Friday, May24, 2019 L-36.com


Marine Weather and Tides
Sequim, WA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 5:22AMSunset 8:58PM Friday May 24, 2019 3:01 AM PDT (10:01 UTC) Moonrise 12:23AMMoonset 9:32AM Illumination 72% Phase: Waning Gibbous; Moon at 20 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- 250 Am Pdt Fri May 24 2019
Today..SW wind 10 to 20 kt becoming W 5 to 15 kt in the afternoon. Wind waves 2 to 4 ft subsiding to 2 ft or less in the afternoon.
Tonight..W wind 10 to 20 kt becoming sw 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Sat..N wind 5 to 15 kt. Wind waves 2 ft or less. A slight chance of showers in the morning then a chance of showers in the afternoon.
Sat night..W wind to 10 kt becoming 5 to 15 kt after midnight. Wind waves 2 ft or less.
Sun..W wind 5 to 15 kt in the morning becoming light. Wind waves 2 ft or less in the morning becoming less than 1 ft.
Sun night..W wind 5 to 15 kt. Wind waves 2 ft or less.
Mon..W wind 10 to 20 kt rising to 20 to 30 kt. Wind waves 1 to 3 ft building to 3 to 5 ft.
Tue..SW wind 10 to 20 kt becoming W 15 to 25 kt. Wind waves 2 to 4 ft.
PZZ100 250 Am Pdt Fri May 24 2019
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will continue today with strong northwest flow over the coastal waters. The low level flow will ease on Saturday and become light Sunday. Onshore flow will increase again on Monday and continue into Tuesday.


7 Day Forecast for Marine Location Near Sequim, WA
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location: 48.08, -123.05     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 240305
afdsew
area forecast discussion
national weather service seattle wa
805 pm pdt Thu may 23 2019

Synopsis A low will drop south from british columbia on Friday,
bringing a chance for light showers across the area, with
isolated thunder possible near cascade crest. Another low drops
south for Saturday for an even better chance for showers. Another
ridge builds in for Monday, memorial day, with dry and warm temps
expected for the lowlands and isolated showers storms for the
mountains. Ridge holds through late week, with an overall dry
forecast tues-thurs.

Short term tonight through Sunday Some shower activity
continues this evening with northwest flow aloft carrying some
it off the olympics across hood canal and the southern fringes
of puget sound. Little in the way of showers remain over the
cascades with the atmosphere stabilizing as the Sun GOES down.

Shortwave sinking southward over the interior of british columbia
will carve out a decent trough over washington by Friday afternoon.

The vast majority of the precipitation will likely be focused over
higher terrain, but it will certainly bring plenty of clouds and the
associated increase in onshore flow will help drop temperatures
across the interior of western washington 10 to 20 degrees below
today's readings. 27
from previous discussion... For tomorrow, a shortwave will drop down
from bc right over washington. The chance for scattered showers
across both the mountains and the lowlands will increase early
Friday morning from the north. Although it will not be a washout by
any means, scattered showers will continue thru much of the day and
spread southward as the low tracks in that direction. Right now
guidance indicates most of the instability will remain confined to
the cascade crest and points east, have placed mention of thunder at
least in the northern cascades for now given that mid level temps
will be cooler as the low moves directly overtop the area.

Following very closely on the heels of Friday's low will be
another, stronger closed low for Saturday. Some timing differences
exist between the deterministic ec and gfs, and right now prefer
the slower progression of the ec based on ensemble guidance. This
could make for a later start (i.E.,afternoon vs morning) to the
next round of precip on Saturday if this were to verify, but
nonetheless, unfortunately the forecast for Saturday has turned
wetter. Have also kept mention of thunder in the cascades. This
low will pull south Sunday night and reinforce that persistent,
longer wave western us trough.

Kovacik

Long term Monday through Thursday The long term period begins
on memorial day with the previous day's low well to our south
centered in northern arizona. This allows a ridge to build into
the pacnw, which points towards a return to dry and pleasant
weather, at least for the lowlands with highs back into the mid
and upper 70s. The higher terrain could again see diurnally
driven convection by Monday afternoon but it seems more isolated
at this time. The ridge appears to hold on thru the remainder of
the long term. This may allow for a dry forecast by Tuesday
evening (after another round of afternoon mountain convection)
through Thursday.

Kovacik

Aviation Showers diminishing over the mountains as the Sun goes
down. Increasing low level onshore flow level will push stratus
along the coast across much of the interior of western
washington by daybreak Friday. MVFR CIGS are likely. An upper level
shortwave trough will bring scattered showers to the area on Friday.

33 27
ksea...VFR conditions tonight, then stratus clouds moving in
11-14z for MVFR cigs. A few showers possible by 18z as upper trough
settles over the region. Surface wind light southwesterly
backing to southerly overnight and increasing to 10-15 kt
Friday morning. 33 27

Marine Onshore flow continuing to increase this evening.

