Saturday, November18, 2017 L-36.com


Marine Weather and Tides
Brinnon, WA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:20AMSunset 4:31PM Saturday November 18, 2017 12:05 AM PST (08:05 UTC) Moonrise 7:17AMMoonset 5:12PM Illumination 0% Phase: New Moon; Moon at 29 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- 832 Pm Pst Fri Nov 17 2017
.small craft advisory in effect from Saturday morning through Saturday afternoon...
Tonight..S wind 5 to 15 kt becoming 10 to 20 kt after midnight. Wind waves 1 to 3 ft. A slight chance of showers.
Sat..S wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. Wind waves 2 to 4 ft.
Sat night..S wind 10 to 20 kt rising to 15 to 25 kt after midnight. Wind waves 2 to 4 ft. A chance of rain after midnight.
Sun..S wind 20 to 30 kt. Wind waves 3 to 5 ft.
Sun night..SW wind 10 to 20 kt easing to 10 kt after midnight. Wind waves 1 to 3 ft subsiding to 1 ft or less after midnight.
Mon..N wind to 10 kt in the morning becoming light. Wind waves 1 ft or less.
Mon night..Light wind. Wind waves less than 1 ft.
Tue..Light wind becoming se 10 to 20 kt. Wind waves less than 1 ft becoming 1 to 3 ft.
Wed..S wind 10 to 20 kt. Wind waves 1 to 3 ft.
PZZ100 832 Pm Pst Fri Nov 17 2017
Synopsis for the northern and central washington coastal and inland waters..A cold front will move southeast along the british columbia coast through Saturday night, then move through the washington waters on Sunday. The front will be preceded by increasing s-se wind, with gales expected over much of the waters before frontal passage later Sunday. A high pressure center will pass across the waters on Monday. A strong warm front will push northward through the waters on Tuesday. A strong low pressure center should move north well offshore to near haida gwaii on Wednesday.

7 Day Forecast for Marine Location Near Brinnon, WA
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location: 47.67, -122.91     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 180520
afdsew
area forecast discussion
national weather service seattle wa
900 pm pst Fri nov 17 2017

Synopsis Weak high pressure will be over the area tonight and
Saturday. A strong front will reach the area Sunday--heavy rain
is likely in the olympics, and windy weather is possible for some
areas. Periods of wet weather with rather mild temperatures are
likely next week--with windy conditions possible at times.

Short term Current radar loop shows some spotty light showers
around. Models show warm air advection tonight and Saturday ahead of
the next system. This will keep some light rain around but should
lift north into b.C. By Saturday morning. Winds will pick up over
the coastal waters Saturday, and windy conditions are expected
across the entire area Sunday. Models differ on the strength of the
cold front approaching Sunday. The gfs20 shows much more surface
development along the front but other models such as the 12z ecmwf
are not as intense. Wind advisory criteria winds are likely over the
north interior and probably the coast. Puget sound may not be as
windy but it will depend on where or if a meso low forms in the lee
of the olympics.

Strong flow will produce heaviest rain amounts over the south slopes
of the olympics. See the hydro discussion below and refer to the
latest flood statement. The lowlands could get up to an inch but
very little rain will fall where rain shadowing occurs in the lee of
the olympics. Rain should ease off by Monday which is reflected in
the current forecast. Mercer

Long term From previous discussion... The front that moves through
western washington Sunday afternoon will be over northern california
and oregon later Sunday night and Monday morning. The GFS shows a
dry day for western washington on Monday. Rain moves back into
western washington Tuesday afternoon and evening. The heavier rain
shifts to the b.C. Coast and vancouver island for Wednesday and
Wednesday night then back down through the area Thursday. It will
become unusually mild--the 700mb temp will rise to around 0c and
850mb temps will peak around +9c. That does not bode well for the
ski areas by the middle of next week. The good news is that the
models do not have especially heavy rain, but that might change
again and bears watching.

Aviation A flat upper ridge centered over the washington
coastal waters will shift into eastern washington Saturday
afternoon and evening. A strong and wet cold front will sag
southeast through british columbia on Saturday and will enter the
area from the northwest Saturday evening. Moderate westerly flow
aloft. The air mass is moist and somewhat unstable, except
somewhat drier over the interior lowlands to the lee of the
olympics and terrain of vancouver island. The air mass will become
increasingly stable later tonight into Saturday.

Scattered convective showers are affecting the washington coastal
waters and coastal zones and the interior lowlands from about kshn
and kolm southward. The showers will gradually decrease in both
coverage and intensity overnight. Conditions are generallyVFR,
with MVFR ceilings in showers. The low level air mass is moist
enough that MVFR ceilings with bases 010-020 will become more
widespread after 06z with diurnal cooling. The lower levels are
expected to dry somewhat Saturday morning as the upper level ridge
shifts overhead then to the east of the area. Albrecht
ksea... South wind 9-13 kt this evening will ease to 7-10 kt late
tonight and Saturday morning then rise to 9-14 kt with gusts 18-22
kt midday Saturday. GoodVFR this evening with CIGS near 030
developing about 06z and continuing through early Saturday
morning. There is a 30-40 percent chance that CIGS will remain
better than indicated in the current TAF as westerly flow aloft
interacts with the olympics. Albrecht

Marine A strong cold front extending wsw from haida gwaii into
the pacific will slowly drag southeast down the british columbia
coastline tonight through Sunday, then will move southeast through
the waters Sunday evening. Winds will gradually increase from the
south and southeast ahead of the front late tonight into Saturday
night with gales expected over most of the waters Saturday night.

