Wednesday, January22, 2020
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Marine Weather and Tides
Grove City, FL

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 7:17AMSunset 6:03PM Wednesday January 22, 2020 9:27 AM EST (14:27 UTC) Moonrise 5:27AMMoonset 4:09PM Illumination 7% Phase: Waning Crescent; Moon at 27 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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GMZ856 Coastal Waters From Bonita Beach To Englewood Fl Out 20 Nm- 334 Am Est Wed Jan 22 2020
.small craft advisory in effect through this evening...
Today..North winds around 20 knots. Seas 4 to 6 feet. Bay and inland waters choppy.
Tonight..Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop.
Thursday..Northeast winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
Thursday night..East winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
Friday..Southeast winds around 5 knots then becoming southwest in the afternoon. Seas 2 feet or less. Bay and inland waters smooth. A slight chance of showers.
Friday night..West winds around 5 knots then becoming north around 10 knots after midnight. Seas 2 feet. Bay and inland waters a light chop. A slight chance of showers in the evening.
Saturday..North winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop.
Saturday night..North winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop.
Sunday..North winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 334 Am Est Wed Jan 22 2020
Synopsis.. High pressure to the north and low pressure to the east will slowly move toward the east through the end of the week...allowing robust to strong north winds to veer and diminish. A cold front traverses the waters late Friday or early Saturday...with high pressure behind it building in for the weekend.


7 Day Forecast for Marine Location Near Grove City, FL
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location: 26.89, -82.35     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 221136 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 636 AM EST Wed Jan 22 2020

AVIATION. VFR conditions with gusty northerly winds around 10-15 knots with higher gusts expected through the day. Winds will decrease to 10 knots or less and veer to the northeast overnight. No other aviation impacts expected.

Prev Discussion. /issued 300 AM EST Wed Jan 22 2020/

SHORT TERM (TODAY - Thursday) . Aloft: A ridge from the western Gulf of Mexico to the Great Lakes and a trough off the southeast U.S. coast to the northern Bahamas slide east through Thu . with the ridge slipping out over the Atlantic. A low forming over the Canadian Prairies this morning drops south and sets up a long wave trough from the northern plains to the lower Mississippi Valley by Thu. Surface: Robust high pressure in the southern and central Appalachians this morning will shift to the eastern seaboard Thu and weaken as a low well offshore east central FL moves out over the open Atlantic. The upper long wave trough noted earlier develops a low in the Mid- Mississippi Valley with a cold front stretching down into the western Gulf of Mexico.

A dry cold northerly flow is ongoing with temperatures at or below freezing across the northern counties . where the freeze warning is in place . and wind chills at or below advisory criteria for all locations. These temperatures will gradually warm with sunrise . allowing the warnings/advisories to end at 9 AM. Winds continue rather robust and gusty at times . with elevated waters levels along the beaches producing a high risk of rips currents through this evening. As the high pressure shifts east winds will begin to diminish and become more northeasterly allowing some warmer and more moist air to work in. Temperatures tonight will warm but stay just below normal then reach near normal values Thu afternoon.

LONG TERM (Thursday night - Tuesday) . High pressure along the eastern seaboard will be shifting east into the Atlantic at the start of the period as an upper level low and attendant surface low over the central U.S. moves east into the Ohio Valley. As the high moves east winds will become southeast to south on Friday with an increase in moisture supporting increasing cloud cover and some isolated showers during the afternoon with near seasonal level temperatures in the 70s. As the aforementioned storm system moves further to the east-northeast a trailing cold front will move east across the Gulf coast states Friday afternoon, and then south through the forecast area during Friday night and early Saturday, bringing with it some additional low rain chances (Pops 20%) along and ahead of it. Cooler and drier conditions will return Saturday night into Sunday in the wake of the front. During late Sunday night into Monday a short wave trough and weak surface trough will pass across the south-central peninsula with some isolated showers (Pops 20%) possible across central and southern areas, with pleasant dry conditions returning for Monday night into Tuesday as high pressure builds in over the area. Near normal temperatures will fall back to below normal Saturday night into early next week as cooler and drier air moves into the region in the wake of the front.

AVIATION . 22/06Z. VFR. FEW-SCT CU/SC AFT 18Z along with CI AFT 02-04Z. Northerly and gusty winds start to veer and diminish late in the period.

