Thursday, February21, 2019 L-36.com


Marine Weather and Tides
Bellingham, 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 7:05AMSunset 5:41PM Thursday February 21, 2019 7:29 AM PST (15:29 UTC) Moonrise 8:39PMMoonset 8:34AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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- 241 Am Pst Thu Feb 21 2019
.small craft advisory in effect until noon pst today...
Today..NE wind 15 to 25 kt becoming N 5 to 15 kt in the afternoon. Wind waves 2 to 4 ft subsiding to 2 ft or less in the afternoon.
Tonight..E wind to 10 kt becoming S 15 to 25 kt after midnight. Wind waves 1 ft or less building to 2 to 4 ft after midnight.
Fri..S wind 20 to 30 kt. Wind waves 3 to 5 ft. A chance of rain.
Fri night..W wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Sat..S wind 5 to 15 kt becoming se to 10 kt in the afternoon. Wind waves 2 ft or less.
Sat night..E wind to 10 kt rising to 15 to 25 kt after midnight. Wind waves 1 ft or less building to 2 to 4 ft after midnight.
Sun..NE wind 15 to 25 kt. Wind waves 2 to 4 ft.
Mon..NE wind 20 to 30 kt easing to 15 to 25 kt. Wind waves 2 to 5 ft.
PZZ100 241 Am Pst Thu Feb 21 2019
Synopsis for the northern and central washington coastal and inland waters..North to northeast offshore flow will ease today and turn southerly tonight as a front approaches. The front will move through western washington on Friday. A weak low over haida gwaii will move to oregon Saturday and Saturday night. Northeasterly offshore flow will develop Saturday night and continue into early next week with high pressure over british columbia and lower pressure south of washington.


7 Day Forecast for Marine Location Near Bellingham, WA
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location: 48.75, -122.5     debug


Area Discussion for - Seattle, WA
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Fxus66 ksew 211107
afdsew
area forecast discussion
national weather service seattle wa
306 am pst Thu feb 21 2019

Synopsis Upper level ridging with dry northerly flow aloft will
continue today. A frontal system will arrive from the northwest on
Friday. A cool upper trough will follow the front for the weekend
into the early part of next week. Low snow levels will continue
through the period.

Short term today through Sunday Current obs over the area
showing the majority of temps at the time of this writing generally
right around or just below freezing... With some exceptions such as
tacoma... Seattle... And many island locations... All sitting in the
upper 30s. SW interior sites such as olympia and chehalis are
reporting low level stratus... But no fog development just yet nor
any reductions in visibility. Will leave freezing fog in the
forecast for this area as the potential still exists for it to
develop within the next few hours.

One more dry day looks to be on tap for today as the upper level
ridge will pass through W wa today. The leading edge of the next
frontal system looks to hold off until early Friday morning with
best threat of widespread precip waiting until the late morning to
afternoon hours. Interior snow levels will be pretty low during the
morning hours... So any precip that kicks off early will likely be
snow or a rain snow mix. As already mentioned however... Lowland
amounts during this time period are expected to be light. By the
time pops climb into likely category... Snow levels will have jumped
to or near 1000 ft... Almost 2000 ft along the coast... And as such
remainder of precip expected to fall as rain. The front moves on
Friday night but a broad area of upper level low pressure will
remain... Keeping an active... Showery period over the CWA for the
bulk of the weekend. As the core upper level low finally approaches
the area Sunday... The system looks to stall. This will keep the
prospect for showers in the forecast for the bulk of the
cwa... However model disagreement on the actual position of the low
may allow for the northernmost quarter of the CWA to meet with dry
conditions. Given model disagreement... Confidence in this is fairly
low... But no harm in positive thinking at this point in the winter.

Snow levels during the short term will oscillate between 1000-2000 ft
during the day and 500 ft to near sea level during the overnight
hours. As such... The threat for snow or mixed precip never really
goes away. The plus side of this is that any lowland snow that does
occur will be minimal with not much in the way of accumulations
expected... And any localized accumulations that do occur will be
gone by mid to late afternoon. Adding more proof to minimizing any
snow threat will be both high and low temps throughout the
period... With highs in the low 40s and overnight morning lows either
right around freezing or 2-3 degrees above. At the very least... One
can surmise that the gradual march into... Well... March may finally
be taking a bit of the sting out of our lingering winter weather. Smr

Long term Monday through Thursday Models fall seriously out of
sync for Monday... As the ECMWF takes the upper low out into the
pacific and allows for a minor upper level ridge to take root Monday
into Tuesday. The GFS shows this happening too... Just almost 24
hours later than its euro counterpart. And the current runs remain
out of phase like this for the remainder of the forecast
period... Although... Again... Their general patterns remain fairly
similar... Generally dry conditions early next week followed by a
return to active weather offset by a gradual climb in snow levels
and daytime highs during the middle of the week. Needless to
say... Even though specifics are hard to come by and confidence
remains low... The general trend seems to show that any future
lowland appearances of that other four letter S word... Snow... May
have to wait until next winter. Smr

Aviation Northerly flow aloft over the region today as weak upper
ridging centered well offshore pushes into the area. The air mass is
generally dry except for some patchy low level moisture. The flow
aloft will back to west-northwest tonight as another upper trough
slides down the british columbia coast toward western washington.

