Monday, May20, 2019 L-36.com


Marine Weather and Tides
Whidbey Island Station, 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 8:51PM Monday May 20, 2019 12:01 AM PDT (07:01 UTC) Moonrise 10:00PMMoonset 5:57AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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- 900 Pm Pdt Sun May 19 2019
.gale warning in effect until 11 pm pdt this evening...
.small craft advisory in effect from 11 pm this evening to 5 am pdt Monday...
Tonight..W wind 25 to 35 kt easing to 15 to 25 kt after midnight. Wind waves 4 to 6 ft subsiding to 2 to 4 ft. A slight chance of showers in the evening.
Mon..S wind 5 to 15 kt becoming W in the afternoon. Wind waves 2 ft or less. Showers likely.
Mon night..NW wind to 10 kt becoming W 5 to 15 kt after midnight. Wind waves 2 ft or less. Showers likely in the evening then a chance of showers after midnight.
Tue..NW wind 5 to 15 kt becoming W 15 to 25 kt in the afternoon. Wind waves 2 ft or less building to 2 to 4 ft.
Tue night..W wind 15 to 25 kt. Wind waves 2 to 4 ft.
Wed..W wind 5 to 15 kt. Wind waves 2 ft or less.
Wed night..W wind 5 to 15 kt. Wind waves 2 ft or less.
Thu..W wind to 10 kt. Wind waves 1 ft or less.
Fri..Light wind becoming W to 10 kt. Wind waves 1 ft or less.
PZZ100 900 Pm Pdt Sun May 19 2019
Synopsis for the northern and central washington coastal and inland waters..Strong onshore flow this evening will bring brief westerly gales to the strait. Flow will turn southerly on Monday ahead of a weather system. Onshore flow will then dominate for the remainder of the week as high.


7 Day Forecast for Marine Location Near Whidbey Island Station CDP, WA
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location: 48.32, -122.83     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 200341
afdsew
area forecast discussion
national weather service seattle wa
845 pm pdt Sun may 19 2019

Synopsis Showers will develop Monday afternoon as an upper level
low moves southeast into oregon. The weather will be drier after
about Tuesday, with a chance of afternoon showers each day mainly
limited to the cascades. A warming trend will begin Wednesday, with
highs each day in the 70s, or possibly low 80s over the weekend.

Short term tonight through Wednesday Shower activity looked
impressive in the cascades this afternoon but it has decreased over
the last two hours. There is still a slight chance a stray shower
could reach the puget sound area in easterly flow aloft, but there
won't be any thunderstorms. Otherwise, tonight will be dry across
the area.

An upper level low will slide south of the area Monday into Tuesday
ushering additional moisture into western washington. Showers will
be around Monday morning into Monday night. ECMWF keeps showers
around into Tuesday afternoon with GFS generally drying the area
out, so some pops kept in for Tuesday. High temperatures on Monday
will be in the upper 50s to low 60s with some warming into Tuesday
with highs in the mid 60s.

An upper level ridge will build offshore Tuesday night into
Wednesday with an upper level low across the interior west. Ecmwf
continues to suggest some moisture across the area Wednesday
afternoon while GFS keeps any precip chances in the cascades. Slight
chance of pops kept for Wednesday with high temperatures a bit
warmer in the upper 60s to low 70s. Jd burke

Long term Thursday through Sunday An upper level low will
linger over the interior west Thursday with an upper level ridge
offshore. Slight chance of pops for Thursday with temperatures in
the low to mid 70s. Models indicate a quick shortwave may pass by to
the west on Friday bringing with it cooler temperatures with a
slightly elevated chance for pops, though Friday may still be on the
drier side. A ridge may build offshore Saturday into Sunday keeping
the area mainly dry. Temperatures may warm into the mid to upper 70s
over the weekend. Jd

Aviation Easterly flow aloft will become light overnight then
increasingly southeasterly on Monday as next system approaches the
offshore waters. Ceilings areVFR except MVFR on the coast. Low
level onshore flow is expected to bring low level moisture inland
overnight, giving low MVFR ceilings over much of western washington
by daybreak Monday. Shower coverage will gradually ramp up through
the day Monday as a negative tilt upper trough approaches the region.

Ksea...VFR conditions expected through this evening with most shower
outside the vicinity of the terminal. Ceilings will lower to MVFR by
09z-12z. Surface winds SW 5-10 kt. 27 chb

Marine Onshore flow increased enough to give a few hours of
low end gale westerlies to the strait, and a gale warning is now in
effect. Small craft advisory winds will occur in the outflow areas
of the strait. Current thinking based on recent model solutions is
for wind speeds over the coastal waters and puget sound to be under
sca criteria with Monday's system. Onshore flow expected to dominate
from Tuesday through the remainder of the week for advisory level
winds over the coastal waters and strait at times. 27 chb

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 Monday for central u.S.

