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Marine Weather and Tides
Version 3.4 |
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 5:21AM | Sunset 8:49PM | Tuesday May 21, 2019 4:29 PM PDT (23:29 UTC) | Moonrise 10:51PM | Moonset 6:41AM | Illumination 91% |  |
PZZ134 Admiralty Inlet- 252 Pm Pdt Tue May 21 2019
Tonight..NW wind 10 to 20 kt becoming variable to 10 kt after midnight. Wind waves 1 to 3 ft subsiding to 1 ft or less after midnight.
Wed..N wind to 10 kt becoming nw in the afternoon. Wind waves 1 ft or less.
Wed night..NW wind 5 to 15 kt becoming variable after midnight. Wind waves 2 ft or less.
Thu..Light wind becoming nw to 10 kt in the afternoon. Wind waves 1 ft or less.
Thu night..NW wind 5 to 15 kt becoming variable to 10 kt after midnight. Wind waves 2 ft or less.
Fri..SE wind 5 to 15 kt becoming to 10 kt in the afternoon. Wind waves 2 ft or less.
Fri night..SE wind to 10 kt becoming variable after midnight. Wind waves 1 ft or less.
Sat..Light wind becoming nw to 10 kt. Wind waves 1 ft or less.
Sun..NW wind to 10 kt becoming light. Wind waves 1 ft or less.
Tonight..NW wind 10 to 20 kt becoming variable to 10 kt after midnight. Wind waves 1 to 3 ft subsiding to 1 ft or less after midnight.
Wed..N wind to 10 kt becoming nw in the afternoon. Wind waves 1 ft or less.
Wed night..NW wind 5 to 15 kt becoming variable after midnight. Wind waves 2 ft or less.
Thu..Light wind becoming nw to 10 kt in the afternoon. Wind waves 1 ft or less.
Thu night..NW wind 5 to 15 kt becoming variable to 10 kt after midnight. Wind waves 2 ft or less.
Fri..SE wind 5 to 15 kt becoming to 10 kt in the afternoon. Wind waves 2 ft or less.
Fri night..SE wind to 10 kt becoming variable after midnight. Wind waves 1 ft or less.
Sat..Light wind becoming nw to 10 kt. Wind waves 1 ft or less.
Sun..NW wind to 10 kt becoming light. Wind waves 1 ft or less.
PZZ100 252 Pm Pdt Tue May 21 2019
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will increase this evening as a surface low moves inland. High pressure over the ne pacific will maintain onshore flow through the rest of the week.
Synopsis for the northern and central washington coastal and inland waters..Onshore flow will increase this evening as a surface low moves inland. High pressure over the ne pacific will maintain onshore flow through the rest of the week.
7 Day Forecast for Marine Location Near Silver Firs, WA
Hourly EDIT Helplocation: 47.88, -122.16 debug
Area Discussion for - Seattle, WA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus66 ksew 212247 afdsew area forecast discussion national weather service seattle wa 347 pm pdt Tue may 21 2019 Synopsis A trough over oregon will continue south overnight, bringing an end to residual showers tonight. Wednesday and Thursday will be drier as a pacific ridge tries to build east. Diurnal shower and isolated thunderstorm activity will be possible across the mountains each afternoon. The next shortwave will dive south from bc Friday, bringing a few extra showers to the area. As it continues south through the weekend, could see another mainly dry trend with showers confined to the higher terrain. Short term tonight through Friday An afternoon analysis of the water vapor satellite loop still depicts an expansive area of cyclonic flow, essentially from SE alaska through the western us, down the northern fringe of mexico and through the great plains. Two notable shortwave troughs still exist within the broader scale flow-one with a negative tilt across the southern plains lifting into the central plains (this is producing another round of severe weather across the lower and mid mississippi valley region), and another extending from the southern oregon coast into the great basin vicinity. The latter shortwave has been responsible for the early morning shower activity as well as the abundant cloud cover. Most of the morning shower activity has dissipated, however, the N NW flow has allowed for some orographic shower development across the olympics and cascades. These showers will continue