Tuesday, May23, 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 5:41AMSunset 8:38PM Tuesday May 23, 2017 1:56 AM PDT (08:56 UTC) Moonrise 3:43AMMoonset 5:12PM Illumination 6% Phase: Waning Crescent; Moon at 27 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 810 Pm Pdt Mon May 22 2017
Synopsis for the southern oregon coastal waters..The thermal trough pattern will strengthen with steep seas becoming very steep and gales developing south of cape blanco on Tuesday morning. Fog will continue to be an intermittent concern, mainly beyond a few miles from shore. Gales are expected to subside Thursday morning as the thermal trough pattern weakens. But a steep fresh swell will likely persist into Thursday night.

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 230413
afdmfr
area forecast discussion
national weather service medford or
913 pm pdt Mon may 22 2017

Discussion An update to the forecast is not necessary.

The weather on Tuesday will resemble that of today in many
respects. Low clouds and patchy morning fog are expected along
much of the coast into the coquille valley. Otherwise, there will
be a few high clouds in advance of an upper trough. High
temperatures were near record levels today and will be again on
Tuesday. Afternoon winds on Tuesday will once again be weaker than
normal.

The upper trough will pass by to the north on Wednesday with
high temperatures returning to near normal... Generally about 15
degrees cooler inland than the day before. The very recently
arrived 00z GFS continues to indicate weak instability over the
southern portions of siskiyou and modoc counties Wednesday
afternoon and evening. But, the atmosphere will be quite dry above
about 650 mb. Thus, cumulus buildups are more likely than
thunderstorms but will maintain the mention of a slight chance.

Available moisture will be diminished Thursday afternoon and
Friday afternoon with weak instability shifting southeast out of
our area.

A weak disturbance arriving from the southwest will usher in a few
days of weak instability Saturday into next week with the best
chance of afternoon and evening thunderstorms currently indicated
for the siskiyou and cascade mountains.

Aviation 23/00z TAF cycle... Low stratus and patchy fog is
expected to spread along the coast north of brookings and into the
coquille valley after 05z this evening then persist through
Tuesday morning. Coastal stratus will thicken again Tuesday
evening. Otherwise,VFR with mostly clear skies is expected across
the area through Tuesday evening. -dw

Marine Updated 800 pm pdt Monday, 22 may 2017... The thermal
trough pattern will strengthen with steep seas becoming very steep
and gales developing south of CAPE blanco on Tuesday morning.

Fog will continue to be an intermittent concern... Mainly beyond a
few miles from shore during the night and morning hours. Gales
are expected to subside Thursday morning as the thermal trough
pattern weakens. But a steep fresh swell will then likely persist
into Thursday night. -sven/dw

Prev discussion /issued 256 pm pdt Mon may 22 2017/
short term... Today through Thursday... The ridge aloft has
strengthened and progressed eastward slightly. Temperatures in
many valleys west of the cascades have already reached the
90s... Including medford... Merlin... Somes bar... And dunsmuir.

Temperatures will continue to warm over the next few hours.

Offshore winds along the coast will persist until late
tonight... Then expect patchy fog in onshore flow along the coast
early tomorrow morning. Mostly clear skies will persist in areas
east of the coastal range tonight. Tomorrow will start out similar
to today... With patchy fog and low stratus along the coast
clearing in offshore flow mid to late morning... And highs across
the area again 10 to 20 degrees above normal with mostly clear
skies.

The ridge aloft will weaken Tuesday night into Wednesday morning as
a low passes over british columbia and northern washington. This
will bring onshore flow Wednesday... And highs Wednesday afternoon
should be 5 to 10 degrees above normal. As that low moves inland
over the northern rockies, it will spin a few waves over the
pacnw, bringing increased cloud cover and gusty winds over the
east side Wednesday afternoon. Cool low level air should prevent
most thunderstorm development... However could not completely rule
out thunderstorms in modoc county and eastern siskiyou county.

Temperatures Thursday will be several degrees cooler than
Wednesday, as pressure aloft drops and onshore flow continues.

