Saturday, January25, 2020
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Marine Weather and Tides
Central Park, 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 7:46AMSunset 5:08PM Saturday January 25, 2020 5:38 AM PST (13:38 UTC) Moonrise 8:37AMMoonset 6:01PM Illumination 0% Phase: New Moon; Moon at 0 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- 250 Am Pst Sat Jan 25 2020
.small craft advisory in effect through this afternoon... Combined seas 10 feet subsiding to 7 or 8 feet tonight. Bar conditions rough today, moderate tonight. Maximum ebb currents will occur around 445 am and 5 pm today. The afternoon ebb will be strong.
PZZ100 250 Am Pst Sat Jan 25 2020
Synopsis for the northern and central washington coastal and inland waters..A front will move through the waters this morning. A 995 mb low will move through the offshore waters tonight and into vancouver island Sunday morning. The associated front will move through the waters late tonight. Another system will arrive Sunday night with the active weather pattern continuing through much of next week.


7 Day Forecast for Marine Location Near Central Park, WA
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location: 46.97, -123.7     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 251128 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 330 AM PST Sat Jan 25 2020

SYNOPSIS. An active weather pattern continues across the region through at least much of next week as a series of weather systems cross the region.

SHORT TERM /TODAY THROUGH MONDAY/. Frontal system making its way through W WA at the time of this writing with main band of showers stretching NW to SE and moving to the NE. The leading edge of this band is nearly to the King/Snohomish county line at the time of this writing Following close behind it. along the coast . radar shows a N to S running band of showers. Current models show that this front is not going to hang around to check real estate trends as it quickly ejects by late morning . resulting in what models have consistently advertised as a bit of a break in the action this afternoon and maybe even squeaking into the evening.

A frontal system associated with surface level low pressure still looks to move up from OR tonight . bringing the next batch of rain. This system looks to hang around a little bit longer . keeping conditions wet for much of Sunday. This system will also bring an increase in wind speeds over the area . with most locations seeing breezy to locally windy conditions. However areas that are more prone to higher wind speeds . such as along the coast and the North Interior . could see wind speeds get up into low end Wind Advisory criteria. Model output over the past 24 hours has been pretty consistent in this feature even though model runs prior to that window had waffled a bit That being said. confidence in these winds occuring is building . but have opted to hold off on issuing any headlines just yet to allow for one last model run. As such . will leave decision in the hands of the day shift.

As this system ejects Sunday evening yet another frontal system makes its way onto the coast allowing for more widespread rainfall to resume during the overnight hours of Sunday and into at least early Monday morning Sadly. no real model consensus beyond this point as the ECMWF brings in yet another system from the west right on the heels of the aforementioned departing system . resuming rain in the afternoon. The GFS differs greatly by bringing up another surface low from the south very slowly . allowing for Monday afternoon to be relatively dry before rain creeps in for Monday evening and Monday night. While the details are not in agreement . given the active pattern in terms of the forecast itself . having rain in the forecast for that day seems kind of like a no-brainer. 18

LONG TERM /TUESDAY THROUGH FRIDAY/. Models seem to buddy up again when it comes to Tuesday with a precip blob over the area that has a frontal shape to it and the timing of the upper level trough behind it for Tuesday afternoon seems to keep the precip going. There are still hints of a weak and very progressive upper level ridge swinging through W WA late Tuesday night and into early Wednesday morning . but the next frontal system hits the coast bright and early with widespread rain over the area by late morning/early afternoon. Thursday sees models disagree once more with possible dry conditions being advertised in the GFS while the ECMWF brings another system in. Both models again reach agreement with yet another system for Friday. While the periodic disagreements between solutions does not exactly breed the strongest confidence in any particular details . there is no doubt that the active and wet pattern in place over the Pac NW is not going to change any time soon Throughout all of this. both short term and long term . the more precip the area receives . the longer the threat for river flooding and landslides will remain in place. 18

AVIATION. Southwesterly flow aloft increasing tonight into Sunday morning. Front moving through the area this morning with a stronger front arriving tonight into early Sunday morning. Ceilings generally in the 3500-5000 foot range lowering down to the 2000-3000 foot range for a couple of hours with and behind the front later this morning into the early afternoon hours. Ceilings improving back up to aoa 5000 feet later this afternoon into tonight.

