Sunday, July22, 2018 L-36.com


Marine Weather and Tides
Gulfport, FL

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What's New / NOTES
7/21/2018 Trying to make page Mobile Friendly

Sunrise 6:47AMSunset 8:26PM Sunday July 22, 2018 8:47 AM EDT (12:47 UTC) Moonrise 3:22PMMoonset 1:46AM Illumination 71% Phase: Waxing Gibbous; Moon at 9 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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GMZ830 Tampa Bay Waters- 416 Am Edt Sun Jul 22 2018
Today..West winds around 15 knots. Bay and inland waters a moderate chop. Scattered Thunderstorms.
Tonight..West winds around 15 knots diminishing to 5 to 10 knots late in the evening, then becoming southwest after midnight. Bay and inland waters a moderate chop. Scattered Thunderstorms.
Monday..West winds around 15 knots. Bay and inland waters a moderate chop. Numerous showers and scattered Thunderstorms.
Monday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Tuesday..Southwest winds 5 to 10 knots increasing to around 15 knots late in the afternoon. Bay and inland waters a moderate chop. Numerous showers and scattered Thunderstorms.
Tuesday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Numerous showers in the evening. Scattered Thunderstorms.
Wednesday..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
Wednesday night..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms in the evening, then isolated Thunderstorms after midnight.
Thursday..Southwest winds around 10 knots. Bay and inland waters a light chop. Scattered Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 416 Am Edt Sun Jul 22 2018
Synopsis..A trough of low pressure to the north and a ridge of high pressure to the south will combine to produce increasingly westerly winds today...with small craft advisory level winds expected north of tarpon springs, and cautionary level conditions expected over the gulf waters between englewood and tarpon springs. Cautionary to advisory level conditions will continue through Monday, with winds and seas expected to subside Monday night through much of the week as the area of low pressure to the north of the waters dissipates.

7 Day Forecast for Marine Location Near Gulfport, FL
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location: 27.74, -82.69     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 221202
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
802 am edt Sun jul 22 2018

Aviation
GenerallyVFR conditions will persist through the forecast
period. We will remain dry for all TAF sites during the
morning hours but thunderstorm chances will be starting by
around 18z and will start north and move south. A shortwave
moving through will help to keep thunderstorm chances
through the overnight hours.

Prev discussion issued 408 am edt Sun jul 22 2018
short term (today - Monday)...

a broad upper mid level trough of low pressure over the
eastern us is cut off from the main flow, causing it to
generally hold in place today and Monday while slowly
amplifying. The surface reflection is also sprawled across
the eastern us, and will gradually expand south into
northern florida today and tonight, increasing the pressure
gradient between it and the surface ridge across the
southern gulf, increasing the westerly flow. This breezy
onshore flow will cause a high risk of rip currents along
area beaches today and Monday.

Showers have been slower to develop over the gulf this
morning than in previous days, but with precipitable water
values remaining around two inches, scattered showers are
expected to expand in coverage over the eastern gulf through
sunrise and will continually move onshore through the
morning hours. As surface heating takes over through the
late morning and afternoon, scattered to numerous
thunderstorms will develop across the area once again. The
main area of concern will be over the nature coast, which
could see some stronger storms this afternoon and evening as
convection to the north of the area sends outflow
boundaries into the region. Damaging wind gusts will be the
primary hazard, but the possibility exists for training
storms moving onshore and causing high rain totals and
localized flooding, mostly along the coast of the nature
coast counties.

Tonight and Monday, the area of low pressure both at the
surface and aloft will extend farther south into northern
florida, with the breezy west wind continuing. Scattered to
numerous showers and thunderstorms will still be possible
overnight moving onshore from the gulf. A weak frontal
boundary associated with the advancing low pressure will
push the axis of highest moisture through the interstate 4
corridor during the morning and into southwest florida
during the afternoon, with numerous thunderstorms
continuing.

Long term (Monday night - Saturday)...

the mid level cutoff low over the southeastern CONUS and
northeastern gulf of mexico will gradually open up through
mid week and be absorbed into a trough swinging through the
great lakes during the second half of the week. At the
surface, the area of low pressure over northern florida will
gradually dissipate Tuesday and Wednesday, with the
subtropical ridge building back into southern florida from
the atlantic late in the week. This pattern will continue to
support light westerly to southwesterly flow through
Thursday, then more southerly flow Friday and Saturday as
the ridge builds in.

Through Thursday, this pattern will produce morning showers
and storms developing over the eastern gulf and moving
onshore, with scattered to numerous thunderstorms building
through the late morning and afternoon hours before
gradually dissipating through the evening. With more
variable flow Friday and Saturday, a more typical summer
pattern is expected, with mainly afternoon thunderstorms
developing across the area.

Marine...

westerly flow will continue between a broad area of low
pressure over the southeastern states and a ridge of high
pressure across the southern gulf of mexico. As the area of
low pressure sinks farther south towards the eastern gulf,
wind speeds will increase to around 20 knots, producing low
end advisory level conditions today. Cautionary to possibly
advisory level winds will continue into Monday afternoon
before gradually subsiding Monday night as the pressure
gradient relaxes. West winds around 15 knots or less will
continue through the rest of the week. Otherwise, higher
winds and seas will be possible in daily showers and
thunderstorms, producing locally hazardous marine
conditions.

Fire weather...

relative humidity will remain well above critical thresholds
though the forecast period.