Winds will rapidly ease behind the front Sunday night.

High pressure will bring light winds to the waters on Monday. A
strong warm front will push northward through the waters on
Tuesday. A strong low pressure center developing well offshore
will push northeast into haida gwaii on Wednesday. Albrecht

Hydrology Heavy rain will fall in the olympics on Sunday driving
the skokomish river in mason county to near or above flood stage. A
flood watch remains in effect for mason county. Other rivers should
not experience flooding with the Sunday system.

Mild wet weather is likely from about Tuesday afternoon through
about Thursday of next week. The skokomish river will again be at
risk of flooding. Other rivers need to be watched but the threat
of flooding is low.

Sew watches warnings advisories
Wa... Flood watch from Sunday morning through Monday morning for hood
canal area-lower chehalis valley area-olympics.

Pz... Small craft advisory from 3 am to 3 pm pst Saturday 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.

Gale warning from 3 pm Saturday to 3 pm pst Sunday for coastal
waters from point grenville to CAPE shoalwater 10 to 60 nm.

Gale warning from 3 pm Saturday to noon pst Sunday 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.

Small craft advisory from 9 am to 6 pm pst Saturday for coastal
waters from point grenville to CAPE shoalwater out 10 nm.

Gale warning from 6 pm Saturday to 3 pm pst Sunday for admiralty
inlet-coastal waters from point grenville to cape
shoalwater out 10 nm-east entrance u.S. Waters strait of
juan de fuca-northern inland waters including the san juan
islands.

Small craft advisory from 3 am to 6 pm pst Saturday for east
entrance u.S. Waters strait of juan de fuca.

Small craft advisory from midnight tonight to 6 pm pst Saturday
for northern inland waters including the san juan islands.

Small craft advisory from 6 am to 6 pm pst Saturday for
admiralty inlet-west entrance u.S. Waters strait of juan de
fuca.

Gale warning from 6 pm Saturday to noon pst Sunday for west
entrance u.S. Waters strait of juan de fuca.

Small craft advisory from 9 am to 3 pm pst Saturday 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 25 mi66 min S 19 G 22 47°F 1026 hPa (+0.9)42°F
46120 28 mi38 min WSW 14 47°F 1025.8 hPa43°F
46121 29 mi40 min 9.7 46°F 1026.3 hPa42°F
SISW1 - Smith Island, WA 45 mi66 min SE 9.9 G 11 45°F 1025.2 hPa (+0.9)

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, WA15 mi70 minSSW 410.00 miMostly Cloudy41°F39°F96%1027.8 hPa

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Last 24hrS9S7SW3SW6S4SW4SW4S4SW8SW8SW7SW11SW13SW10S7
G14
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1 day agoSW10SW11SW9W7S9SW7S6S8SW10SW7S11SW6SW10S7SW5S7S8S6S8SW9S11SW10S12S9
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Tide / Current Tables for Pleasant Harbor, Washington
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Pleasant Harbor
Click for Map
Sat -- 03:42 AM PST     New Moon
Sat -- 05:12 AM PST     11.28 feet High Tide
Sat -- 07:16 AM PST     Moonrise
Sat -- 07:22 AM PST     Sunrise
Sat -- 10:47 AM PST     6.13 feet Low Tide
Sat -- 03:44 PM PST     10.91 feet High Tide
Sat -- 04:31 PM PST     Sunset
Sat -- 05:12 PM PST     Moonset
Sat -- 10:49 PM PST     -0.91 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.33.86.6910.611.311.110.28.87.46.46.16.889.510.610.910.28.66.33.71.2-0.5-0.9

Tide / Current Tables for The Great Bend, Washington Current
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The Great Bend
Click for Map
Sat -- 01:17 AM PST     0.76 knots Max Flood
Sat -- 03:42 AM PST     New Moon
Sat -- 05:37 AM PST     -0.00 knots Slack
Sat -- 07:16 AM PST     Moonrise
Sat -- 07:21 AM PST     Sunrise
Sat -- 07:46 AM PST     -0.43 knots Max Ebb
Sat -- 11:59 AM PST     0.00 knots Slack
Sat -- 12:59 PM PST     0.30 knots Max Flood
Sat -- 04:04 PM PST     -0.00 knots Slack
Sat -- 04:30 PM PST     Sunset
Sat -- 05:12 PM PST     Moonset
Sat -- 07:24 PM PST     -0.69 knots Max Ebb
Sat -- 11:55 PM PST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.40.70.70.60.40.2-0.1-0.4-0.4-0.4-0.3-0.100.30.30.20-0.2-0.5-0.7-0.7-0.6-0.4-0.2

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Seattle, WA (3,6,7,8)
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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.