Sunday, January19, 2020
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Marine Weather and Tides
Marrowstone, WA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
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.

Sunrise 7:51AMSunset 4:50PM Sunday January 19, 2020 8:24 AM PST (16:24 UTC) Moonrise 2:55AMMoonset 12:47PM Illumination 30% Phase: Waning Crescent; Moon at 24 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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PZZ134 Admiralty Inlet- 245 Am Pst Sun Jan 19 2020
.small craft advisory in effect through late tonight...
Today..SE wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. Wind waves 2 to 4 ft. A slight chance of rain in the morning. A chance of rain in the afternoon.
Tonight..SE wind 10 to 20 kt rising to 15 to 25 kt after midnight. Wind waves 2 to 4 ft.
Mon..S wind 15 to 25 kt. Wind waves 2 to 4 ft. A chance of rain.
Mon night..SE wind 5 to 15 kt. Wind waves 2 ft or less.
Tue..SE wind 15 to 20 kt. Wind waves 1 to 3 ft.
Tue night..S wind 5 to 15 kt becoming to 10 kt after midnight. Wind waves 2 ft or less.
Wed..SE wind 5 to 15 kt. Wind waves 2 ft or less.
Thu..SE wind 10 to 20 kt. Wind waves 1 to 3 ft.
PZZ100 245 Am Pst Sun Jan 19 2020
Synopsis for the northern and central washington coastal and inland waters..A weak warm front will lift north through the area today. A weakening cold front will move through the area on Monday followed rapidly by a stronger frontal system Monday night and Tuesday. The weather will stay active Wednesday and Thursday with additional weather systems affecting the area.


7 Day Forecast for Marine Location Near Marrowstone CDP, WA
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location: 48.05, -122.68     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 191012 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 212 AM PST Sun Jan 19 2020

SYNOPSIS.

A weak system will push across western Washington late tonight into Monday ahead of an approaching frontal system that will push across the area on Tuesday. This will yield breezy conditions and widespread showers for the region. Several weak systems are expected to traverse the Pacific Northwest through the end of the week, yielding periods of rain, mountain snow, and breezy conditions at times.

SHORT TERM /TODAY THROUGH TUESDAY/.

A shortwave trough will eject downstream of an upper low currently located over the Gulf of Alaska today amplifying the upper level pattern over the Pacific Northwest. With the ridge axis translating eastward, Western Washington will be in moist southwesterly flow, conducive for scattered shower development later this morning through this evening. We will remain in this regime into Monday, with another push of moisture expected to yield scattered showers across the region during the day ahead of the main upper low. This feature will move inland late Monday into Tuesday, bringing widespread showers to the area once again. Isolated thunder will be possible along the immediate coast, particularly if the core of the upper low comes onshore the Olympic Peninsula as lapse rates will be steep enough.

LONG TERM /WEDNESDAY THROUGH SATURDAY/.

Upper level heights will rise once again behind the aforementioned frontal system clears the region early Wednesday morning. A series of weak systems is currently progged to traverse the region into the weekend, yielding scattered rain showers and locally breezy conditions across Western Washington. With a general ridging pattern set up over the western third of the CONUS, snow levels will rise above normal levels for late January during the latter part of the work week, yielding rainfall in higher elevations than normal. This may cause the Skokomish River to rise into flood stage once again by this point. Temperatures will general run several degrees above normal as well, with highs rising into the 50s and lows only in the mid 40s in the lowlands.

Pullin

AVIATION.

Southwesterly flow aloft remains in place over W WA today. East to southeasterly flow is still present at the surface for most locations . the exception being KBLI and vicinity . where north to northeasterly surface flow remains.

Cigs mostly VFR over W WA this morning with the exception of MVFR conditions present along the coast and in the SW interior. Certainly would not rule out other locations prone to lower cigs possibly dipping down into MVFR conditions at times here in the early morning . such as KPWT. A passing minor shortwave may trigger some rain this afternoon over portions of the area . but continued east to southeasterly surface flow should help keep cigs generally VFR for most of the day today . although precip may allow for brief periods of MVFR conditions here or there.

KSEA .

Generally VFR conditions today. Late morning/early afternoon showers possible as weak shortwave moves through area. Dry conditions resuming late this afternoon/early this evening.

18

MARINE.

A weak warm front will lift north through area today followed by a weakening cold front that will move through the area on Monday Hot on the heels of that second system. a stronger frontal system is expected Monday night and Tuesday.The weather will stay active Wednesday and Thursday with additional weather systems affecting the area.