through the evening hours before loss of daytime heating contributes to their demise. SPC mesoanalysis reveals weak instability across the area, with the highest values (still below 500 j kg) across the northern border. Although an isolated strike is not impossible through sunset, most of the activity will remain just showers. Most lowland locations will remain dry for the remainder of the day, with peaks of sun possible under mostly cloudy skies. By Wednesday morning, the oregon shortwave will continue to dig into southern california, while upstream plains shortwave meanders slowly north across the central plains. These waves will take on some fujiwara characteristics will reinforcing the longer wave trough across the western two-thirds of the country. As this occurs, a ridge across the pacific will try to build northeastward into western washington. Clearer skies than the previous few days can be expected across the lowlands with dry weather expected. The mountains will again see the chance for afternoon showers, and with better instability in place, a slightly better chance for isolated lightning strikes thunder exists. This convective activity will be diurnally driven so anticipate it will diminish after sunset. A very similar weather pattern will carry through Thursday, with a dry forecast for the lowlands and afternoon showers and thunderstorms for the mountains. Temps will warm back into the lower-mid 70s for the lowlands Wed and thurs. By Friday the next shortwave will drop south from british columbia. At this point in time it appears this system could bring a chance for more widespread shower activity to the local area compared to Wed and thurs. Will need to monitor thunder potential across the higher terrain given cooler mid level temps accompanying the low. Have kept a mention of showers for now, |
mainly for puget sound eastward. Temps cool back into the mid- upper 60s. Kovacik Long term Saturday through Tuesday As the shortwave from british columbia continues south into northern california on Saturday, it will become more amplified and again reinforce the larger scale western us trough. It again appears convection should be confined to the mountains on Saturday. Of course by Sunday we begin to see noticeable discrepancy between deterministic ecmwf and gfs. So after consulting ensemble data have leaned this forecast more towards the ECMWF as consensus for now is for a ridge to build in from the pacific as the california continues to dig southward. This would argue for a drier forecast. This trend could continue thru early next week. Kovacik Aviation An upper level low over the pac NW will slowly exit south tonight. Moisture is wrapping west into western wa with mainly isolated showers over the cascades. Ceilings are a mixed bag with pockets MVFR conditions. Expect mostly dry weather on Wednesday as weak high pressure moves in. 33 ksea... CIGS in the 2000-3000 ft range this evening, scattering out. N wind to 10 kt, becoming light and variable 09-12z. 33 Marine Onshore flow will increase this evening as low pressure shifts inland - small craft advisories are in effect. In addition, seas over the coastal waters will build to 10-12 feet. Winds through the strait of juan de fuca will ease late tonight. High pressure over the the NE pacific will maintain onshore flow through the remainder of the week. The outer coastal waters may see N NW gales on Friday. 33 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 5 am pdt Thursday for coastal waters from CAPE flattery to james island 10 to 60 nm-coastal waters from james island to point grenville 10 to 60 nm- coastal waters from point grenville to CAPE shoalwater 10 to 60 nm. Small craft advisory for rough bar until 11 pm pdt this evening for grays harbor bar. Small craft advisory until 5 am pdt Wednesday for coastal waters from CAPE flattery to james island out 10 nm-coastal waters from james island to point grenville out 10 nm-coastal waters from point grenville to CAPE shoalwater out 10 nm. Small craft advisory until 1 am pdt Wednesday 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-west entrance u.S. Waters strait of juan de fuca. |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| 46120 | 15 mi | 44 min | Calm | 55°F | 1007.7 hPa | 50°F | ||
