Sunday, January21, 2018 L-36.com


Marine Weather and Tides
Hoquiam, WA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 7:49AMSunset 5:04PM Sunday January 21, 2018 4:53 AM PST (12:53 UTC) Moonrise 10:18AMMoonset 9:59PM Illumination 23% Phase: Waxing Crescent; Moon at 5 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- 228 Am Pst Sun Jan 21 2018
.small craft advisory for rough bar in effect through Monday evening... Combined seas 15 to 17 ft subsiding to 12 to 14 ft tonight. Bar conditions severe. Breakers will cover the bar at times this morning. Maximum ebb currents will occur around 700 am and 700 pm pst today.
PZZ100 228 Am Pst Sun Jan 21 2018
Synopsis for the northern and central washington coastal and inland waters..A strong cold front will move east across the waters this morning. The front is being preceded by storm force winds over the coastal waters and at the east entrance to the strait of juan de fuca. The remaining waters will see gales ahead of the front. Weaker southerly onshore flow will then follow from this afternoon through Monday morning. A warm front on Tuesday will give strong east to southeast gradients with gales likely over the coastal waters. Beyond Tuesday, a series of fronts will continue to bring active weather to the waters through the week ahead.

7 Day Forecast for Marine Location Near Hoquiam, WA
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location: 46.98, -123.95     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 211106
afdsew
area forecast discussion
national weather service seattle wa
300 am pst Sun jan 21 2018

Synopsis A strong front will move through the area this morning.

The system will produce strong winds, rain, and mountain snow. After
a lull on Monday, another front will cross western washington
Tuesday night and Wednesday. A cool showery upper trough will reach
the area Thursday.

Short term A strong front will reach the coast around 15z and
weaken as it moves inland during the day. There have been isolated
high wind reports in the north interior but none on the coast yet.

High wind warnings remain in effect on the coast until 10 am and
over the north interior until noon.

There has also been heavy snow at the mt. Baker ski area. After
getting 17 inches yesterday, another 13 inches has fallen so far
tonight. Snow will continue today into tonight, first as the front
moves in, and later in a showery pattern in westerly flow aloft. A
winter storm warning remains in effect for the northern cascades and
olympics, with a winter weather advisory in the rest of the cascades.

Though it is hardly warm now, the air mass will become cooler after
the front passes today. The snow level is likely to fall below 2000
feet later today and tonight. Models indicate enough instability for
a chance of thunderstorms near the coast.

Showers will taper Monday. Monday evening is likely to be dry in
most places. The next system will reach the coast Tuesday morning
and spread inland during the day. There will be more rain, wind, and
mountain snow. Burke
strong winds over the coastal waters will build waves on the
coastal beaches to around 20 feet early this morning through early
this afternoon. A high surf advisory remains in effect for the
pacific coastal beach locations in western washington. Waves will
not be as energetic or as large as the ones that hit the coast on
Thursday. However, the beaches will be dangerous and local beach
erosion is expected.

The combination of a high astronomical tide, tides running about
nearly 1 foot above predicted values, and waves from a strong
southeast wind will result in some minor coastal flooding around
the time of high tide this morning in the admiralty inlet area.

Southeast facing shorelines will be most vulnerable to the minor
coastal flooding, including port townsend. A coastal flood
advisory is in effect for the admiralty inlet area from 6 am pst
until 10 am pst this morning. Albrecht

Long term More impulses in the flow will keep rain in the
forecast Wednesday and Thursday. A cold upper trough will move over
the area Thursday night, lowering snow levels to below 1000 feet.

Another system will approach the area Friday and next weekend looks
pretty wet. Burke

Hydrology The skokomish river in mason county is likely to rise
above flood stage around midday today with minor flooding expected.

Heavy rain, possibly 2-3 inches, is expected in the lower elevations
of the olympics by this morning. Otherwise river flooding is not
expected for the next 7 days.

Rainfall through Sunday will probably push the USGS landslide
indices close to thresholds for shallow landslides.

Aviation A strong cold front will move through the area later
this morning. The air mass is moist and stable, and will become
unstable behind the front this afternoon. Strong south to
southeast winds 25 to 35 knots with gusts to 50 knots can be
expected in the interior north of kpae and along the pacific
coast. Winds aloft will be strong out of the south ahead of the
front with 5000-10000 foot winds around 65 knots. A few hours of
moderate rain can be expected this morning ahead of the front.

Easterly pressure gradients ahead of the front has been keeping
ceilings in the interior high. Ceilings will fall to MVFR as
precipitation increases with the front, then remain mainly MVFR
through the afternoon hours with onshore flow. Some low level
wind shear can be expected around khqm and from south of kpae to
kolm ahead of the front this morning. The air mass will be
sufficiently unstable behind the front this afternoon to support a
slight chance of tstms across the area. Albrecht
ksea... MVFR conditions will develop shortly 12-14z as
precipitation increasing ahead of the incoming front. Ceilings
around bkn025 will continue into the afternoon hours. Surface
winds 16015g30kt will shift to 190 deg behind the front then
diminish this evening. There will be a small threat of a tstm
after 20z and continuing into the evening hours, but the threat
will be low enough to not include it in the terminal forecast at
this time. Albrecht

Marine A strong cold front will move onshore early this morning
then through the inland waters before noon. There is no reason to
make any change to the warnings that are in place ahead of the
frontal passage at this time -storm warnings for the coastal
waters and at the east entrance to the strait and gale warnings
elsewhere.