-msc
long term... Friday through Monday... The ridge will regain control
of the area by Friday night, and this will produce another period of
warm and dry weather through the holiday weekend. There will be a
slight chance for daily afternoon thunderstorms, mainly along the
cascades and in the mountains of northern california through Monday,
but these will depend greatly on the presence of shortwaves within
the flow aloft. Any shortwave will be extremely hard to predict at
this time range, but the models suggest there could be some during
the weekend. With this in mind, have changed the timing and
placement of convection to more general terms, and only in those
locations where we typically see development. For most areas,
memorial day and the weekend should be warm and mostly clear with no
significant threat for rain. -bpn
aviation... 22/18z TAF cycle...VFR conditions across the area
will continue for the duration of the TAF period. A return of ifr
conditions is possible this evening and overnight near koth, but
is not expected. -bpn
marine... .Updated 210 pm pdt Monday, 22 may 2017... The thermal
trough pattern will strengthen today with gales expected to begin
south of CAPE blanco Tuesday afternoon. Gales are expected to begin
for portions of the area north of the CAPE Tuesday night into
Wednesday. Fog will continue to be an intermittent concern... Mainly
beyond a few miles from shore. Gales are currently expected to
subside Thursday morning as the thermal trough pattern weakens.

Sven

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

Ca... None.

Pacific coastal waters... Small craft advisory until 11 am pdt Thursday for
pzz350-356-370.

Gale warning from 5 am Tuesday to 11 am pdt Thursday for
pzz356-376.

Hazardous seas warning from 5 am Tuesday to 11 am pdt Thursday
for pzz350-356-370-376.

Small craft advisory until 5 am pdt Tuesday for pzz376.

Dw/msc/sbn


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 mi67 min NW 5.8 G 7.8 52°F 50°F5 ft1014.7 hPa (+0.3)
CECC1 - 9419750 - Crescent City, CA 13 mi39 min N 2.9 G 2.9 55°F 59°F1014.7 hPa
PORO3 - 9431647 - Port Orford, OR 58 mi39 min NW 18 G 23 56°F 46°F1014.5 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 mi61 minN 08.00 miFair54°F52°F93%1014.9 hPa
Brookings, Brookings Airport, OR11 mi61 minN 010.00 miFair57°F54°F90%1016.3 hPa

Wind History from CEC (wind in knots)
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Last 24hrCalmN5N4NE4S4CalmS3CalmNW4S6SW6S5S7SW8NW6SW4S6NW3W3S5S5SE3CalmCalm
1 day agoSE3CalmN3CalmCalmCalmCalmNW3CalmSW5S6S5S9S10S10S11S11S11S11S10SE8SE6NW3N4
2 days agoW3CalmNW3CalmNE4CalmNW3CalmNW7N9N13
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Tide / Current Tables for Brookings, Chetco Cove, Oregon
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Brookings
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Tue -- 04:31 AM PDT     -0.22 feet Low Tide
Tue -- 04:42 AM PDT     Moonrise
Tue -- 05:49 AM PDT     Sunrise
Tue -- 10:40 AM PDT     5.55 feet High Tide
Tue -- 04:18 PM PDT     1.23 feet Low Tide
Tue -- 06:12 PM PDT     Moonset
Tue -- 08:39 PM PDT     Sunset
Tue -- 10:28 PM PDT     7.46 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.33.720.6-0.1-0.10.61.83.34.65.45.5542.81.81.31.42.33.65.26.67.47.3

Tide / Current Tables for Crescent City, California
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Crescent City
Click for Map
Tue -- 04:27 AM PDT     -0.22 feet Low Tide
Tue -- 04:42 AM PDT     Moonrise
Tue -- 05:49 AM PDT     Sunrise
Tue -- 10:39 AM PDT     5.55 feet High Tide
Tue -- 04:14 PM PDT     1.23 feet Low Tide
Tue -- 06:11 PM PDT     Moonset
Tue -- 08:37 PM PDT     Sunset
Tue -- 10:27 PM PDT     7.46 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.23.61.90.6-0.1-0.10.61.93.44.65.45.553.92.71.71.31.42.33.75.36.67.47.3

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 (4,6,7,8)
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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.