Saturday, August24, 2019 L-36.com


Marine Weather and Tides
Bay View, WA

Version 3.4
NOTICE
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 6:15AMSunset 8:10PM Saturday August 24, 2019 4:03 AM PDT (11:03 UTC) Moonrise 11:42PMMoonset 2:43PM Illumination 36% 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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PZZ133 Northern Inland Waters Including The San Juan Islands- 235 Am Pdt Sat Aug 24 2019
Today..S wind 5 to 15 kt becoming 10 to 20 kt in the afternoon. Wind waves 1 to 3 ft. A slight chance of showers.
Tonight..S wind 10 to 20 kt becoming W after midnight. Wind waves 1 to 3 ft.
Sun..SW wind 10 to 20 kt. Wind waves 1 to 3 ft.
Sun night..S wind 5 to 15 kt becoming W to 10 kt after midnight. Wind waves 2 ft or less.
Mon..NW wind to 10 kt. Wind waves 1 ft or less.
Mon night..NW wind to 10 kt. Wind waves 1 ft or less.
Tue..NW wind to 10 kt. Wind waves 1 ft or less.
Wed..NW wind to 10 kt. Wind waves 1 ft or less.
PZZ100 235 Am Pdt Sat Aug 24 2019
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will continue through Monday before turning offshore on Tuesday as a thermal trough builds north along the west coast.


7 Day Forecast for Marine Location Near Bay View, WA
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location: 48.48, -122.53     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 241011
afdsew
area forecast discussion
national weather service seattle wa
311 am pdt Sat aug 24 2019

Synopsis A weak upper level trough will move by to the north
today and tonight. An upper level ridge will begin building
offshore on Sunday. The ridge will continue to build and shift
over western washington Tuesday and Wednesday with the low level
flow going light offshore. The ridge will weaken Thursday and
Friday with low level onshore flow returning to the area.

Short term today through Monday Satellite imagery shows
cloudy skies over western washington at 3 am 10z. Most of the
cloud cover is of the mid and high variety. Temperatures were in
the 50s to lower 60s.

Lots of cloud cover today into tonight as a weak trough moves by
to the north. Could be enough lift with the trough to produce a
few showers from about a bellingham to astoria line westward today
and mainly over the cascades this evening. Any precipitation that
does develop will be light. With the cloud cover high temperatures
will continue to be a little below normal, in the mid 60s to mid
70s. Lows tonight mostly in the 50s.

Increasing low level onshore flow later tonight into Sunday with
the trough east of the area. Low clouds developing along the coast
spreading inland Sunday morning. Marine layer not deep enough to
get the stratus all the way to the cascade crest but deep enough
to keep skies mostly cloudy through the morning hours. Upper level
ridge beginning to build offshore with 500 mb heights rising over
western washington but too late to warm high temperatures Sunday
with readings once again in the mid 60s to mid 70s.

Upper level ridge continuing to build offshore Sunday night into
Monday with the surface gradients going northwesterly. This will
limit the cloud cover in the morning on Monday. Monday morning
the coolest morning of the month with lows in the mid 40s to mid
50s. Highs on Monday warming a little, into the 70s.

Long term Tuesday through Friday Upper level ridge moving
over western washington Tuesday and Wednesday with 500 mb heights
in the lower to mid 580 dms. Low level flow turning offshore but
00z runs are weaker with this development versus previous runs.

Models still have 850 mb temperatures warming into the plus 16 to
plus 20c range but with the weaker offshore flow scenario will
have the warmest locations near 90 with the remainder of the area
in the mid 70s to upper 80s. The weaker offshore flow scenario
leads to a quicker return to low level onshore flow on Thursday
as the upper level ridge begins to weaken. Upper level ridge
continues to weaken on Friday with low level onshore flow. The
models have a weak surface low over the oregon and washington
coastal waters limiting the strength of the onshore flow. For now
will go with a 2 day weak push scenario with around 5 degrees of
cooling both Thursday and Friday. Felton

Aviation Westerly flow aloft will become more northwesterly today
as an upper level trough departs. Onshore flow will continue at the
surface.VFR conditions across the area currently with mid to high
level clouds. Low level stratus may develop along the coast and push
slightly inland this morning, with perhaps a brief reduction in
ceilings at a few sites such as hqm and olm. Elsewhere expect mid
level clouds and a continuation ofVFR conditions.

Ksea...VFR conditions through the period. A few MVFR stratus may
move into the vicinity of the airfield by daybreak Saturday. Light
n NE winds veering S SW by this afternoon before shifting back to
the N NE under 10 kts this evening.

