Sunday, June16, 2019 L-36.com


Marine Weather and Tides
Friday Harbor, WA

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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 5:09AMSunset 9:19PM Sunday June 16, 2019 9:30 AM PDT (16:30 UTC) Moonrise 7:49PMMoonset 3:53AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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- 835 Am Pdt Sun Jun 16 2019
.small craft advisory in effect from 6 pm pdt this evening through late tonight...
Today..S wind to 10 kt becoming sw in the afternoon. Wind waves 1 ft or less.
Tonight..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Mon..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
Mon night..S wind 20 to 30 kt becoming sw 15 to 25 kt after midnight. Wind waves 3 to 5 ft.
Tue..W wind 10 to 20 kt becoming sw to 10 kt in the afternoon. Wind waves 1 to 3 ft subsiding to 1 ft or less in the afternoon.
Tue night..SW wind 15 to 25 kt. Wind waves 2 to 4 ft.
Wed..W wind 5 to 15 kt rising to 15 to 25 kt. Wind waves 2 ft or less building to 2 to 4 ft.
Thu..SW wind to 10 kt rising to 15 to 25 kt. Wind waves 1 ft or less building to 2 to 4 ft.
PZZ100 835 Am Pdt Sun Jun 16 2019
Synopsis for the northern and central washington coastal and inland waters..High pressure over the coastal waters with lower pressure inland will result in varying degrees of onshore flow through the middle of next week.


7 Day Forecast for Marine Location Near Friday Harbor town, WA
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location: 48.62, -123.15     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 161552
afdsew
area forecast discussion
national weather service seattle wa
900 am pdt Sun jun 16 2019

Synopsis Areas of morning clouds will give way to sunshine
again today and Monday. Tuesday will see more clouds and perhaps a
few showers or some morning drizzle. An upper trough will reach the
area after the middle of the week for a chance of showers at times.

Short term today through Tuesday Some low clouds are present
over portions of W wa this morning... Although coverage is nowhere
near what has been present the previous two days. Bulk of cloud
cover is concentrated along the coast... Over the SW interior and
along the sound. As such... Many temperature obs coming in a degree
or three warmer than this time yesterday... Which puts the area on
track with inherited forecast highs being a couple of degrees warmer
than yesterday.

Model discussion this morning will not be too different from past two
mornings given model consistency and generally boring weather
pattern. Upper level ridge will cross the area today keeping
conditions dry and warm. A very minor shortwave hot on its heels may
bring a slight chance of showers to the far northern cascades late
this afternoon into tonight but this feature moves out pretty
quickly to be of much... If any significance. Weaker ridging resumes
Monday with very little change in conditions. Tuesday sees a switch
as the area starts to feel the presence of an upper level low
approaching the area from northern bc. While conditions will remain
dry... Temperatures will fall to the lower 70s over the interior
lowlands... Lower 60s along the coast. All that said... Inherited
forecast looks good... No need for any morning updates. Smr

Long term Wednesday through Saturday From previous
discussion... The jetstream will be sagging south through the area
Tuesday night through Wednesday night. Cooler air aloft will arrive.

The ECMWF has a sharper upper trough through the area on Thursday
and might be the day with the best chance of showers.

Aviation Weak upper ridge moving east this morning with a
weak trough moving by to the north tonight. Another upper level
ridge will build offshore late tonight into Monday. Westerly flow
aloft becoming northwesterly overnight. Low level onshore
flow will continue through Monday.

Low level onshore is slightly weaker this morning and the marine
layer depth is shallower. That spells an earlier burn off for most
of the interior. Little to no clearing expected near the immediate
coast with onshore flow increasing through the day. Increasing
onshore flow will send stratus surging inland quicker tonight. That
will lead to widespread ifr or low MVFR ceilings across the area
from late tonight through at least midday Monday.

Ksea... Visible satellite imagery shows stratus has more or less
stopped its northward trek just to the north of ksea. We should see
it erode over the next couple hours with predominantlyVFR
conditions near or slightly after 17z. Stratus returns tonight
between 09z and 12z and is likely to be slightly higher and thicker.

