Sunday, September15, 2019 L-36.com


Marine Weather and Tides
Bay City, OR

Version 3.4
NOTICE
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:49AMSunset 7:25PM Sunday September 15, 2019 4:59 PM PDT (23:59 UTC) Moonrise 7:34PMMoonset 7:11AM Illumination 97% Phase: Waning Gibbous; Moon at 17 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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PZZ250 Coastal Waters From Cape Shoalwater Wa To Cascade Head Or Out 10 Nm- 204 Pm Pdt Sun Sep 15 2019
.gale watch in effect from late Monday night through Tuesday afternoon...
Tonight..S wind 10 to 15 kt with gusts to 20 kt, easing to 5 to 10 kt with gusts to 15 kt. Wind waves S 2 ft at 4 seconds. W swell 7 ft at 11 seconds. Rain before dark, then showers and a slight chance of tstms.
Mon..S wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Gusts to 15 kt, becoming 20 kt in the late morning and early afternoon. Wind waves S 2 ft at 4 seconds. W swell 7 ft at 11 seconds. Slight chance of tstms in the morning. Showers.
Mon night..SW wind 10 to 15 kt with gusts to 20 kt, becoming S 15 to 20 kt with gusts to 25 kt after midnight. Wind waves S 4 ft at 5 seconds. W swell 6 ft at 11 seconds. Showers likely.
Tue..S wind 20 to 25 kt with gusts to 35 kt, becoming sw 15 kt with gusts to 20 kt in the afternoon. Combined seas 8 ft with a dominant period of 11 seconds. Showers.
Tue night..SW wind 10 to 15 kt. Gusts to 20 kt, becoming 15 kt after midnight. Wind waves sw 2 ft at 4 seconds. W swell 8 ft at 9 seconds. Showers and a slight chance of tstms.
Wed..N wind 5 to 10 kt. Wind waves 2 ft. W swell 9 ft. Showers and a slight chance of tstms.
Wed night..N wind 5 to 10 kt with gusts to 15 kt. Wind waves 2 ft. W swell 9 ft.
Thu..NW wind 5 to 10 kt. Wind waves 2 ft. NW swell 7 ft.
Fri..NW wind 5 to 10 kt. Wind waves 2 ft. NW swell 5 ft.
PZZ200 204 Pm Pdt Sun Sep 15 2019
Synopsis for the southern washington and northern oregon coast.. Cool, unsettled weather will lead to a chance of Thunderstorms Sunday evening into Monday. A strong front system is expected to move across the coastal waters Monday night and Tuesday.


7 Day Forecast for Marine Location Near Bay City, OR
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location: 45.52, -123.92     debug


Area Discussion for - Portland, OR
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Fxus66 kpqr 152124 aaa
afdpqr
area forecast discussion
national weather service portland or
225 pm pdt Sun sep 15 2019

Synopsis Wet and cooler weather is expected to continue through
Wednesday as a couple of moisture laden fronts move across the
region. There is a slight chance for thunderstorms with the
post-frontal showers Sunday evening, Monday and Wednesday. The shower
activity will wane near the end of the week with a day or two of
drier weather. Yet another system will move into the region early
next week.

Short term Tonight through Wednesday... An early season cold front
will continue to move through the region this afternoon with steady
rain falling over the region. Rainfall amounts over the past 12
hours ranged from around 0.75 to about 1.15 inches along the
coast coast range, 0.3 to 0.75 inch in the valley and around 0.75
inches in the cascades and foothills. Rain will continue for the
next several hours, especially in the cascades until the front pushes
east of the area.

The attendant cool, upper level trough will move into the region this
evening and remain over the area through Monday bringing additional
showers. The cold air aloft associated with the upper level trough
will help destabilize the atmosphere bringing a chance of
thunderstorms over the coastal waters and coast later this evening
into the overnight hours. There will also be a chance of
thunderstorms over most of the interior Monday afternoon and evening
as the upper level trough and instability transits the area. Snow
levels will also lower to about 6500 feet.

Another strong and moist front will bring another round of moderate
to heavy rain on Tuesday followed by another cool upper trough
Tuesday night and Wednesday. The upper level jet dynamics support
widespread heavy rain, and expect an additional 0.75 to 1.5 inches of
rain Tuesday morning through Tuesday evening. Winds will be breezy
with the front passage on Tuesday with gusts of 40 mph possible along
the coast and 30 mph along the valley.

