Monday, March30, 2020
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Marine Weather and Tides
Gig Harbor, WA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:51AMSunset 7:37PM Sunday March 29, 2020 9:21 PM PDT (04:21 UTC) Moonrise 8:35AMMoonset 12:00AM Illumination 35% Phase: Waxing Crescent; Moon at 6 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- 833 Pm Pdt Sun Mar 29 2020
.small craft advisory in effect through Monday afternoon...
Tonight..S wind 15 to 25 kt rising to 20 to 30 kt after midnight. Wind waves 3 to 5 ft. A chance of rain in the evening then rain after midnight.
Mon..SW wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain in the morning then showers and a slight chance of tstms in the afternoon.
Mon night..S wind 15 to 25 kt. Wind waves 2 to 4 ft. Showers and a slight chance of tstms.
Tue..S wind 15 to 25 kt. Wind waves 2 to 4 ft.
Tue night..SW wind 10 to 20 kt becoming 5 to 15 kt after midnight. Wind waves 1 to 3 ft.
Wed..Light wind. Wind waves less than 1 ft.
Wed night..Light wind. Wind waves less than 1 ft.
Thu..Light wind. Wind waves less than 1 ft.
Fri..Light wind. Wind waves less than 1 ft.
PZZ100 833 Pm Pdt Sun Mar 29 2020
Synopsis for the northern and central washington coastal and inland waters..A stronger system will move through the region tonight, bringing likely gales to the coastal waters and portions of the northern inland waters. Seas will build and remain elevated through mid-week with an arriving westerly swell.


7 Day Forecast for Marine Location Near Gig Harbor, WA
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location: 47.33, -122.57     debug


Area Discussion for - Seattle, WA
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FXUS66 KSEW 300333 AFDSEW

Area Forecast Discussion National Weather Service Seattle WA 833 PM PDT Sun Mar 29 2020

UPDATE. Scattered showers across the area this evening, especially along the coast and Southwest Interior. A stronger frontal system will move through Western Washington tonight into Monday for lowland rain, mountain snow, and locally windy conditions. Snow levels around 3500 feet into tonight will drop to 2000 feet into Monday. Southerly winds will be strongest late tonight into early Monday morning as the front moves through. Isolated thunderstorms will be possible Monday afternoon into the evening with the upper level trough aloft. Temperatures Monday across the area in the upper 40s. JD

SYNOPSIS. An unsettled pattern will continue for much of this week. Some showers linger this afternoon behind the earlier front, while a more organized system is offshore and quickly approaching the region. This more potent system will bring widespread lowland rain and heavy mountain snow into Monday. Shower chances will linger through the week in northwesterly flow aloft, but many locations - especially away from the mountains - likely remain mostly dry for much of the latter portions of the week.

SHORT TERM /TONIGHT THROUGH WEDNESDAY/. Scattered showers remain evident on radar this afternoon with a somewhat unstable, post- frontal air mass continuing to provide support for these showers. Despite marginal instability and decent surface heating, it seems the window for a few isolated lightning strikes is beginning to close for today. However, a few flashes across far southwestern Washington and east of the Cascades indicates there may be a short time for a strike or two from the strongest showers. Meanwhile snow levels are holding steady or slightly rising in the southwest flow, remaining mostly just above the Cascade passes with only occasional snow flurries reported.

An upstream upper level trough will continue to drop from the Gulf of Alaska down into the region tonight. The associated surface front will approach the coastal areas by late this evening, bringing a round of heavy precipitation across the region. As the front approaches, expect a boost in gusty southerly winds ahead of and along the boundary, with gusts to around 40 mph expected in the typically windy spots along the coast, north of Everett near the water, and around Admiralty Inlet. While a few isolated stronger gusts are possible, expect that they will be infrequent and not widespread or impactful enough to warrant a Wind Advisory.