KSEA . Ceilings near 4000 feet lowering to near 2000 feet with and just behind the front 17z-20z. Ceilings improving this afternoon back up to aoa 5000 feet. Southeast wind 5 to 10 knots becoming southerly later this morning. Winds switching to easterly 4 to 8 knots this evening. Felton

MARINE. A frontal system will move through the waters this morning with small craft advisory winds for the coastal waters. A stronger front associated with a 995 mb low moving into Vancouver Island Sunday morning will reach Western Washington late tonight into Sunday morning. Gale force winds are likely for the coastal waters as well as the Northern Inland waters, East Entrance to the Strait and Admiralty Inlet Sunday morning easing to small craft in the afternoon. Small craft advisory winds over the remainder of the waters late Saturday night into Sunday. Another strong system will move through the area Sunday evening. Active weather pattern continuing next week with a significant system possible Monday night or Tuesday. Felton

HYDROLOGY. The Skokomish River remains above flood stage and will likely do so through the weekend. The weather pattern will remain wet into next week as a series of weather systems cross the area. Rivers will continue to run high and there is the potential for additional river flooding next week.

CLIMATE. With 0.47 inches Friday the Seattle precipitation total for January is now 5.88 inches. The normal for the entire month is 5.57 inches. There has been measurable precipitation on 21 of the 24 days ( 88 percent ) in January in Seattle

Out on the coast there has been measurable precipitation at both Quillayute and Hoquiam every day this month including already this morning. The current streak of 39 days in a row with measurable precipitation at Quillayute is the 2nd longest streak on record. The record is 47 days 11/2/1990 to 12/18/1990. At Hoquiam the current streak is 34 days ( including today ) which is tied for the 4th longest streak. The record for Hoquiam is 49 days 1/28/1961 to 3/17/1961. Records started in 1966 at Quillayute and 1953 in Hoquiam. Felton

SEW WATCHES/WARNINGS/ADVISORIES. WA . None.

PZ . Small Craft Advisory until 6 AM PST Sunday 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.

Gale Warning from 6 AM to noon PST Sunday for Admiralty Inlet- 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-East Entrance U.S. Waters Strait Of Juan De Fuca-Northern Inland Waters Including The San Juan Islands.

Small Craft Advisory until 6 PM PST this evening for Grays Harbor Bar.

Small Craft Advisory from 1 AM to 6 PM PST Sunday for Central U.S. Waters Strait Of Juan De Fuca-West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory from 6 AM to 6 PM PST Sunday for Puget Sound and Hood Canal.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPTW1 - 9441102 - Westport, WA 22 mi63 min E 11 G 13 46°F 49°F1010.4 hPa
TOKW1 - 9440910 - Toke Point, WA 23 mi57 min E 8.9 G 11 48°F 49°F1010.6 hPa
46099 46 mi109 min E 16 48°F 50°F1009 hPa

Wind History for Westport, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hoquiam, Bowerman Airport, WA14 mi46 minENE 97.00 miOvercast47°F46°F100%1011 hPa

Link to 5 minute data for KHQM

Wind History from HQM (wind in knots)
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Tide / Current Tables for Cosmopolis, Chehalis River, Grays Harbor, Washington
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Cosmopolis
Click for Map
Sat -- 02:15 AM PST     10.83 feet High Tide
Sat -- 07:26 AM PST     4.45 feet Low Tide
Sat -- 07:48 AM PST     Sunrise
Sat -- 08:37 AM PST     Moonrise
Sat -- 01:28 PM PST     12.06 feet High Tide
Sat -- 05:06 PM PST     Sunset
Sat -- 06:01 PM PST     Moonset
Sat -- 08:03 PM PST     0.15 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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8.31010.810.59.57.964.64.767.79.5111211.910.88.86.43.71.20.20.82.54.7

Tide / Current Tables for Grays Harbor Entrance, Washington Current
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Grays Harbor Entrance
Click for Map
Sat -- 01:57 AM PST     -0.01 knots Slack
Sat -- 04:49 AM PST     -2.13 knots Max Ebb
Sat -- 07:28 AM PST     0.00 knots Slack
Sat -- 07:49 AM PST     Sunrise
Sat -- 08:38 AM PST     Moonrise
Sat -- 10:36 AM PST     1.77 knots Max Flood
Sat -- 01:13 PM PST     -0.01 knots Slack
Sat -- 04:56 PM PST     -3.74 knots Max Ebb
Sat -- 05:08 PM PST     Sunset
Sat -- 06:03 PM PST     Moonset
Sat -- 08:21 PM PST     0.01 knots Slack
Sat -- 11:48 PM PST     2.45 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.31.3-0.1-1.2-1.9-2.1-1.6-0.50.51.31.71.71.40.3-1.2-2.6-3.4-3.7-3.2-2-0.50.81.82.3

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 (8,2,3,4)
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Ground Weather Radar Station Portland, OR
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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.