Uil bli gradient was near +3.0 millibars as of 02z and
continuing to edge upward. Have upgraded the SCA in the central and
eastern strait to a gale warning through late tonight. Small
craft advisories in effect for the coastal waters, the northern
inland waters, and admiralty inlet. Strong northwest flow
will develop over the outer coastal waters on Friday with gales
possible. Winds will ease on Saturday and become light on Sunday.

Onshore flow will increase again on Monday. 33 27

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... Gale watch from 6 am pdt Friday through Friday evening 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 6 am pdt Friday 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 11 pm pdt Friday for coastal waters
from CAPE flattery to james island out 10 nm-coastal waters
from james island to point grenville out 10 nm-coastal
waters from point grenville to CAPE shoalwater out 10 nm.

Gale warning until 3 am pdt Friday for central u.S. Waters
strait of juan de fuca-east entrance u.S. Waters strait of
juan de fuca.

Small craft advisory until 11 pm pdt this evening for northern
inland waters including the san juan islands.

Small craft advisory until 3 am pdt Friday for admiralty inlet.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PTWW1 - 9444900 - Port Townsend, WA 16 mi31 min S 1.9 G 4.1 55°F 50°F1012.3 hPa
46088 - New Dungeness, WA (Hein Bank) 19 mi41 min SW 9.7 G 12 52°F 49°F1010.3 hPa48°F
SISW1 - Smith Island, WA 20 mi71 min SW 14 G 16 52°F 1011.2 hPa (-0.0)48°F
PTAW1 - 9444090 - Port Angeles, WA 21 mi85 min WNW 12 G 16 54°F 50°F1011.2 hPa
46125 25 mi24 min 1.9 54°F 1011 hPa52°F
FRDW1 - 9449880 - Friday Harbor, WA 32 mi85 min Calm G 1 52°F 51°F1011 hPa
46120 41 mi24 min S 5.8 55°F 1010.9 hPa50°F
WPOW1 - West Point, WA 44 mi61 min S 15 G 16 54°F 1012 hPa (+0.0)50°F
46123 49 mi166 min 60°F

Wind History for Port Townsend, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Port Angeles Fairchild International Airport, WA24 mi68 minW 910.00 miOvercast51°F48°F89%1011.3 hPa

Wind History from CLM (wind in knots)
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Last 24hrW5W8W3NW3NW4NW4N5N4N4N6W8W8NW5W9NW9W14W6W12W103W7W7W9Calm
1 day agoCalmS4CalmCalmE6E11E10E8E4E6E6E65N5W6NW5NW4W6W5NW5W10W9W5NW6
2 days agoCalmCalmCalmCalmCalmCalmSW4S4N3N5N6NW6NW6NW10NW7W4W3SW8W5W6SW8W75S3

Tide / Current Tables for Sequim Bay Entrance, Washington
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Sequim Bay Entrance
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Fri -- 01:22 AM PDT     Moonrise
Fri -- 04:30 AM PDT     5.51 feet Low Tide
Fri -- 05:23 AM PDT     Sunrise
Fri -- 06:24 AM PDT     5.67 feet High Tide
Fri -- 10:32 AM PDT     Moonset
Fri -- 02:25 PM PDT     -0.26 feet Low Tide
Fri -- 08:55 PM PDT     Sunset
Fri -- 10:26 PM PDT     7.89 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.16.565.75.55.55.65.65.44.73.72.51.30.3-0.2-0.10.61.83.24.86.27.37.87.8

Tide / Current Tables for Kamen Point, 1.3 miles SW of, Washington Current
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Kamen Point
Click for Map
Fri -- 01:13 AM PDT     -0.74 knots Max Ebb
Fri -- 01:22 AM PDT     Moonrise
Fri -- 05:22 AM PDT     Sunrise
Fri -- 05:28 AM PDT     0.00 knots Slack
Fri -- 06:09 AM PDT     0.01 knots Max Flood
Fri -- 06:18 AM PDT     -0.00 knots Slack
Fri -- 10:31 AM PDT     Moonset
Fri -- 12:15 PM PDT     -0.97 knots Max Ebb
Fri -- 03:24 PM PDT     0.00 knots Slack
Fri -- 06:59 PM PDT     0.41 knots Max Flood
Fri -- 08:55 PM PDT     Sunset
Fri -- 10:10 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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-0.7-0.7-0.7-0.5-0.2-00-0.1-0.2-0.4-0.7-0.9-1-0.9-0.6-0.20.10.30.40.40.40.20-0.3

Weather Map and Satellite Images
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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.
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Wind Forecast for Seattle, WA (6,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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.