Thursday, July2, 2020
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Marine Weather and Tides
Blyn, 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 5:13AMSunset 9:16PM Thursday July 2, 2020 2:05 AM PDT (09:05 UTC) Moonrise 6:02PMMoonset 2:11AM Illumination 89% Phase: Waxing Gibbous; Moon at 12 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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PZZ132 East Entrance U.s. Waters Strait Of Juan De Fuca- 830 Pm Pdt Wed Jul 1 2020
.small craft advisory in effect until 7 am pdt Thursday...
Tonight..W wind 20 to 30 kt. Wind waves 3 to 5 ft. A slight chance of showers in the evening then a chance of showers after midnight.
Thu..W wind 15 to 25 kt easing to 5 to 15 kt in the afternoon. Wind waves 2 to 4 ft subsiding to 2 ft or less in the afternoon. A chance of showers.
Thu night..W wind 5 to 15 kt. Wind waves 2 ft or less. A chance of showers.
Fri..W wind to 10 kt becoming ne in the afternoon. Wind waves 1 ft or less.
Fri night..N wind to 10 kt becoming W after midnight. Wind waves 1 ft or less.
Sat..W wind to 10 kt. Wind waves 1 ft or less.
Sat night..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
Sun..SW wind to 10 kt becoming W 15 to 25 kt. Wind waves 1 ft or less building to 2 to 4 ft.
Mon..SW wind to 10 kt becoming W 15 to 25 kt. Wind waves 1 ft or less building to 2 to 4 ft.
PZZ100 830 Pm Pdt Wed Jul 1 2020
Synopsis for the northern and central washington coastal and inland waters..Onshore flow today will increase through tonight. Onshore flow will become a bit lighter later in the week as high pressure offshore weakens.


7 Day Forecast for Marine Location Near Blyn, WA
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location: 48.07, -122.92     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 020309 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 809 PM PDT Wed Jul 1 2020

UPDATE. The forecast is still on track, and no adjustments have been made at this time. An updated aviation and marine discussion can be found below.

SYNOPSIS. An upper level trough and onshore flow will maintain showers and abundant clouds through late Thursday. Weak high pressure will bring increasing sun and warming temperatures over the holiday weekend, before another trough returns to enhance clouds and shower chances again early next week.

SHORT TERM /TONIGHT THROUGH SATURDAY/. Latest surface observations and visible satellite imagery reveals widespread cloud cover across most of Western Washington this afternoon, with some thinning of the cloud deck evident around portions of the central Puget Sound. Onshore flow at the lower levels will maintain abundant moisture, which swill support these persistent lower clouds continuing overnight and through at least early Thursday. Expect some continued light rain or drizzle, especially along and east of the Sound and into the Cascades. Onshore flow weakens a bit on Thursday, and in conjunction with the upper level trough axis sliding eastward, shower activity should dwindle overnight. The next upper trough, though, quickly follows, but should only clip the northern portions of the forecast area and focus most of tomorrow's shower activity generally in the higher terrain and in the lowlands north of around Olympia. Temperatures will trend a few degrees warmer on Thursday than today, but overall should be fairly similar.

Looking ahead to Friday, expect that another disturbance in the flow around the broad upper trough to again bring some light showers. However, weaker forcing should confine these showers generally to a limited area, while portions of the region (especially south) should begin to see a drying a clearing trend by late afternoon. Heights continue to rise into Saturday, with the main upper trough axis positioned a bit further offshore. While there may still be some mid level clouds with the lingering moisture, guidance is suggesting a trend toward increasing sunshine and temperatures near or slightly above seasonal normals. Cullen

LONG TERM /SUNDAY THROUGH WEDNESDAY/. The upper trough then likely shifts back closer Western Washington by early Sunday, ushering in a return of stronger onshore flow and a pattern of clouds increasing overnight through each morning, before scattering somewhat into the afternoon. This should have temperatures again trending a bit cooler early next week, but not much in the way of precipitation is suggested. However, the upper trough likely swings across Washington closer to midweek, with a more organized round of showers late Tuesday and into Wednesday. Cullen

AVIATION. Northwesterly flow aloft continues as the upper level trough moves through the region. Mostly VFR cigs across the interior with some localized MVFR and lower along the coast. Some rain showers will linger tonight in the northern portions of the CWA, with reduced visibilities in showers. Generally MVFR through Thursday morning with VFR expected by the afternoon. Winds from the southwest at 8-10 knots with some gusts up to 20 knots possible.