Another cool upper level trough follows the front for continued
showers and possibly isolated thunderstorms Tuesday night and
Wednesday. Tw

Long term Wednesday night through Sunday... The shower activity
will slowly wane Thursday as the upper level trough departs the area
and a weak upper level ridge transits the region. Cannot rule out
that some stray showers will continue Thursday into Friday as weak
disturbances move through the upper level flow. There remains quite
a bit of uncertainty in the weather towards the end of the week and
into next weekend. At this juncture, looks like late Friday and
Saturday could be fairly dry, then another upper level trough
approaches the region on Sunday bringing a chance of showers. Tw

Aviation Rain turning to showers from the coast range east
this afternoon with mix of MVFR andVFR conditions in showery
area. East of the coast range, -ra and ra continue with MVFR and
ifr conditions. Expect these areas to turn to showers late this
afternoon and evening, with conditions improving some to a mix of
vfr and MVFR. An unstable air mass may bring TS to coastal sites
Sunday night and inland after 18z Monday.

Kpdx and approaches... Expect a continuing mix of ifr and MVFR
conditions with rain through 23z. Then rain turns to showers
with a mix of MVFR andVFR conditions likely through the
overnight hours. Small chance of TS after 18z Monday.

Marine A broad and weak surface low pressure will drop
southward across the waters through Monday. This should bring
relatively benign winds, though cold air aloft will probably
result in some squally showers and thunderstorms tonight and
Monday. Expect seas to stay in the 7 to 9 ft range through Monday
evening.

Forecast models continue to trend stronger with the next front,
which will impact the coastal waters later Monday night and
Tuesday. Gales look like a good possibility, so have issued a
gale watch for all zones starting 12z Tuesday. It looks like the
strongest winds would be brief, lasting about 6 hours during the
day Tuesday. Seas will be steep and wind-driven with the front,
peaking at 10-11 ft.

Winds settle Tuesday night into Wednesday with broad low pressure
over the waters, but seas stay in the 8 to 10 ft range with nw
swell. High pressure returns to the waters late in the week.

Bowen

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Gale watch from late Monday night through Tuesday afternoon for
coastal waters from CAPE shoalwater wa to florence or out
60 nm.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TLBO3 - 9437540 - Garibaldi, Tillamook Bay, OR 2 mi60 min 62°F1008.5 hPa (+0.0)
46096 46 mi80 min 64°F
ASTO3 - 9439040 - Astoria, OR 48 mi60 min SW 2.9 G 7 64°F 68°F1007.1 hPa (+0.0)
46243 - Clatsop Spit, OR - 162 49 mi60 min 63°F6 ft

Wind History for Garibaldi, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tillamook, Tillamook Airport, OR9 mi2.1 hrsN 010.00 miLight Rain61°F57°F88%1009.1 hPa

Link to 5 minute data for KTMK

Wind History from TMK (wind in knots)
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Last 24hrSW9SW7SW3SE4SE6SE3SE3S6S6S7S8S6CalmS11
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1 day agoSW4NW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW5S5W4SW6SW11SW9
2 days agoW7SW9S4E3CalmCalmSE3CalmCalmCalmCalm--CalmCalmCalmCalmCalmCalmCalmNW5W3W5W7W5

Tide / Current Tables for Miami Cove, Tillamook Bay, Oregon
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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 Tillamook, Hoquarten Slough, Oregon
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Tillamook
Click for Map
Sun -- 02:39 AM PDT     6.17 feet High Tide
Sun -- 06:53 AM PDT     Sunrise
Sun -- 08:10 AM PDT     Moonset
Sun -- 10:20 AM PDT     0.45 feet Low Tide
Sun -- 03:12 PM PDT     6.03 feet High Tide
Sun -- 07:26 PM PDT     Sunset
Sun -- 08:33 PM PDT     Moonrise
Sun -- 10:37 PM PDT     0.83 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.94.75.96.15.853.92.71.70.90.50.71.93.75.265.95.34.43.32.31.40.90.9

Weather Map
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wmap_P
GEOS 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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Wind Forecast for Portland, OR (19,4,5,8)
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Ground Weather Radar Station Portland, 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.