Wednesday, March22, 2017 L-36.com


Marine Weather and Tides
Bertsch-Oceanview, 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 7:12AMSunset 7:33PM Wednesday March 22, 2017 5:28 PM PDT (00:28 UTC) Moonrise 2:58AMMoonset 1:02PM Illumination 22% Phase: Waning Crescent; Moon at 25 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 Wed Mar 22 2017
Synopsis for the southern oregon a waters.. Steep seas will persist this evening, but will subside overnight into early Thursday morning. A strong front is likely to bring widespread gales and very steep seas Thursday afternoon into Friday morning. Winds will decrease Friday night into Saturday...but seas should remain steep.

7 Day Forecast for Marine Location Near Bertsch-Oceanview, CA
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location: 41.75, -124.18     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 222228
afdmfr
area forecast discussion
national weather service medford or
328 pm pdt Wed mar 22 2017

Short term Tonight through Saturday night... Radar indicates
that there are scattered light showers around the forecast area.

These showers will continue into tonight but dissipate tonight for
our short break before the next system comes in. The next front
is expected to arrive Thursday and will bring a myriad of
different hazards to southern oregon and northern california. The
first will be strong, gusty winds. Winds could be warning level
near the coast, and are expected to be advisory level in the
shasta valley, summer lake valley, and in the warner mountains
near the cedar pass. Although the models have shown somewhat
decent run to run consistency with the inland winds, the coastal
winds have really taken an uptick since yesterday. Have issued a
high wind watch (npwmfr) for the southern oregon coast from cape
blanco south to brookings including highway 101.

The next changes made to the forecast regarding hazards is the
rainfall amounts and timing. Have shortened the time frame of this
front to specifically bring the heaviest rain between Thursday
evening and Friday morning. River levels in the klamath basin are
still holding steady, and the incoming precipitation is not
likely to create large changes at this point. Although we will
still need to monitor the klamath river basin, confidence is not
as high for flooding with the next system, and have allowed the
hydrologic outlook to expire.

This system will also bring the possibility for snows in the
higher elevations. Have issued winter weather advisories (wswmfr)
for elevations above 5000 feet for the marble mountains near
sawyers bar road, for the mt. Shasta ski park, and for the
northern portion of the southern oregon cascades including crater
lake. Snows will be heavy and wet, and will cause travel
difficulties along these areas, including highway 97 near chemult.

Highway 97 near chemult will see less snow than the rest of the
cascades, but is on the low end of advisory criteria. Have decided
to include this area since it has been a bit warmer as of late.

Widespread precipitation will become more showery in the nature
come Saturday as things die down. Another ridge of high pressure
will build in briefly on Saturday afternoon giving another break
before the next system arrives in the long term -schaaf

Long term Sun march 26th through Wed night march 29th... Gefs
integrated vapor transport products and operational runs of the gfs
and ECMWF continue to indicate that the cooler and wetter than
normal pattern is likely to generally persist through this long term
period. Frontal systems and related non-showery precipitation during
this time period are likely to be focused on Sunday, march 26th and
march 29th. Outside of those two days we do expect shower activity
over most of the forecast area.

The frontal system on Sunday will reach the coast and mount shasta
area during the morning with snow levels beginning around 5000 feet.

This will keep travel impacts in the higher mountainous areas, but
will be a concern for those traveling to winter recreation areas and
crater lake national park. We'll probably see another round of gales
in the coastal waters and an upward surge in winds along the coast,
in the rogue and shasta valleys, and across the higher terrain
probably warranting some advisories. The surface low with this
frontal system will swing northeastward toward the washington coast,
so southwest and south flow favored areas such as the coast and
coastal mountains and western and southern siskiyou county will see a
healthy round of precipitation. Sunday into Monday those areas are
likely to see an inch or more of water. Showers on Monday ride in on
a west to even a northwest flow and snow levels will likely be near
4000 feet on Monday. Showers look to be more appreciable in the
morning than the afternoon in terms of coverage and intensity.

Models differ on details regarding a weaker shortwave trough on
northwest flow Tuesday. It does appear some showers will occur on
the coast and in the umpqua, but some of the guidance washes this
impulse out such that Tuesday ends up mostly dry.

For Wednesday both the ECMWF and the GFS dive in a frontal system
under northwest flow. While this system appears as if it will have
some cold air behind it, snow levels surge up to 6000 to 7000 feet
on the front side of it.