Except for some patchy areas of MVFR low clouds this morning,VFR is
expected across the region today. High and mid level moisture will
begin to increase tonight ahead of the next system. N-ne surface
winds will weaken this evening and back to southerly early Friday am.

Ksea... Some patches of stratocumulus in the vicinity of the terminal
for some possible bkn020-030 until around sunrise, then expecting
vfr the remainder of the day. High and mid-level clouds increase
tonight and lower to MVFR toward 15-18z Friday as rain spreads into
the area with the next frontal system. Surface winds n-ne 4 to 8
knots today shifting to southerly near or after 06z tonight. 27

Marine Northeasterly offshore flow will ease this afternoon
and turn southerly tonight as high pressure over british columbia
shifts to the southeast and a front approaches from the northwest.

West swell 10-12 feet will subside this afternoon and evening.

The aforementioned frontal system will move through the area on
Friday. A trailing weak low over haida gwaii will move to oregon
Saturday and Saturday night.

Northeasterly offshore flow will develop on Sunday and continue into
Monday with high pressure over british columbia and low pressure
over oregon. Schneider

Hydrology River flooding is not expected for the next 7 days.

Sew watches warnings advisories
Wa... None.

Pz... Pz... Small craft advisory for hazardous seas until 6 pm pst this
evening 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.

Small craft advisory for rough bar until 8 pm pst this evening
for grays harbor bar.

Small craft advisory until noon pst today for central u.S.

Waters strait of juan de fuca-east entrance u.S. Waters
strait of juan de fuca-northern inland waters including the
san juan islands.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46118 4 mi95 min NNE 12 37°F 1019.2 hPa26°F
CHYW1 - 9449424 - Cherry Point, WA 16 mi42 min 1020.6 hPa
CPMW1 16 mi48 min NE 7 G 9.9 36°F 45°F
PBFW1 - Padilla Bay Reserve, WA 20 mi60 min ENE 1.9 30°F 1020 hPa26°F
FRDW1 - 9449880 - Friday Harbor, WA 31 mi54 min Calm G 5.1 37°F 46°F1020.3 hPa
SISW1 - Smith Island, WA 34 mi40 min NE 16 G 18 40°F 1019.8 hPa (+0.9)26°F
46088 - New Dungeness, WA (Hein Bank) 45 mi40 min NNW 12 G 16 41°F 46°F1 ft1020 hPa (+0.8)33°F
PTWW1 - 9444900 - Port Townsend, WA 46 mi48 min WNW 1.9 G 5.1 38°F 46°F1020.6 hPa

Wind History for Cherry Point South Dock, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bellingham, Bellingham International Airport, WA3 mi37 minN 710.00 miFair31°F21°F67%1021 hPa
Burlington/Mount Vernon, Skagit Regional Airport, WA20 mi35 minNE 610.00 miFair28°F26°F93%1020.3 hPa
Eastsound, Orcas Island Airport, WA21 mi35 minVar 510.00 miFair39°F24°F56%1020.3 hPa

Wind History from BLI (wind in knots)
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Last 24hrNE5N6NE8N7N8N5NW8NW6N6NW5CalmN4N3NW7NW5N7N7N8NW5N6N3N9N8N7
1 day agoN3CalmSE6S7S9SE10S11S9
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S13SE3S4SE4NW4W4CalmCalm--CalmN4N6N5N5
2 days agoN4N4N4N4NE3N4N65N6N4N4N3CalmCalmCalmCalmCalmCalmN3CalmCalmCalmN3N3

Tide / Current Tables for Bellingham, Washington (2)
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Bellingham
Click for Map
Thu -- 06:47 AM PST     2.85 meters High Tide
Thu -- 07:07 AM PST     Sunrise
Thu -- 08:33 AM PST     Moonset
Thu -- 12:37 PM PST     1.18 meters Low Tide
Thu -- 05:40 PM PST     Sunset
Thu -- 05:57 PM PST     2.39 meters High Tide
Thu -- 08:39 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.20.10.51.21.92.42.82.82.72.31.91.51.21.21.41.722.32.42.31.91.40.90.4

Tide / Current Tables for Sinclair Island, 1 mile NE of, Washington Current
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Sinclair Island
Click for MapFlood direction 307 true
Ebb direction 112 true

Thu -- 01:51 AM PST     0.00 knots Slack
Thu -- 04:44 AM PST     0.24 knots Max Flood
Thu -- 06:45 AM PST     -0.00 knots Slack
Thu -- 07:07 AM PST     Sunrise
Thu -- 08:34 AM PST     Moonset
Thu -- 11:24 AM PST     -0.95 knots Max Ebb
Thu -- 02:44 PM PST     0.00 knots Slack
Thu -- 04:55 PM PST     0.13 knots Max Flood
Thu -- 05:41 PM PST     Sunset
Thu -- 05:55 PM PST     -0.00 knots Slack
Thu -- 08:40 PM PST     Moonrise
Thu -- 11:18 PM PST     -1.09 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.9-0.400.10.20.20.1-0.1-0.4-0.6-0.8-0.9-0.9-0.6-0.300.10.1-0-0.3-0.6-0.8-1-1.1

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 (10,2,3,4)
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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.