Ceo

Marine Onshore flow continues this morning. Winds in the strait
just barely touched small craft advisory overnight as gradients were
less than model forecasts indicated. Winds will ease this morning. A
weak front will move across the area today with another westerly
push down the strait this evening into tonight. Gradients look
stronger with this push but still under gale criteria so have issued
a small craft advisory for the central and eastern strait. Onshore
flow continues through Monday before shifting to offshore for much
of the week.

Ceo

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 from 4 pm this afternoon to 5 am pdt Sunday
for central u.S. Waters strait of juan de fuca-east
entrance u.S. Waters strait of juan de fuca.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PBFW1 - Padilla Bay Reserve, WA 3 mi94 min SE 2.9 52°F 1013 hPa50°F
SISW1 - Smith Island, WA 19 mi74 min WSW 8.9 G 11 56°F 1013.2 hPa (-0.0)52°F
FRDW1 - 9449880 - Friday Harbor, WA 26 mi88 min Calm G 1 53°F 54°F1013.2 hPa
PTWW1 - 9444900 - Port Townsend, WA 28 mi52 min Calm G 1 56°F 54°F1014 hPa
CHYW1 - 9449424 - Cherry Point, WA 29 mi52 min 1013.1 hPa
CPMW1 29 mi52 min SE 6 G 7 58°F
CPNW1 29 mi112 min SE 4.1 G 6 58°F
46088 - New Dungeness, WA (Hein Bank) 35 mi44 min WSW 9.7 G 12 55°F 53°F1012.7 hPa53°F

Wind History for Friday Harbor, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington/Mount Vernon, Skagit Regional Airport, WA6 mi69 minENE 310.00 miMostly Cloudy52°F50°F94%1013.5 hPa
Whidbey Island Naval Air Station - Ault Field, WA10 mi68 minE 310.00 miMostly Cloudy57°F51°F81%1014.5 hPa
Bellingham, Bellingham International Airport, WA21 mi71 minN 07.00 miMostly Cloudy54°F51°F90%1013.8 hPa

Link to 5 minute data for KBVS

Wind History from BVS (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmNE3E6NE5CalmNE7NW6NW8NW7W6W4S4SW4CalmCalmCalmCalmCalmCalm
1 day agoCalmCalmCalmCalmCalmNW76CalmW74NW65
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NW7Calm3NW3NW3CalmCalmNW3CalmCalmCalmCalm
2 days agoSE5
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Tide / Current Tables for Swinomish Channel Entrance, Padilla Bay, Washington
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Swinomish Channel Entrance
Click for Map
Sat -- 12:02 AM PDT     Moonrise
Sat -- 06:16 AM PDT     Sunrise
Sat -- 06:41 AM PDT     0.71 feet Low Tide
Sat -- 02:47 PM PDT     6.45 feet High Tide
Sat -- 03:42 PM PDT     Moonset
Sat -- 06:30 PM PDT     6.16 feet Low Tide
Sat -- 08:07 PM PDT     Sunset
Sat -- 11:13 PM PDT     7.53 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.16.35.23.82.51.40.80.71.22.13.24.35.366.46.46.46.36.26.26.46.87.37.5

Tide / Current Tables for Guemes Channel, West entrance of, Washington Current
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Guemes Channel
Click for MapFlood direction 95 true
Ebb direction 255 true

Sat -- 12:03 AM PDT     Moonrise
Sat -- 03:17 AM PDT     -2.23 knots Max Ebb
Sat -- 06:16 AM PDT     Sunrise
Sat -- 07:47 AM PDT     0.00 knots Slack
Sat -- 09:31 AM PDT     0.69 knots Max Flood
Sat -- 01:02 PM PDT     -0.00 knots Slack
Sat -- 03:43 PM PDT     Moonset
Sat -- 04:25 PM PDT     -0.49 knots Max Ebb
Sat -- 07:16 PM PDT     0.00 knots Slack
Sat -- 08:08 PM PDT     Sunset
Sat -- 09:07 PM PDT     0.29 knots Max Flood
Sat -- 09:30 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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-1.5-1.9-2.1-2.2-2.2-1.8-1.1-0.50.10.60.60.40.30-0.2-0.3-0.5-0.4-0.2-00.10.3-0.3-0.8

Weather Map and Satellite Images
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wmap_P
GOES 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 (7,2,3,4)
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Ground Weather Radar Station Seattle/Tacoma, WA
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weather_mapweather_map weather_map

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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.