Wednesday, March20, 2019 L-36.com


Marine Weather and Tides
Packwood, WA

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 7:03AMSunset 7:15PM Wednesday March 20, 2019 2:51 AM PDT (09:51 UTC) Moonrise 6:06PMMoonset 6:24AM Illumination 100% Phase: Full Moon; Moon at 14 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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PZZ135 Puget Sound And Hood Canal- 247 Am Pdt Wed Mar 20 2019
Today..N wind 5 to 15 kt. Wind waves 2 ft or less.
Tonight..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
Thu..SW wind to 10 kt. Wind waves 1 ft or less.
Thu night..NW wind to 10 kt becoming S after midnight. Wind waves 1 ft or less.
Fri..S wind to 10 kt. Wind waves 1 ft or less.
Fri night..SW wind 20 to 30 kt easing to 10 to 20 kt after midnight. Wind waves 3 to 5 ft subsiding to 1 to 3 ft.
Sat..S wind to 10 kt becoming light. Wind waves 1 ft or less.
Sun..NE wind to 10 kt becoming n. Wind waves 1 ft or less.
PZZ100 247 Am Pdt Wed Mar 20 2019
Synopsis for the northern and central washington coastal and inland waters..Offshore flow will continue today with onshore flow developing on Thursday. A weak front will reach area waters on Friday with significant westerly swell Friday night and Saturday.


7 Day Forecast for Marine Location Near Packwood, WA
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location: 46.39, -121.57     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 200410
afdpqr
area forecast discussion
national weather service portland or
909 pm pdt Tue mar 19 2019

Synopsis Low pressure passing by to the south will bring a small
chance of showers to the southern part of the forecast area wed.

Otherwise, conditions will generally remain dry, with above normal
temperatures and breezy offshore flow. Will see a better chance for
rain on Fri or Sat as a pacific frontal system moves onshore, with
additional chances for rain early next week.

Short term Tonight through Friday... Visible satellite imagery
shows some high clouds moving across the forecast area this afternoon
as an area of low pressure approaches the region from the south. This
may help to keep temps slightly cooler than yesterday for some areas,
but they will still be unseasonably warm. As of 2 pm salem and
astoria have already broken their daily record high, with several
stations within a degree or two of the record.

Expect conditions to gradually change tonight and Wed as our upper
level ridge moves out of the area and low pressure moves into
southern oregon. Guidance continues to show some wraparound moisture
impacting portions of the forecast area wed, with a slight chance of
showers possible generally south of salem. Otherwise, Wed should
remain mostly dry, with breezy offshore flow weakening through the
day. Temps will also be slightly cooler Wed as mid and high clouds
increase due our proximity to the area of low pressure.

Cooler temps will persist into Thu as onshore flow increases, with
some post-frontal showers lingering around through the day. Expect
conditions to generally remain dry, but there are enough ensemble
members showing slight chance pops over the area that we can't remove
it from the forecast. Suspect this moisture will generally keep the
area cloudy rather than wet. Guidance then shows another frontal
system moving across the region on fri. There is still some
uncertainty with the timing and strength of this front, but the
general trend is to bring the return of widespread wetter weather on
fri.

Long term Friday night through Tuesday... Guidance continues to
show a modest frontal system moving onshore late fri, with post-
frontal showers lingering into sat. Snow levels will likely lower to
around pass level over the weekend as the upper level trough moves
over the region. A passing shortwave ridge may allow conditions to
briefly dry out on sun, but another series of frontal systems look to
move across the pac NW early next week as the pattern starts to
become more active.

Aviation Dry offshore flow will allow widespreadVFR
conditions to prevail through most of the region over the next 24
hrs. One caveat is that southerly winds have begun to develop
along the central oregon coast, bringing ifr stratus and fog from
konp southward this evening. The ifr is looking like it may
continue through the night at konp, although it is also possible
that it will temporarily pull just off the coast for a while
overnight if any light offshore winds are able to develop. The
southerly winds will work up the north oregon and south
washington coast during the day Wednesday, spreading the ifr cigs
northward as well. Expect ifr conditions to reach kast sometime
during the late afternoon or evening hours.

Kpdx and approaches... Minimal impacts the next 24 hours as
offshore flow and dry low levels will allowVFR conditions to
prevail. Gusty winds will continue, especially east of the
terminal out toward the gorge. Pyle

Marine Southerly winds have begun to develop over the central
oregon waters this evening, while offshore winds continue north
of CAPE lookout. The southerly winds should spread north through
the north oregon and south washington coastal waters on
Wednesday. The next organized front is expected to arrive on fri.

This system should be a round of solid small craft advisory
southerly winds, with the potential for a brief period of low-end
gales. Another system is possible late in the weekend or early
next week.

Seas remain 6 to 8 ft through thu, mainly as a result of two
swell trains. First is a westerly swell of 6 to 7 ft, with other
coming from the southwest at 4 to 6 ft. Seas will increase a bit
more later in the week, pushing above 10 ft later Fri afternoon,
and holding at 12 to 14 ft Fri night through Sat night. Seas
subside on Sunday, but still near 10 ft. Pyle

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... None.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCNW1 - 9446484 - Tacoma, WA 75 mi40 min 51°F 49°F1013.6 hPa
LOPW1 - 9440422 - Longview, WA 76 mi40 min 43°F1012.7 hPa
TCMW1 - 9446482 - Tacoma Met, WA 76 mi40 min NNE 1 G 1.9

Wind History for Longview, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Wind History from CZK (wind in knots)
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Last 24hr24------------------------SW12
G20
SW6W6----SW65SW5
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1 day ago53------------------------322SW632SE2E21S2
2 days ago----------------------------1214334434

Tide / Current Tables for Kalama, Washington - IGNORE HEIGHTS
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Saint Helens, Columbia River, Oregon
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map and Satellite Images
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wmap_P
GOES Local Image of PacificNorthwest    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 Portland, OR (5,6,7,8)
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Ground Weather Radar Station Portland, 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.