Strong orographic support will maintain the highest precipitation amounts in the North Cascades around Mount Baker. As a result, have upgraded the Winter Storm Watch to a Warning for the North Cascades. Meanwhile, high end advisory amounts are expected in the remaining Cascades and in the Olympics, where the watch has been upgraded to a Winter Weather Advisory. Widespread showers remain in the post-frontal air mass on Monday into the afternoon and evening, with the potential for isolated thunderstorms remaining as lapse rates steepen with colder air aloft moving overhead. These heavy showers could also produce bursts of heavy snow in the mountains and local small hail in the lowlands. Given abundant available moisture and strong, convectively driven showers, lowland rain of a half inch to one inch is possible, with locally higher amounts along the coastal area.

The upper trough will linger near the region into Tuesday, with continued showers and marginal instability expected across the area. Snow levels will lower to around 1,500 feet or so, with additional snow possible in the mountains. While the QPF remains lower for Tuesday than Monday, there is some indication for another push of heavier showers in the mountains could add to the snow totals. Confidence remains a bit lower in the details concerning how much additional mountain snow will be added on Tuesday, though, so for now all advisories and warnings for snow end Tuesday morning. Showers decrease into Wednesday with the upper trough only gradually moving east of the area, but they will linger in the mountains. Temperatures remain fairly steady, holding a few degrees below seasonal normals. Cullen

LONG TERM /THURSDAY THROUGH SUNDAY/. While the previous upper trough finally advances, the next impulse approaches the region for Thursday and Friday. At this point, expect some showers to continue in the northwest flow aloft, especially in the mountains. While ensembles indicate a fairly large spread in the placement of the mean trough across the western U.S., it does seem likely that showers will become less frequent across Western Washington. As such, trended the forecast in this direction to reflect gradually warming temperatures into the weekend and low PoPs/QPF for the late stages of this week. Cullen

AVIATION. Southwesterly flow aloft as an upper level trough approaches the area. VFR cigs for most this evening with a few showers around, especially along the coast and Southwest Interior. A stronger, more organized frontal system will move through the area tonight into Monday. MVFR cigs for most by 09z as the rain moves through. Steady rain for the coastal sites between 05z-09z with rain gradually making its way into the Puget Sound by 07z. Rain to transition to scattered showers by afternoon with a few isolated thunderstorms possible. Southerly winds increasing tonight to 10-20 knots by the early Monday morning, gusts to 25-30 knots possible.

KSEA . VFR cigs this evening. MVFR cigs between 08z as a strong frontal system moves through. Steady rain at times late tonight through early Monday morning. Stronger winds with the front with southerlies increasing 10-20 knots tonight into Monday. Gusts to 25 knots possible with the strongest winds 09z-12z as the front moves across. JD

MARINE. A stronger front will move across the area tonight into Monday. Southerly gales for the coast, northern inland waters, and the Strait of Juan de Fuca tonight into Monday morning. Small Craft Advisory winds elsewhere as the front moves through. Winds will subside Monday night into Tuesday with seas building and remaining elevated over the coastal waters through mid-week with a system moves through the coast late week. JD

HYDROLOGY. No river flooding is expected through the next 7 days. While periods of heavy precipitation are expected in the next few days, snow levels will remain generally around 2,000 feet, which should preclude major hydrologic concerns. However, rises are expected on many rivers over the next few days.

SEW WATCHES/WARNINGS/ADVISORIES. WA . Winter Weather Advisory from 2 AM Monday to 11 AM PDT Tuesday for Cascades of Pierce and Lewis Counties-Cascades of Snohomish and King Counties.

Winter Storm Warning from 2 AM Monday to 11 AM PDT Tuesday for Cascades of Whatcom and Skagit Counties.

Winter Weather Advisory until 5 AM PDT Tuesday for Olympics.

PZ . Gale Warning until 8 AM PDT Monday 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 Warning until 8 AM PDT Monday for East Entrance U.S. Waters Strait Of Juan De Fuca-Northern Inland Waters Including The San Juan Islands.

Small Craft Advisory until 2 PM PDT Monday for Central U.S. Waters Strait Of Juan De Fuca-West Entrance U.S. Waters Strait Of Juan De Fuca.