Waters strait of juan de fuca-east entrance u.S. Waters
strait of juan de fuca.

Gale warning until 11 pm pdt this evening for central u.S.

Waters strait of juan de fuca-east entrance u.S. Waters
strait of juan de fuca.

Small craft advisory until 5 am pdt Monday for admiralty inlet-
northern inland waters including the san juan islands.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SISW1 - Smith Island, WA 0 mi71 min W 20 G 24 54°F 1007.3 hPa (+0.8)47°F
PTWW1 - 9444900 - Port Townsend, WA 15 mi37 min SW 9.9 G 15 55°F 50°F1008.1 hPa
FRDW1 - 9449880 - Friday Harbor, WA 18 mi85 min Calm G 6 54°F 50°F1006.6 hPa
46088 - New Dungeness, WA (Hein Bank) 18 mi41 min W 19 G 23 53°F 49°F3 ft1006.4 hPa49°F
46125 30 mi26 min 3.9 54°F 1007.4 hPa50°F
46118 31 mi66 min SSW 18 56°F 1005.8 hPa50°F
PTAW1 - 9444090 - Port Angeles, WA 35 mi85 min W 5.1 G 8.9 54°F 50°F1008.1 hPa
CHYW1 - 9449424 - Cherry Point, WA 38 mi31 min 1006.6 hPa
CPMW1 38 mi37 min SSE 12 G 12 55°F 52°F
46120 45 mi29 min ENE 3.9 58°F 1006.8 hPa49°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, WA10 mi65 minWSW 810.00 miMostly Cloudy56°F46°F72%1008.7 hPa
Friday Harbor Airport, WA17 mi68 minWSW 710.00 miA Few Clouds54°F46°F75%1006.8 hPa
Burlington/Mount Vernon, Skagit Regional Airport, WA24 mi66 minSSW 710.00 miOvercast55°F48°F77%1007.8 hPa

Wind History from NUW (wind in knots)
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Last 24hrCalmS3CalmCalmCalmSW4SW5SW5SW8W6NW6W6SW10W9W11W8W8W9SW6SW8SW8S3W14SW8
1 day agoE6SE10SE10SE13
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SE10SE11E6SE4SE8SE9E8SE7S103N7NW9N8N7N7N9N8W6W3N3
2 days agoW15
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SW11SW12SW13SW7SW10SW9W7W10W9W11SW7SW7SW7W6SE54W5W6NW3CalmCalmSE4SE5

Tide / Current Tables for Smith Island, Washington
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Smith Island
Click for Map
Mon -- 04:38 AM PDT     6.53 feet High Tide
Mon -- 05:25 AM PDT     Sunrise
Mon -- 06:57 AM PDT     Moonset
Mon -- 11:18 AM PDT     -1.62 feet Low Tide
Mon -- 07:37 PM PDT     7.20 feet High Tide
Mon -- 08:50 PM PDT     Sunset
Mon -- 10:59 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.85.15.66.16.56.564.72.80.8-0.8-1.6-1.4-0.60.62.13.75.16.47.17.16.65.95.2

Tide / Current Tables for Smith Island, 1.4 miles SSW of, Washington Current
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Smith Island
Click for MapFlood direction 90 true
Ebb direction 280 true

Mon -- 01:47 AM PDT     0.00 knots Slack
Mon -- 03:55 AM PDT     0.39 knots Max Flood
Mon -- 05:25 AM PDT     Sunrise
Mon -- 06:14 AM PDT     -0.00 knots Slack
Mon -- 06:57 AM PDT     Moonset
Mon -- 10:25 AM PDT     -1.50 knots Max Ebb
Mon -- 01:35 PM PDT     0.01 knots Slack
Mon -- 04:55 PM PDT     1.20 knots Max Flood
Mon -- 08:48 PM PDT     -0.00 knots Slack
Mon -- 08:50 PM PDT     Sunset
Mon -- 10:59 PM PDT     Moonrise
Mon -- 11:41 PM PDT     -0.86 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.7-0.30.10.30.40.30.1-0.3-0.8-1.2-1.5-1.4-1.1-0.40.20.81.11.21.10.80.4-0.1-0.5-0.8

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Seattle, WA (3,6,7,8)
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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.