Wednesday, July17, 2019 L-36.com


Marine Weather and Tides
Poulsbo, 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 5:28AMSunset 9:05PM Wednesday July 17, 2019 1:40 AM PDT (08:40 UTC) Moonrise 8:53PMMoonset 5:07AM Illumination 100% Phase: Full Moon; Moon at 15 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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PZZ135 Puget Sound And Hood Canal- 840 Pm Pdt Tue Jul 16 2019
.small craft advisory in effect from late tonight through Wednesday evening...
Tonight..NW wind 5 to 15 kt becoming S 10 to 20 kt after midnight. Wind waves 1 to 3 ft. A slight chance of showers.
Wed..S wind 15 to 25 kt. Wind waves 2 to 4 ft. A chance of rain.
Wed night..SW wind 15 to 25 kt easing to 10 to 20 kt after midnight. Wind waves 2 to 4 ft. A chance of showers.
Thu..S wind 5 to 15 kt becoming variable in the afternoon. Wind waves 2 ft or less.
Thu night..NW wind 5 to 15 kt becoming se to 10 kt after midnight. Wind waves 2 ft or less.
Fri..SW wind to 10 kt in the morning becoming light. Wind waves 1 ft or less.
Fri night..NW wind to 10 kt. Wind waves 1 ft or less.
Sat..Light wind. Wind waves less than 1 ft.
Sun..N wind to 10 kt. Wind waves 1 ft or less.
PZZ100 840 Pm Pdt Tue Jul 16 2019
Synopsis for the northern and central washington coastal and inland waters..A front will move through the area on Wednesday with small craft advisory strength southerly winds likely most waters. Westerly winds will increase behind the front with gales possible in the strait of juan de fuca Wednesday night. Weak high pressure will build toward the area over the weekend.


7 Day Forecast for Marine Location Near Poulsbo, WA
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location: 47.73, -122.64     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 170356
afdsew
area forecast discussion
national weather service seattle wa
900 pm pdt Tue jul 16 2019

Synopsis An organized frontal system approaching the area will
bring widespread precipitation Wednesday and showers Wednesday
night. Scattered showers will linger across the area Thursday and
Friday before dry and warmer weather return over the weekend through
the middle of next week.

Short term tonight through Friday A few isolated showers
lingering over the area this evening with increasing mid and high
level clouds ahead of an approaching frontal system. This system
will dig SE into the central and eastern gulf of alaska overnight
with warm frontal precipitation starting to work onto the north
washington coast early Wednesday morning. Relatively widespread
showers associated with the warm front will spread across western
and northern portions of the CWA through Wednesday morning. The
trailing cold front will follow quickly pushing another round of
organized precipitation from NW to SE through the day Wednesday.

Models continue to advertise shadowing downstream of the olympics -
mainly areas around puget sound, including the seattle metro area.

The frontal forcing will shift south of the area late Wednesday
afternoon leaving residual showers over much of the area. There
again remains some chance for the formation of a convergence zone
behind the front Wednesday evening, and with the onshore flow may
linger into Thursday morning. Scattered showers will linger into
Thursday especially over the north through the afternoon. The upper
level trough over western canada will shear apart and sag south
Thursday evening... Perhaps keeping a few showers around, then
trending drier into Friday as the flow aloft becomes more zonal.

Long term Saturday through Tuesday From previous
discussion... Over the last several days, model guidance had been
hinting at a fairly amplified ridge building into the pacific
northwest rather quickly to start the weekend. Latest trends now
argue to delay this pattern change. Weak ridging will still likely
build into the area on Saturday, allowing for a dry day, but better
amplification is now seen for Sunday. The ridge is expected to
develop as the central eastern us ridge retrogrades westwards and
builds into the rockies 4 corners area. This would then shift the
larger scale troughing offshore.

This ridge will then essentially act as a block in the synoptic
scale pattern and is expected to hold thru the middle of next
week. This would keep western washington dry with temperatures
returning back to the upper 70s to lower 80s. The trough may then
try to build back towards the area thereafter, but guidance not
returning any pops at this time.

Kovacik

Aviation Ceilings will fill back in overnight with lower cigs
likely late tonight ahead of an approaching frontal system. Ceilings
will remain fairly low through Wednesday with most areas remaining
MVFR with areas of ifr are likely with heavier rain. The mountains
will be obscured. Southwest flow aloft will increase into Wednesday
and surface winds will be breezy southerlies with the front.

Ksea... Ceilings will fill back in overnight and lower to MVFR levels
2500 to 3000 feet. A front will bring rain to the terminal by late
morning. Abundant moisture will likely keep ceilings at MVFR
levels through the day.