MARINE . Robust to strong winds continue into this evening with a mixture of caution and advisory headlines in place. Winds begin to diminish and veer starting tonight as high pressure to the north slides east. A cold front moves in late Fri and early Sat with some low rain chances. High pressure behind the front builds in for the weekend.

FIRE WEATHER . While cold and drier air continues to filter in on at times gusty northerly winds there has been enough of increase in moisture to keep RH values just above critical levels. Winds begin to veer and diminish tonight . allowing temperatures and humidity to gradually increase through the rest of the week.

Preliminary Point Temps/PoPs. TPA 59 50 73 59 / 0 0 0 0 FMY 64 51 77 58 / 0 0 0 0 GIF 59 51 73 57 / 10 0 10 0 SRQ 61 49 74 59 / 0 0 0 0 BKV 58 47 72 55 / 0 0 0 0 SPG 58 53 71 60 / 0 0 0 0

TBW WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk through this evening for Coastal Charlotte- Coastal Hillsborough-Coastal Lee-Coastal Manatee-Coastal Sarasota-Pinellas.

Wind Chill Advisory until 9 AM EST this morning for Coastal Charlotte-Coastal Citrus-Coastal Hernando-Coastal Hillsborough-Coastal Lee-Coastal Levy-Coastal Manatee- Coastal Pasco-Coastal Sarasota-DeSoto-Hardee-Highlands- Inland Charlotte-Inland Citrus-Inland Hernando-Inland Hillsborough-Inland Lee-Inland Levy-Inland Manatee-Inland Pasco-Inland Sarasota-Pinellas-Polk-Sumter.

Freeze Warning until 9 AM EST this morning for Coastal Citrus- Coastal Hernando-Coastal Levy-Inland Citrus-Inland Hernando- Inland Levy-Inland Pasco-Sumter.

Gulf waters . Small Craft Advisory until 8 PM EST this evening for Coastal waters from Bonita Beach to Englewood FL out 20 NM-Coastal waters from Englewood to Tarpon Springs FL out 20 NM- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-Waters from Bonita Beach to Englewood FL out 20 to 60 NM-Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM.

Small Craft Advisory until 9 AM EST this morning for Tampa Bay waters.



AVIATION . 74/Wynn DECISION SUPPORT . 24/Hubbard


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 14 mi27 min N 14 G 16 42°F 62°F1022.6 hPa (+0.7)29°F
BGCF1 - Big Carlos Pass, FL 42 mi93 min N 20 G 24 40°F 1022.3 hPa

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Venice Municipal Airport, FL13 mi32 minN 1310.00 miFair43°F26°F53%1022.7 hPa
Punta Gorda, Charlotte County Airport, FL19 mi34 minNNW 1210.00 miFair39°F23°F53%1022.6 hPa

Link to 5 minute data for KVNC

Wind History from VNC (wind in knots)
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Tide / Current Tables for Englewood, Lemon Bay, Florida
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Englewood
Click for Map
Wed -- 05:27 AM EST     Moonrise
Wed -- 06:32 AM EST     -0.54 feet Low Tide
Wed -- 07:18 AM EST     Sunrise
Wed -- 02:22 PM EST     0.81 feet High Tide
Wed -- 04:09 PM EST     Moonset
Wed -- 04:25 PM EST     0.79 feet Low Tide
Wed -- 06:03 PM EST     Sunset
Wed -- 10:34 PM EST     1.54 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.310.60.3-0.1-0.4-0.5-0.5-0.4-0.10.20.40.60.80.80.80.80.80.911.21.41.51.5

Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
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Boca Grande Pass
Click for Map
Wed -- 03:24 AM EST     -3.21 knots Max Ebb
Wed -- 05:26 AM EST     Moonrise
Wed -- 07:17 AM EST     Sunrise
Wed -- 07:25 AM EST     0.01 knots Slack
Wed -- 10:58 AM EST     2.74 knots Max Flood
Wed -- 04:09 PM EST     Moonset
Wed -- 04:17 PM EST     0.14 knots Min Flood
Wed -- 06:03 PM EST     Sunset
Wed -- 08:50 PM EST     1.86 knots Max Flood
Wed -- 11:49 PM EST     -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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-0.9-2-2.7-3.2-3.1-2.6-1.7-0.50.71.82.52.72.51.91.10.50.20.20.71.21.71.91.50.8

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Tampa Bay, FL (9,2,3,4)
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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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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.