Burnoff could take considerably longer on Monday. Surface winds
light and variable becoming w-nw 5 to 10 knots this afternoon and
evening. 27

Marine High pressure over the coastal waters with lower
pressure inland will result in varying degrees of onshore flow
through the week. Gale force westerlies are likely in the central
and eastern strait of juan de fuca in the evening through early
morning hours through Tuesday night. Small craft advisory winds in
the adjacent waters, admiralty inlet and northern inland waters
during the same time. Felton

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 6 pm pdt this evening for central
u.S. Waters strait of juan de fuca-east entrance u.S. Waters
strait of juan de fuca.

Gale warning from 6 pm this evening to 5 am pdt Monday for
central u.S. Waters strait of juan de fuca-east entrance u.S.

Waters strait of juan de fuca.

Small craft advisory from 6 pm this evening to 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
46088 - New Dungeness, WA (Hein Bank) 20 mi41 min W 3.9 G 5.8 53°F 51°F1 ft1017.6 hPa (+0.8)51°F
SISW1 - Smith Island, WA 27 mi41 min SW 13 G 15 52°F 1017.9 hPa (+0.0)49°F
46118 31 mi36 min S 14 56°F 1016.8 hPa54°F

Wind History for Friday Harbor, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Friday Harbor Airport, WA10 mi38 minSSE 310.00 miFair58°F52°F81%1018 hPa
Eastsound, Orcas Island Airport, WA15 mi36 minS 5 miFair57°F53°F88%1017.3 hPa

Wind History from FHR (wind in knots)
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Last 24hrSE4SE5SE6SE7SE8SE65SW8SW10S8S5CalmS4CalmCalmCalmCalmCalmCalmN3CalmCalmSE3S3
1 day ago6SW6SW8SE8SE7SE5SE55SW6SW6SW8SW4W4W4CalmCalmCalmCalmCalmCalmCalmCalmSE3E4
2 days agoSE6E7SE4SW6SE5E4SW9SW8SW12
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6W7CalmCalmCalmCalmCalmS65SW6S6

Tide / Current Tables for Roche Harbor, San Juan Island, Washington
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Roche Harbor
Click for Map
Sun -- 03:33 AM PDT     7.44 feet High Tide
Sun -- 04:52 AM PDT     Moonset
Sun -- 05:09 AM PDT     Sunrise
Sun -- 10:58 AM PDT     -1.61 feet Low Tide
Sun -- 06:44 PM PDT     7.62 feet High Tide
Sun -- 08:48 PM PDT     Moonrise
Sun -- 09:17 PM PDT     Sunset
Sun -- 11:25 PM PDT     5.65 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.86.46.97.47.46.95.73.91.8-0-1.2-1.6-1.2-0.11.43.14.86.47.47.67.26.665.7

Tide / Current Tables for Limestone Point, Spieden Channel, Washington Current
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Limestone Point
Click for MapFlood direction 85 true
Ebb direction 283 true

Sun -- 01:17 AM PDT     1.15 knots Max Flood
Sun -- 02:55 AM PDT     -0.00 knots Slack
Sun -- 04:52 AM PDT     Moonset
Sun -- 05:09 AM PDT     Sunrise
Sun -- 08:10 AM PDT     -4.58 knots Max Ebb
Sun -- 11:32 AM PDT     0.00 knots Slack
Sun -- 02:17 PM PDT     2.97 knots Max Flood
Sun -- 05:29 PM PDT     -0.00 knots Slack
Sun -- 08:48 PM PDT     Moonrise
Sun -- 09:16 PM PDT     Sunset
Sun -- 09:38 PM PDT     -2.64 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.41.10.9-0.1-1.2-2.4-3.5-4.2-4.6-4.3-3.2-1.30.82.32.92.820.7-0.6-1.6-2.2-2.6-2.6-2

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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Wind Forecast for Seattle, WA (12,3,4,5)
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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.