There has been a clear trend over the past 3-4 days in both the
operational runs of the GFS and ECMWF as well as the cfsv2 toward
high pressure ridging building into the pacific northwest Thursday
into next weekend. Confidence in this solution has grown from low to
moderate. CPC is also leaning this way in their official week two
forecast, so prepare the sunglasses, sunscreen, spring skis, allergy
medication, grill, and lawn mowers, as you deem necessary. Btl

Aviation 22/18z TAF cycle... Today will be an unstable and
showery day. MVFR will be possible in showers throughout the day,
but, generally,VFR will prevail. Terrain will be partially
obscured throughout the day. A slight chance of thunderstorms
exists mainly in modoc and southern lake counties later this
afternoon and early this evening. Showers diminish this evening,
and with some increasing stability, expect the chance for MVFR/ifr
ceilings to develop in some valley locations tonight. Incoming
mid and high clouds and increasing winds Thursday morning are
likely to disrupt and break up these lower ceilings mid-late
morning. Btl/sk

Marine Updated 300 pm pdt Wednesday 22 march 2017... Steep seas
due to short period fresh swell will continue this evening,
mostly beyond 2 nm from shore. Seas should ease to 6 to 8 feet
overnight into early Thursday morning, but then a strong front
offshore will move toward the coastal waters late Thursday
morning. Widespread gales can be expected late Thursday morning
through Thursday evening, especially beyond 10 nm from shore, but
also closer to shore near CAPE blanco. A few gusts to storm force
are possible. Seas will become steep to very steep during this time
period and persist through Thursday night. Winds and seas will
decrease Friday into Saturday... But seas likely remain quite
steep. Another strong front is due to arrive on Sunday. -spilde

Mfr watches/warnings/advisories
Or... Winter weather advisory from 11 pm Thursday to 11 am pdt Friday
for orz030.

Wind advisory from 2 am to 5 pm pdt Friday for orz031.

High wind watch from Thursday afternoon through late Thursday
night for orz021-022.

Winter weather advisory from 11 pm Thursday to 11 am pdt Friday
for orz027.

Ca... Winter weather advisory from 11 pm Thursday to 11 am pdt Friday
for caz082-083.

Winter weather advisory from 11 pm Thursday to 11 am pdt Friday
for caz080.

Wind advisory from 2 am to 5 pm pdt Friday for caz081.

Wind advisory from 2 am to 5 pm pdt Friday for caz085.

Pacific coastal waters... Small craft advisory from 11 am Thursday to 5 am pdt Friday for
pzz350-356.

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

High wind watch from Thursday afternoon through late Thursday
night for pzz356.

Gale warning from 1 pm to 11 pm pdt Thursday for pzz350-356.

Small craft advisory for hazardous seas until 11 pm pdt this
evening for pzz350-356-370-376.

Small craft advisory from 9 am Thursday to 5 am pdt Friday for
pzz370.

Gale warning from 11 am to 11 pm pdt Thursday for pzz370-376.

Small craft advisory from 9 am to 1 pm pdt Thursday for pzz376.

Bms/btl/mas


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CECC1 - 9419750 - Crescent City, CA 0 mi41 min WSW 7 G 8 50°F 55°F1019.8 hPa
46027 - ST GEORGES - 8NM West Northwest of Crescent City, CA 13 mi39 min W 5.8 G 7.8 52°F 55°F9 ft1019.5 hPa (+0.4)
46244 - Humboldt Bay, North Spit, CA 60 mi38 min 54°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, CA4 mi33 minNW 410.00 miOvercast53°F46°F77%1020.1 hPa
Brookings, Brookings Airport, OR23 mi33 minW 610.00 miFair51°F42°F71%1021.4 hPa

Wind History from CEC (wind in knots)
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Last 24hrS28
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S19S15SW9SW10SW7S10SW10SW9SW8S9SW8SW6SW7S8S9SW8NW7NW6NW66NW4
1 day agoS14
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2 days agoNW3W3S5S3SE4E4NE3CalmSE3NE4NE3CalmS3S7S6SE5S6S9SE15SE12SE7CalmSE5S18
G25

Tide / Current Tables for Crescent City, California
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Crescent City
Click for Map
Wed -- 01:37 AM PDT     3.44 feet Low Tide
Wed -- 03:57 AM PDT     Moonrise
Wed -- 07:16 AM PDT     Sunrise
Wed -- 07:29 AM PDT     5.69 feet High Tide
Wed -- 02:02 PM PDT     Moonset
Wed -- 02:44 PM PDT     0.85 feet Low Tide
Wed -- 07:31 PM PDT     Sunset
Wed -- 09:34 PM PDT     5.03 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.83.53.53.74.24.85.35.65.65.24.53.52.41.510.91.21.92.93.84.6554.7

Tide / Current Tables for Brookings, Chetco Cove, Oregon
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Brookings
Click for Map
Wed -- 01:41 AM PDT     3.44 feet Low Tide
Wed -- 03:59 AM PDT     Moonrise
Wed -- 07:16 AM PDT     Sunrise
Wed -- 07:30 AM PDT     5.69 feet High Tide
Wed -- 02:01 PM PDT     Moonset
Wed -- 02:48 PM PDT     0.85 feet Low Tide
Wed -- 07:32 PM PDT     Sunset
Wed -- 09:35 PM PDT     5.03 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.83.53.53.74.24.75.35.65.65.34.53.52.51.610.91.21.92.83.84.5554.7

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 (20,4,5,8)
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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.