| WPOW1 - West Point, WA | 21 mi | 90 min | N 12 G 12 | 55°F | 1008.6 hPa (+0.7) | 49°F | ||
| 46125 | 25 mi | 43 min | 12 | 56°F | 1008 hPa | 49°F | ||
| PTWW1 - 9444900 - Port Townsend, WA | 36 mi | 48 min | NW 7 G 8.9 | 60°F | 50°F | 1009.3 hPa | ||
| TCMW1 - 9446482 - Tacoma Met, WA | 44 mi | 48 min | N 7 G 12 | |||||
| TCNW1 - 9446484 - Tacoma, WA | 44 mi | 48 min | 60°F | 51°F | 1008.7 hPa | |||
| SISW1 - Smith Island, WA | 47 mi | 40 min | W 7 G 8.9 | 56°F | 1008.7 hPa (+0.3) | 47°F |
Wind History for Seattle, Puget Sound, WA, WA
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
| 1 day ago | ||||||||||||||||||||||||
| 2 days ago |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Everett Snohomish County, WA | 7 mi | 2.6 hrs | Var 6 | 10.00 mi | Overcast | 54°F | 50°F | 87% | 1008.6 hPa |
| Arlington Municipal Airport, WA | 20 mi | 2.6 hrs | WNW 11 | 10.00 mi | Overcast | 56°F | 51°F | 84% | 1008.9 hPa |
Wind History from PAE (wind in knots)
| 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | |
| Last 24hr | S | SW | S | S | SE | SE | SE | E | SE | Calm | Calm | Calm | Calm | N | Calm | Calm | N | N | NW | N | N | |||
| 1 day ago | NW | N | N | N | N | N | N | N | N | Calm | E | E | E | Calm | Calm | S | S | S | S | S | S | S | S | |
| 2 days ago | W | W | W | N | N | N | Calm | N | N | S | Calm | Calm | Calm | NW | N | N | N | N | NW | N |
Tide / Current Tables for Everett, Washington
EDIT Weekend mode (on/off) (on/off) Help One Week of DataEverett
Click for Map
Tue -- 01:20 AM PDT 6.28 feet Low Tide
Tue -- 05:23 AM PDT Sunrise
Tue -- 06:15 AM PDT 10.07 feet High Tide
Tue -- 07:40 AM PDT Moonset
Tue -- 01:22 PM PDT -1.77 feet Low Tide
Tue -- 08:48 PM PDT Sunset
Tue -- 08:53 PM PDT 11.52 feet High Tide
Tue -- 11:51 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 01:20 AM PDT 6.28 feet Low Tide
Tue -- 05:23 AM PDT Sunrise
Tue -- 06:15 AM PDT 10.07 feet High Tide
Tue -- 07:40 AM PDT Moonset
Tue -- 01:22 PM PDT -1.77 feet Low Tide
Tue -- 08:48 PM PDT Sunset
Tue -- 08:53 PM PDT 11.52 feet High Tide
Tue -- 11:51 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 7.1 | 6.3 | 6.5 | 7.2 | 8.4 | 9.5 | 10 | 9.8 | 8.7 | 6.8 | 4.3 | 1.7 | -0.5 | -1.7 | -1.5 | -0.1 | 2.2 | 5 | 7.7 | 9.9 | 11.2 | 11.5 | 11 | 9.8 |
Tide / Current Tables for President Point, 1.5 mile E of, Washington Current
EDIT (on/off) Help One Week of DataPresident Point
Click for MapFlood direction 203° true
Ebb direction 24° true
Tue -- 02:50 AM PDT 0.00 knots Slack
Tue -- 03:56 AM PDT 0.14 knots Max Flood
Tue -- 05:24 AM PDT Sunrise
Tue -- 06:15 AM PDT -0.00 knots Slack
Tue -- 07:42 AM PDT Moonset
Tue -- 09:58 AM PDT -0.70 knots Max Ebb
Tue -- 02:21 PM PDT 0.01 knots Slack
Tue -- 04:57 PM PDT 0.57 knots Max Flood
Tue -- 08:48 PM PDT Sunset
Tue -- 09:04 PM PDT -0.00 knots Slack
Tue -- 11:23 PM PDT -0.41 knots Max Ebb
Tue -- 11:51 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for MapFlood direction 203° true
Ebb direction 24° true
Tue -- 02:50 AM PDT 0.00 knots Slack
Tue -- 03:56 AM PDT 0.14 knots Max Flood
Tue -- 05:24 AM PDT Sunrise
Tue -- 06:15 AM PDT -0.00 knots Slack
Tue -- 07:42 AM PDT Moonset
Tue -- 09:58 AM PDT -0.70 knots Max Ebb
Tue -- 02:21 PM PDT 0.01 knots Slack
Tue -- 04:57 PM PDT 0.57 knots Max Flood
Tue -- 08:48 PM PDT Sunset
Tue -- 09:04 PM PDT -0.00 knots Slack
Tue -- 11:23 PM PDT -0.41 knots Max Ebb
Tue -- 11:51 PM PDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| -0.4 | -0.2 | -0.1 | 0 | 0.1 | 0.1 | 0 | -0.2 | -0.4 | -0.6 | -0.7 | -0.7 | -0.5 | -0.3 | -0.1 | 0.2 | 0.5 | 0.6 | 0.5 | 0.4 | 0.2 | 0 | -0.2 | -0.4 |
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.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Seattle, WA (19,4,5,8)
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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. |