will swing north of
the area on Sunday. The GFS digs the upper trough more compared to
the ecmwf, but either way moisture appears limited with this. The
gfs also shows another shortwave moving in from the northwest and
tracking northeast of our area Sunday night, but the track of it is
not favorable for precipitation in our area. Of note the ECMWF shows
more ridging and no shortwave in the same time period. Given the
above mentioned, we'll lean towards a dry solution on Monday.

Confidence beyond Monday is low with the GFS showing a wet solution
while the ECMWF is dry, therefore no changes in the forecast were
made. -petrucelli

Aviation 28/18z TAF cycle...VFR conditions are expected for the
next 24 hours. The exception will be at the coast, including north
bend where MVFR CIGS could develop around 14z. There's a chance cigs
could lower prior to then, but confidence is not high enough to
include the lower conditions in the TAF before 14z. DespiteVFR
conditions inland, could not rule out partial mountain obscurations
west of the cascades after 12z. -petrucelli

Marine Updated 200 pm pdt Tuesday 28 march 2017... Long period
west swell will make bar crossings hazardous into Wednesday. Seas
will remain high and steep through Wednesday night... Largely due to
a front which will bring increasing southerly winds and steep seas
tonight into Wednesday morning. Wind speeds are expected to reach
advisory strength for areas north of gold beach. Winds will decrease
Wednesday evening and then veer to the north Wednesday night into
Thursday. Winds may reach advisory strength in the outer waters
south of gold beach late Thursday afternoon into Saturday.

Confidence is low in the forecast beginning Saturday and into early
next week with additional storms possible. Very long period west
swell is expected this weekend. -sven

Mfr watches/warnings/advisories
Or... None.

Ca... None.

Pacific coastal waters... Small craft advisory from 11 pm this
evening to 5 pm pdt Wednesday for pzz350-356-370-376.

Small craft advisory for hazardous seas until 11 am pdt Thursday
for pzz350-356-370-376.

15/10/04


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46027 - ST GEORGES - 8NM West Northwest of Crescent City, CA 10 mi94 min Calm G 1.9 54°F 55°F10 ft1026.4 hPa (-1.5)
CECC1 - 9419750 - Crescent City, CA 13 mi54 min WSW 4.1 G 6 53°F 55°F1026.4 hPa
PORO3 - 9431647 - Port Orford, OR 58 mi54 min SSW 8.9 G 9.9 52°F 55°F1026.8 hPa

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, CA10 mi28 minWNW 95.00 miOvercast with Haze54°F46°F75%1026.6 hPa
Brookings, Brookings Airport, OR11 mi28 minN 010.00 miOvercast53°F46°F77%1028.4 hPa

Wind History from CEC (wind in knots)
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Last 24hrN3NW6N4N3E4NE5N4N3N4NE4CalmE3E3E3E3NE4NW5W4S5W6W6NW6NW5W9
1 day agoW10W7SW4S8S10SW10SW6S3SW7SW4S3W7W45E4E5CalmSW55NW7NW6NW8NW8N6
2 days agoS5S5S5E4S63SE6S12SE13S11SE15SE13S17
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SW11SW6W9

Tide / Current Tables for Brookings, Chetco Cove, Oregon
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Brookings
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Tue -- 12:26 AM PDT     6.98 feet High Tide
Tue -- 06:39 AM PDT     0.25 feet Low Tide
Tue -- 07:06 AM PDT     Sunrise
Tue -- 07:43 AM PDT     Moonrise
Tue -- 12:43 PM PDT     6.87 feet High Tide
Tue -- 06:53 PM PDT     0.26 feet Low Tide
Tue -- 07:38 PM PDT     Sunset
Tue -- 08:37 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.96.864.52.81.40.40.312.44.15.66.66.86.24.93.31.70.60.30.82.13.85.5

Tide / Current Tables for Crescent City, California
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Crescent City
Click for Map
Tue -- 12:25 AM PDT     6.98 feet High Tide
Tue -- 06:35 AM PDT     0.25 feet Low Tide
Tue -- 07:05 AM PDT     Sunrise
Tue -- 07:42 AM PDT     Moonrise
Tue -- 12:42 PM PDT     6.87 feet High Tide
Tue -- 06:49 PM PDT     0.26 feet Low Tide
Tue -- 07:38 PM PDT     Sunset
Tue -- 08:36 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.96.864.52.81.30.40.31.12.54.15.76.66.86.24.83.21.60.60.30.92.23.95.6

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of CentralWestCoast    EDIT
Geos

Wind Forecast for Medford, OR (21,6,7,8)
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Ground Weather Radar Station Medford, OR
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weather_mapweather_map weather_map

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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.