Sunday, September15, 2019 L-36.com


Marine Weather and Tides
Bay Center, WA

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 6:51AMSunset 7:29PM Sunday September 15, 2019 5:55 PM PDT (00:55 UTC) Moonrise 7:34PMMoonset 7:11AM Illumination 96% 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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PZZ110 Grays harbor bar- 300 pm pdt Sun sep 15 2019 combined seas 7 to 9 ft. Bar conditions moderate. Maximum ebb currents will occur around and 615 pm this evening and 630 am Monday.
PZZ100 300 Pm Pdt Sun Sep 15 2019
Synopsis for the northern and central washington coastal and inland waters..Weak onshore flow will continue Sunday and Monday, with wind generally less than 20 kt. A strong weather system will arrive Tuesday, with perhaps the first southerly gales of the season. Lighter winds will follow mid week.


7 Day Forecast for Marine Location Near Bay Center, WA
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location: 46.63, -123.95     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
TOKW1 - 9440910 - Toke Point, WA 5 mi56 min SSW 8 G 12 63°F 65°F1007.2 hPa (+0.0)
WPTW1 - 9441102 - Westport, WA 21 mi80 min SSW 8 G 12 63°F 62°F1006.8 hPa
46211 - Grays Harbor, WA (036) 22 mi56 min 62°F6 ft
46243 - Clatsop Spit, OR - 162 30 mi56 min 64°F6 ft
ASTO3 - 9439040 - Astoria, OR 31 mi56 min SW 8 G 9.9 64°F 68°F1007 hPa (-0.3)
46096 33 mi136 min 64°F
46029 - COL RIVER BAR - 20NM West of Columbia River Mouth 44 mi66 min S 7.8 G 7.8 63°F 62°F7 ft1007.2 hPa (+0.0)56°F

Wind History for Toke Point, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA24 mi2 hrsSW 119.00 miMostly Cloudy64°F57°F81%1007.5 hPa

Link to 5 minute data for KHQM

Wind History from HQM (wind in knots)
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Last 24hrSW14S8S12S10S13S14SW10SW15SW9SW9SW10S7SW10S7SE6S9SW13S12SW11SW11SW11SW10SW11SW10
1 day agoW9SW9W8W7SW5S6S5SW4S5S6SW4S7S7S7S7S6SW7SW6SW11S12SW14SW13SW10S13
2 days agoS17
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Tide / Current Tables for Bay Center, Palix River, Willapa Bay, Washington
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Bay Center
Click for Map
Sun -- 02:25 AM PDT     8.30 feet High Tide
Sun -- 06:53 AM PDT     Sunrise
Sun -- 08:11 AM PDT     Moonset
Sun -- 09:00 AM PDT     0.25 feet Low Tide
Sun -- 02:58 PM PDT     8.35 feet High Tide
Sun -- 07:27 PM PDT     Sunset
Sun -- 08:33 PM PDT     Moonrise
Sun -- 09:22 PM PDT     0.73 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.77.38.28.27.25.742.30.90.312.84.86.57.98.37.96.753.41.80.81.12.6

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Sun -- 02:32 AM PDT     -0.01 knots Slack
Sun -- 05:55 AM PDT     -3.08 knots Max Ebb
Sun -- 06:54 AM PDT     Sunrise
Sun -- 08:11 AM PDT     Moonset
Sun -- 08:58 AM PDT     0.01 knots Slack
Sun -- 11:56 AM PDT     2.20 knots Max Flood
Sun -- 03:02 PM PDT     -0.00 knots Slack
Sun -- 06:17 PM PDT     -2.90 knots Max Ebb
Sun -- 07:28 PM PDT     Sunset
Sun -- 08:34 PM PDT     Moonrise
Sun -- 09:17 PM PDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.91.60.7-0.7-2-2.8-3.1-2.6-1.401.322.221.30.1-1.4-2.4-2.9-2.7-1.8-0.40.91.7

Weather Map
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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 (20,4,5,8)
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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.