Winds will rapidly decrease behind the front, but winds over the
coastal waters and some of the inland waters will continue to blow
at small craft advisory level (above 20 knots). Seas over the
coastal waters will slowly subside behind the front this morning.

Moderate onshore flow will continue later this afternoon into
Monday morning.

A warm front on Tuesday will give strong east to southeast
gradients for gales over the coastal waters and small craft
advisory conditions elsewhere. Additional fronts will give active
weather to the waters Wednesday through the end of the upcoming
week. Albrecht

Sew watches warnings advisories
Wa... Winter weather advisory until 9 am pst Monday for cascades of
pierce and lewis counties-cascades of snohomish and king
counties.

Winter storm warning until 9 am pst Monday for cascades of
whatcom and skagit counties-olympics.

Flood watch through this evening for hood canal area-lower
chehalis valley area-olympics.

Wind advisory until noon pst today for everett and vicinity-hood
canal area.

High wind warning until noon pst today for admiralty inlet area-
san juan county-western skagit county-western whatcom
county.

High wind warning until 10 am pst this morning for central coast-
north coast.

High surf advisory until 3 pm pst this afternoon for central
coast-north coast.

Coastal flood advisory from 6 am to 10 am pst this morning for
admiralty inlet area.

Wind advisory until 10 am pst this morning for eastern strait of
juan de fuca.

Pz... Small craft advisory for rough bar until 9 pm pst Monday for
grays harbor bar.

Storm warning until 9 am pst this morning for coastal waters
from CAPE flattery to james island 10 to 60 nm-coastal
waters from CAPE flattery to james island out 10 nm-coastal
waters from james island to point grenville 10 to 60 nm-
coastal waters from james island to point grenville out 10
nm-coastal waters from point grenville to CAPE shoalwater
10 to 60 nm-coastal waters from point grenville to cape
shoalwater out 10 nm.

Storm warning until noon pst today for east entrance u.S. Waters
strait of juan de fuca.

Gale warning until noon pst today for admiralty inlet-northern
inland waters including the san juan islands.

Gale warning until 9 am pst this morning for west entrance u.S.

Waters strait of juan de fuca.

Gale warning until 10 am pst this morning for central u.S.

Waters strait of juan de fuca-puget sound and hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPTW1 - 9441102 - Westport, WA 10 mi77 min S 20 G 32 48°F 50°F1007.3 hPa
46211 - Grays Harbor, WA (036) 18 mi83 min 51°F18 ft
TOKW1 - 9440910 - Toke Point, WA 19 mi53 min SSE 21 G 30 49°F 49°F1008.2 hPa (-3.1)
46041 - CAPE ELIZABETH- 45NM Northwest of Aberdeen, WA 49 mi63 min S 35 G 41 51°F 51°F19 ft1002.2 hPa (-3.7)

Wind History for Westport, WA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA1 mi60 minESE 165.00 miLight Rain Fog/Mist46°F44°F93%1008.5 hPa

Wind History from HQM (wind in knots)
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1 day agoSE12E12SE13E11E12SE12SE12SE11S13S15S16S10S12S12S11SW12SW11S7W6W16
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2 days agoS14S16S16S13SE15SE17
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S9S10SE6E7SE10E12SE12SE16SE12E9E10SE13SE13

Tide / Current Tables for Moon Island, North Channel, Grays Harbor, Washington
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Moon Island
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Sun -- 04:06 AM PST     10.16 feet High Tide
Sun -- 07:52 AM PST     Sunrise
Sun -- 09:40 AM PST     3.67 feet Low Tide
Sun -- 10:17 AM PST     Moonrise
Sun -- 03:32 PM PST     10.19 feet High Tide
Sun -- 05:02 PM PST     Sunset
Sun -- 09:54 PM PST     1.26 feet Low Tide
Sun -- 09:58 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.96.98.49.610.29.78.46.653.93.74.86.68.39.410.110.19.27.45.13.11.71.32

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Sun -- 12:33 AM PST     2.33 knots Max Flood
Sun -- 04:09 AM PST     -0.01 knots Slack
Sun -- 07:01 AM PST     -2.31 knots Max Ebb
Sun -- 07:52 AM PST     Sunrise
Sun -- 10:05 AM PST     0.00 knots Slack
Sun -- 10:18 AM PST     Moonrise
Sun -- 12:28 PM PST     1.66 knots Max Flood
Sun -- 03:29 PM PST     -0.00 knots Slack
Sun -- 05:03 PM PST     Sunset
Sun -- 06:57 PM PST     -3.04 knots Max Ebb
Sun -- 09:59 PM PST     Moonset
Sun -- 10:24 PM PST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.22.31.91.20.2-1.1-2-2.3-2.1-1.3-0.111.61.61.10.4-0.5-1.7-2.7-3-2.8-2-0.60.9

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Seattle, WA (7,2,3,4)
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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.