Small Craft Advisory until 11 AM PDT Monday for Admiralty Inlet- Puget Sound and Hood Canal.



www.weather.gov/seattle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TCMW1 - 9446482 - Tacoma Met, WA 9 mi52 min SW 11 G 12
TCNW1 - 9446484 - Tacoma, WA 9 mi52 min 50°F 49°F1010.3 hPa
WPOW1 - West Point, WA 24 mi82 min SSW 12 G 15 49°F 1009.7 hPa (-0.9)44°F
46120 31 mi33 min S 5.8 49°F 1008.3 hPa42°F
46125 40 mi40 min 50°F 1007 hPa39°F

Wind History for Tacoma MET, WA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tacoma, Tacoma Narrows Airport, WA4 mi29 minN 010.00 miMostly Cloudy45°F43°F93%1009.6 hPa
Tacoma / McChord Air Force Base, WA13 mi84 minS 410.00 miMostly Cloudy48°F42°F79%1010.3 hPa
Bremerton, Bremerton National Airport, WA15 mi26 minSSW 710.00 miMostly Cloudy44°F42°F93%1009.4 hPa
Seattle, Seattle-Tacoma International Airport, WA16 mi29 minSSW 610.00 miOvercast48°F43°F83%1010.2 hPa
Fort Lewis / Gray U. S. Army Airfield, WA17 mi84 minSW 910.00 miMostly Cloudy50°F48°F93%1010.3 hPa
Boeing Field - King County International Airport, WA20 mi29 minSSW 510.00 miLight Rain49°F41°F74%1009.7 hPa
Renton Municipal Airport, WA22 mi29 minS 310.00 miLight Rain50°F41°F71%1010.2 hPa
Pierce County-Thun Field, WA22 mi27 minW 510.00 miOvercast48°F44°F87%1009.8 hPa

Link to 5 minute data for KTIW

Wind History from TIW (wind in knots)
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1 day agoSW7SW6S6S4S9SW9SW9SW7S7S7S6S7S4S7S14S11
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Tide / Current Tables for Gig Harbor, Washington
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Gig Harbor
Click for Map
Mon -- 01:14 AM PDT     Moonset
Mon -- 03:52 AM PDT     6.36 feet Low Tide
Mon -- 06:51 AM PDT     Sunrise
Mon -- 08:55 AM PDT     10.28 feet High Tide
Mon -- 10:10 AM PDT     Moonrise
Mon -- 04:16 PM PDT     0.57 feet Low Tide
Mon -- 07:38 PM PDT     Sunset
Mon -- 11:37 PM PDT     10.44 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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9.78.77.66.66.46.97.99.11010.39.88.66.94.931.40.60.92.13.9689.510.3

Tide / Current Tables for Gig Harbor Entrance, Washington Current
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Gig Harbor Entrance
Click for Map
Mon -- 01:14 AM PDT     Moonset
Mon -- 01:31 AM PDT     -0.75 knots Max Ebb
Mon -- 04:10 AM PDT     0.00 knots Slack
Mon -- 06:26 AM PDT     0.56 knots Max Flood
Mon -- 06:51 AM PDT     Sunrise
Mon -- 08:53 AM PDT     -0.01 knots Slack
Mon -- 10:10 AM PDT     Moonrise
Mon -- 01:17 PM PDT     -1.19 knots Max Ebb
Mon -- 04:06 PM PDT     0.00 knots Slack
Mon -- 07:10 PM PDT     1.04 knots Max Flood
Mon -- 07:38 PM PDT     Sunset
Mon -- 10:59 PM PDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.6-0.7-0.7-0.5-0.10.30.50.50.3-0.1-0.4-0.8-1.1-1.2-1.1-0.6-0.10.40.8110.70.3-0

Weather Map
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wmap_P
GEOS 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 (0,6,7,8)
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Ground Weather Radar Station Seattle/Tacoma, WA
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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 numerous 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.