Preliminary point temps pops
Tpa 89 80 88 78 40 50 60 40
fmy 90 79 90 77 40 50 60 40
gif 91 77 89 75 40 40 60 30
srq 90 82 89 78 30 50 60 50
bkv 90 77 89 74 60 60 60 40
spg 88 80 87 78 40 50 60 50

Tbw watches warnings advisories
Fl... High rip current risk through Monday evening for coastal
charlotte-coastal hillsborough-coastal lee-coastal
manatee-coastal sarasota-pinellas.

Beach hazards statement through Monday evening for coastal
charlotte-coastal sarasota.

Gulf waters... Small craft advisory until 10 pm edt this evening for
coastal waters from tarpon springs to suwannee river
fl out 20 nm-waters from tarpon springs to suwannee
river fl out 20 to 60 nm.

Short term aviation marine fire weather... 27 shiveley
mid term long term decision support... 05 carlisle


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CLBF1 0 mi53 min W 14 G 19 89°F 1012.5 hPa
SAPF1 - 8726520 - St. Petersburg, FL 4 mi41 min W 8 G 11 85°F 87°F1013.4 hPa
MTBF1 7 mi35 min W 16 G 17 85°F 1013.6 hPa78°F
PMAF1 10 mi35 min 85°F 86°F1013.6 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 11 mi29 min W 8.9 G 12 85°F 87°F1013.6 hPa
42098 16 mi47 min 87°F4 ft
MCYF1 18 mi35 min 87°F
CWBF1 - 8726724 - Clearwater Beach, FL 18 mi35 min W 17 G 19 85°F 86°F1013.6 hPa
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 19 mi41 min SW 2.9 G 6
TSHF1 - 8726667 - East Bay Causeway, FL 19 mi29 min E 8 G 9.9
FHPF1 - Fred Howard Park, FL 29 mi113 min W 14 G 17 85°F 1013.4 hPa
42013 - C10 - Navy-2 41 mi77 min W 14 G 18 86°F1013.6 hPa
VENF1 - Venice, FL 48 mi47 min W 16 G 17 86°F 87°F79°F
ARPF1 - APK - Aripeka, FL 48 mi113 min W 9.9 G 13 86°F 1012.6 hPa

Wind History for St. Petersburg, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Albert Whitted Airport, FL4 mi54 minW 510.00 miA Few Clouds86°F78°F77%1012.7 hPa
St. Petersburg/Clearwater Airport, FL12 mi54 minW 910.00 miFair84°F79°F85%1013.1 hPa
Macdill Air Force Base, Fl., FL12 mi51 minWSW 710.00 miPartly Cloudy85°F77°F80%1013.5 hPa
Tampa, Peter O Knight Airport, FL18 mi52 minW 610.00 miPartly Cloudy82°F78°F89%1013.5 hPa
Tampa, Tampa International Airport, FL18 mi54 minWSW 810.00 miPartly Cloudy85°F78°F80%1013.1 hPa

Wind History from SPG (wind in knots)
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Last 24hrW8W12W11W12
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N8N9N9SW9W9NW6W9W8W8W8W7W7W10W8W8W5
1 day agoW7SW5SW11W13SW13
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W5N4N4W4W4SW4SW4SW4W4SW4W5W6W6NW3W7
2 days agoW8SW9SW11SW7W13W10W12W12W10
G15
W8W7W6W6W6SW3SW3W3SW3CalmSW3S10S9S9W4

Tide / Current Tables for Gulfport, Boca Ciega Bay, Florida
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Gulfport
Click for Map
Sun -- 02:43 AM EDT     1.16 feet Low Tide
Sun -- 02:46 AM EDT     Moonset
Sun -- 06:48 AM EDT     Sunrise
Sun -- 08:59 AM EDT     2.25 feet High Tide
Sun -- 04:21 PM EDT     Moonrise
Sun -- 05:17 PM EDT     0.28 feet Low Tide
Sun -- 08:25 PM EDT     Sunset
Sun -- 11:52 PM EDT     1.43 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.31.31.21.21.31.51.722.22.22.221.71.410.60.40.30.30.50.811.31.4

Tide / Current Tables for Port Manatee, Tampa Bay, Florida Current
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Port Manatee
Click for Map
Sun -- 01:34 AM EDT     -0.00 knots Slack
Sun -- 02:29 AM EDT     -0.04 knots Max Ebb
Sun -- 02:46 AM EDT     Moonset
Sun -- 03:22 AM EDT     0.00 knots Slack
Sun -- 06:48 AM EDT     Sunrise
Sun -- 07:56 AM EDT     0.74 knots Max Flood
Sun -- 11:33 AM EDT     -0.00 knots Slack
Sun -- 03:36 PM EDT     -0.92 knots Max Ebb
Sun -- 04:21 PM EDT     Moonrise
Sun -- 07:19 PM EDT     0.00 knots Slack
Sun -- 08:25 PM EDT     Sunset
Sun -- 10:36 PM EDT     0.71 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.1-0-00.10.30.50.70.70.70.50.2-0.2-0.5-0.7-0.9-0.9-0.8-0.5-0.10.20.50.70.7

Weather Map and Satellite Images
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wmap_A
GOES Local Image of Southeast    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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Tampa Bay, FL (8,2,3,4)
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Ground Weather Radar Station Tampa Bay Area, FL
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weather_mapweather_map weather_map

Gulf Stream Current


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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.