Inherited headlines generally in good shape. Both winds and swells meet SCA criteria over the coastal waters and into the west entrance of the Strait. These swells will gradually ease throughout the day. Winds in the central Strait fairly benign at the time of this writing . but forecast has them ramping back up to SCA criteria this evening . and as such will have an SCA in place for that time period in the morning package Winds in the east Strait. Northern Inland Waters and Admiralty Inlet have been in and out of SCA criteria during the overnight . and like the central Strait are expected to pick up in the afternoon. Will not attempt to get fancy with it and will leave inherited SCA for those waters in place. Gales are possible over the coastal waters with the stronger frontal system Monday night and into Tuesday . but will hold off on a gale watch for now.

HYDROLOGY.

Rainfall accumulations will generally remain light during the first half of the week. Widespread, steady rainfall in the Olympic Peninsula will cause responses on those rivers as the next frontal system pushes through Tuesday into Wednesday. Warming temperatures ahead of the next series of systems may yield a flooding threat on the Skokomish River by the Thursday/Friday timeframe.

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Small Craft Advisory until 4 AM PST Monday 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.

Small Craft Advisory until 4 PM PST this afternoon for Admiralty Inlet-East Entrance U.S. Waters Strait Of Juan De Fuca- Grays Harbor Bar-Northern Inland Waters Including The San Juan Islands-West Entrance U.S. Waters Strait Of Juan De Fuca.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTWW1 - 9444900 - Port Townsend, WA 6 mi55 min 46°F1023 hPa
SISW1 - Smith Island, WA 20 mi35 min SE 20 G 24 47°F 1021.9 hPa40°F
WPOW1 - West Point, WA 30 mi85 min SSE 7 G 8 47°F 1023.3 hPa (-1.3)41°F
PBFW1 - Padilla Bay Reserve, WA 31 mi55 min S 4.1 45°F 1023 hPa41°F
46088 - New Dungeness, WA (Hein Bank) 33 mi45 min SE 3.9 G 5.8 45°F 46°F1022.4 hPa42°F
FRDW1 - 9449880 - Friday Harbor, WA 38 mi49 min 47°F 47°F1022.1 hPa
PTAW1 - 9444090 - Port Angeles, WA 41 mi49 min 38°F 46°F1021.6 hPa
46118 47 mi90 min NE 9.7 38°F 1021.8 hPa38°F

Wind History for Port Townsend, WA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Whidbey Island Naval Air Station - Ault Field, WA21 mi89 minSE 1410.00 miOvercast50°F37°F61%1023.5 hPa
Everett Snohomish County, WA23 mi32 minESE 610.00 miOvercast44°F35°F71%1023.3 hPa

Link to 5 minute data for KNUW

Wind History from NUW (wind in knots)
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1 day agoE8E7E8E7E6E7E9E9E10SE10
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2 days agoSE14
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SW5CalmCalmCalmS6SE3SE3E5SE8E7SE6NE3CalmN3N6NE3E3SE6E7E7E9

Tide / Current Tables for Mystery Bay, Washington
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Mystery Bay
Click for Map
Sun -- 01:03 AM PST     6.51 feet High Tide
Sun -- 02:55 AM PST     Moonrise
Sun -- 05:20 AM PST     5.55 feet Low Tide
Sun -- 07:53 AM PST     Sunrise
Sun -- 11:10 AM PST     9.21 feet High Tide
Sun -- 12:47 PM PST     Moonset
Sun -- 04:49 PM PST     Sunset
Sun -- 07:05 PM PST     0.32 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.26.56.46.15.85.65.66.2788.89.298.26.85.13.21.70.70.30.61.52.74.1

Tide / Current Tables for Port Townsend Canal, Washington Current
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Port Townsend Canal
Click for MapFlood direction 150 true
Ebb direction 330 true

Sun -- 12:35 AM PST     -2.38 knots Max Ebb
Sun -- 02:55 AM PST     Moonrise
Sun -- 04:25 AM PST     0.02 knots Slack
Sun -- 06:35 AM PST     2.45 knots Max Flood
Sun -- 07:53 AM PST     Sunrise
Sun -- 09:24 AM PST     -0.03 knots Slack
Sun -- 12:47 PM PST     Moonset
Sun -- 12:56 PM PST     -2.85 knots Max Ebb
Sun -- 04:50 PM PST     Sunset
Sun -- 05:12 PM PST     0.00 knots Slack
Sun -- 07:27 PM PST     2.85 knots Max Flood
Sun -- 11:04 PM PST     -0.06 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-2.3-2.4-2.1-1.7-11.32.32.41.90.9-1.4-2.2-2.7-2.8-2.7-2.4-1.8-0.91.92.82.82.41.80.3

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Seattle, WA (11,2,3,4)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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 numerous 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.