Marine A front will reach western washington on Wednesday and
south winds will pick up with that front with small craft advisory
strength winds likely most waters. There will be westerlies in the
strait of juan de fuca this evening, and then westerly gales are
likely Wednesday night behind the front. Onshore flow Thursday will
ease Friday and then the winds over the weekend should more typical
summertime diurnal sea-breezes.

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 3 am Wednesday to 6 am pdt Thursday
for coastal waters from CAPE flattery to james island 10 to
60 nm-coastal waters from CAPE flattery to james island out
10 nm-coastal waters from james island to point grenville
10 to 60 nm-coastal waters from james island to point
grenville out 10 nm-coastal waters from point grenville to
cape shoalwater 10 to 60 nm-coastal waters from point
grenville to CAPE shoalwater out 10 nm.

Gale watch from Wednesday evening through late Wednesday night
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 7 pm pdt
Wednesday for east entrance u.S. Waters strait of juan de
fuca.

Small craft advisory from 3 am to 11 pm pdt Wednesday for
northern inland waters including the san juan islands.

Small craft advisory from 6 pm this evening to 2 am pdt
Wednesday for central u.S. Waters strait of juan de fuca.

Small craft advisory from 5 am Wednesday to 2 am pdt Thursday
for admiralty inlet.

Small craft advisory from 5 am to 7 pm pdt Wednesday for puget
sound and hood canal.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPOW1 - West Point, WA 12 mi40 min S 11 G 12 62°F 1013.9 hPa (+0.0)56°F
46120 13 mi48 min SSE 1.9 60°F 1012.6 hPa56°F
PTWW1 - 9444900 - Port Townsend, WA 27 mi64 min SSE 5.1 G 6 61°F 52°F1013.9 hPa
46121 31 mi43 min 63°F 1014.2 hPa58°F
TCMW1 - 9446482 - Tacoma Met, WA 34 mi64 min SW 8.9 G 11
TCNW1 - 9446484 - Tacoma, WA 34 mi64 min 65°F 55°F1014.6 hPa
SISW1 - Smith Island, WA 42 mi50 min SSW 9.9 G 12 57°F 1013 hPa (-0.3)52°F

Wind History for Seattle, Puget Sound, WA, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bremerton, Bremerton National Airport, WA19 mi44 minSW 1010.00 miFair60°F55°F86%1015.3 hPa
Boeing Field - King County International Airport, WA23 mi47 minS 610.00 miOvercast65°F55°F70%1013.8 hPa
Everett Snohomish County, WA23 mi47 minE 310.00 miMostly Cloudy63°F53°F70%1013.8 hPa

Wind History from PWT (wind in knots)
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Last 24hrSE3CalmNE3E3CalmCalmNE33E4S4SW7556W4SW8S7SW12
G17
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1 day agoCalmCalmCalmCalmCalmCalmCalmSW4CalmS5S63SE5S7SW8SW6SW4--W5CalmCalmCalmCalmSE3
2 days agoCalmSE3CalmCalmCalmCalmSW433SW64--33NE6NW6NE6NE7NE5NE6NE4NE7NE7NE5

Tide / Current Tables for Poulsbo, Liberty Bay, Washington
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Poulsbo
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Wed -- 12:12 AM PDT     6.94 feet Low Tide
Wed -- 04:55 AM PDT     10.41 feet High Tide
Wed -- 05:29 AM PDT     Sunrise
Wed -- 06:07 AM PDT     Moonset
Wed -- 12:04 PM PDT     -1.69 feet Low Tide
Wed -- 07:42 PM PDT     12.25 feet High Tide
Wed -- 09:02 PM PDT     Sunset
Wed -- 09:52 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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77.289.110.110.49.98.56.43.81.2-0.9-1.7-1.10.63.26.18.910.91212.211.49.98.2

Tide / Current Tables for West Point, Seattle, 0.3 miles W of, Washington Current
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West Point
Click for Map
Wed -- 12:56 AM PDT     0.00 knots Slack
Wed -- 02:33 AM PDT     0.21 knots Max Flood
Wed -- 04:30 AM PDT     -0.00 knots Slack
Wed -- 05:29 AM PDT     Sunrise
Wed -- 06:07 AM PDT     Moonset
Wed -- 08:32 AM PDT     -1.02 knots Max Ebb
Wed -- 12:18 PM PDT     0.01 knots Slack
Wed -- 03:32 PM PDT     1.11 knots Max Flood
Wed -- 07:27 PM PDT     -0.00 knots Slack
Wed -- 09:02 PM PDT     Sunset
Wed -- 09:52 PM PDT     Moonrise
Wed -- 09:56 PM PDT     -0.61 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.200.20.20.1-0.1-0.5-0.8-1-1-0.8-0.5-0.10.40.81.11.10.90.60.2-0.2-0.5-0.6-0.5

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 (4,6,7,8)
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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.