Kristell

KSEA . MVFR cigs observed at the terminal this evening and will likely remain in MVFR category for most of the night. A drop to IFR in the morning is possible at times. Winds are expected to be south/southwesterly between 8-12 knots.

Kristell

MARINE. Onshore flow continuing through the week with high pressure offshore and low pressure inland. Small Craft Advisory winds for the outer coastal waters are continuing through Thursday for both wind and elevated seas. A westerly push down the Strait of Juan de Fuca tonight through Thursday morning will affect the central and eastern Strait and northern inland waters. More marine headlines possible through early next week as more westerly pushes as a result of continued onshore flow.

Kristell/JD

HYDROLOGY. The daily hydrology discussion has ended until the start of the next rainy season; it will only be updated as needed until then.

SEW WATCHES/WARNINGS/ADVISORIES. WA . None. PZ . Small Craft Advisory until 5 AM PDT Thursday for Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-Coastal Waters From James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm.

Small Craft Advisory until 7 AM PDT Thursday for Central U.S. Waters Strait Of Juan De Fuca-East Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 8 AM PDT Thursday for Northern Inland Waters Including The San Juan Islands.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTWW1 - 9444900 - Port Townsend, WA 9 mi47 min S 2.9 G 5.1 1014.1 hPa
SISW1 - Smith Island, WA 18 mi25 min WSW 13 G 17 54°F 1013.3 hPa49°F
46125 19 mi32 min 54°F 1012.2 hPa51°F
46088 - New Dungeness, WA (Hein Bank) 23 mi35 min W 18 G 21 54°F 52°F1012.7 hPa50°F
PTAW1 - 9444090 - Port Angeles, WA 28 mi89 min 54°F 53°F
FRDW1 - 9449880 - Friday Harbor, WA 33 mi89 min WSW 4.1 G 12 55°F 53°F
46120 35 mi26 min S 7.8 56°F 1012.3 hPa51°F
PBFW1 - Padilla Bay Reserve, WA 36 mi95 min SSW 5.1 54°F 1013 hPa53°F
46267 37 mi65 min 51°F5 ft
WPOW1 - West Point, WA 38 mi65 min S 17 G 19 56°F 1013.6 hPa (+0.0)53°F

Wind History for Port Townsend, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Whidbey Island Naval Air Station - Ault Field, WA25 mi69 minSW 710.00 miOvercast55°F48°F80%1014.3 hPa

Link to 5 minute data for KNUW

Wind History from NUW (wind in knots)
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Last 24hrSW9W9S6S7SE6S4SE5CalmS8SE13SE14SE11SE9E6E7E6E6S7SW8W8SW8SW8SW8SW7
1 day agoSW10SW10SW9SW10SW10W8SW9SW10W11
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2 days agoSE3SE3E3SE5SE6SE8SE11S13SE13S12SE12
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Tide / Current Tables for Gardiner, Discovery Bay, Washington
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Gardiner
Click for Map
Thu -- 12:38 AM PDT     8.34 feet High Tide
Thu -- 03:11 AM PDT     Moonset
Thu -- 05:17 AM PDT     Sunrise
Thu -- 08:21 AM PDT     -1.35 feet Low Tide
Thu -- 03:58 PM PDT     7.45 feet High Tide
Thu -- 07:02 PM PDT     Moonrise
Thu -- 08:18 PM PDT     5.94 feet Low Tide
Thu -- 09:14 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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8.28.37.86.64.92.80.8-0.6-1.3-1.2-0.312.74.467.17.57.26.76.266.16.67.2

Tide / Current Tables for Kamen Point, 1.3 miles SW of, Washington Current
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Kamen Point
Click for Map
Thu -- 01:05 AM PDT     -0.00 knots Slack
Thu -- 03:11 AM PDT     Moonset
Thu -- 05:17 AM PDT     Sunrise
Thu -- 06:01 AM PDT     -1.56 knots Max Ebb
Thu -- 09:17 AM PDT     0.00 knots Slack
Thu -- 12:42 PM PDT     0.55 knots Max Flood
Thu -- 03:56 PM PDT     -0.00 knots Slack
Thu -- 07:02 PM PDT     Moonrise
Thu -- 07:15 PM PDT     -0.72 knots Max Ebb
Thu -- 09:14 PM PDT     Sunset
Thu -- 09:49 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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0.20-0.4-0.8-1.2-1.5-1.6-1.4-0.9-0.20.20.40.50.50.40.2-0-0.4-0.6-0.7-0.6-0.300.1

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Seattle, WA (5,6,7,8)
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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.