Thursday, July29, 2021
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Marine Weather and Tides
Lower Grand Lagoon, FL

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 5:58AMSunset 7:39PM Thursday July 29, 2021 11:28 AM CDT (16:28 UTC) Moonrise 11:27PMMoonset 11:23AM Illumination 72% Phase: Waning Gibbous; Moon at 20 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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GMZ750 Expires:202107300315;;645370 Fzus52 Ktae 291413 Cwftae Coastal Waters Forecast For Florida Big Bend And Eastern Panhandle National Weather Service Tallahassee Fl 1013 Am Edt Thu Jul 29 2021 Gulf Coastal Waters From The Mouth Of The Suwannee River To Okaloosa-walton County Line Out To 60 Nm. Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves...along With The Occasional Height Of The Average Highest 1/10 Of The Waves. Gmz730-750-752-755-765-770-772-775-300315- Apalachee Bay Or Coastal Waters From Keaton Beach To Ochlockonee River Fl Out To 20 Nm- Coastal Waters From Mexico Beach To Okaloosa Walton County Line Fl Out 20 Nm- Coastal Waters From Mexico Beach To Apalachicola Fl Out 20 Nm- Coastal Waters From Ochlockonee River To Apalachicola Fl Out To 20 Nm- Coastal Waters From Suwannee River To Keaton Beach Fl Out 20 Nm- Waters From Mexico Beach To Okaloosa Walton County Line Fl From 20 To 60 Nm- Waters From Apalachicola To Mexico Beach Fl From 20 To 60 Nm- Waters From Suwannee River To Apalachicola Fl From 20 To 60 Nm- 1013 Am Edt Thu Jul 29 2021 /913 Am Cdt Thu Jul 29 2021/
Rest of today..West winds 10 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Protected waters a light chop. Showers and Thunderstorms likely early in the morning, then chance of showers and Thunderstorms in the afternoon.
Tonight..West winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Protected waters a light chop. Chance of showers and Thunderstorms.
Friday..West winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 3 seconds. Protected waters a light chop. Chance of showers and Thunderstorms in the morning, then slight chance of showers and Thunderstorms in the afternoon.
Friday night..West winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Protected waters a light chop. Slight chance of showers and Thunderstorms after midnight.
Saturday..Southwest winds 10 to 15 knots. Seas 1 to 2 feet. Dominant period 4 seconds. Protected waters a light chop. Chance of showers and Thunderstorms in the morning, then slight chance of showers and Thunderstorms in the afternoon.
Saturday night..Southwest winds 15 knots. Seas 2 feet. Dominant period 4 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms after midnight.
Sunday..Southwest winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms.
Sunday night..Southwest winds 15 to 20 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop. Chance of showers and Thunderstorms.
Monday..Southwest winds 15 to 20 knots. Seas 2 to 4 feet. Dominant period 5 seconds. Protected waters choppy. Showers and Thunderstorms likely.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 1013 Am Edt Thu Jul 29 2021
Synopsis.. The main boating concerns over the next few days are Thunderstorms. There is current robust convection across much of the offshore waters now that has been slowly pushing south throughout the morning hours today. Expect Thunderstorms to continue to push south into the afternoon and evening hours. Some storms may be strong, capable of producing frequent lightning and winds hazardous to vessels. A stray waterspout cannot be ruled out either. Otherwise, west to southwest winds at 15 knots or less prevail through the weekend, before cautionary conditions arrive by Sunday night.


7 Day Forecast for Marine Location Near Lower Grand Lagoon, FL
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location: 30.11, -85.74     debug


Area Discussion for -
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FXUS62 KTAE 291417 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 1017 AM EDT Thu Jul 29 2021

UPDATE.

No updates were needed at this time.

PREV DISCUSSION [602 AM EDT].

NEAR TERM [Through Tonight].

Today begins a multi-day stretch of dangerous heat indices as upper ridging centered across the middle part of the country extends eastward into the southeast states. This extra ridging is expected to result in less convective coverage overall and higher temperatures. The best chance of thunderstorms today is expected to be confined closer to the coast and offshore with only low chances further inland across southeast Alabama and southwest Georgia. Meanwhile, low level moisture will remain plentiful, and the combination of high temperatures and high dewpoints is expected to drive heat index values to near 108 this afternoon across a large portion of the area. Thus, a heat advisory remains in effect for most of the area today. Not much relief is expected tonight with muggy overnight lows in the mid to upper 70s, which will set up an even hotter days on Friday and Saturday.

SHORT TERM [Friday Through Saturday].

Dangerous heat conditions will be the focal point of the short- term as the axis of a strong ridge noses in further from the northwest, thus keeping rain chances below seasonal percentages. This setup should prompt high temperatures to soar into the upper 90s (isolated 100 possible) away from the coast, while lows uncomfortably drop to the mid-upper 70s. The relative humidity is going to drive daytime heat indices well into advisory levels (108-112 degrees), with some locations meeting excessive heat criteria (>=113 degrees).Therefore, an Excessive Heat Watch has been issued for the FL Panhandle on Friday, and another (more widespread) Watch is anticipated for Saturday. These feel-like temperatures cause heat-related illnesses and symptoms, so taking the proper actions is essential - hydrating, staying cool, wearing light-colored clothing, etc. Heat safety tips and resources can be found in the following link: www.weather.gov/safety/heat.

LONG TERM [Saturday Night Through Thursday].

Hot weather continues on Sunday, albeit slightly less pronounced than Saturday (highs in the low-mid 90s), but daytime heat indices stay within advisory range. Although near-seasonal rain chances (45- 60%) may provide some reprieve, convective coverage is expected to be isolated to scattered. The ridge responsible for the dangerous heat weakens by Monday in response to a broad upper trough swinging across the region, thus putting a merciful end to the hot streak. We then transition to a wet, unsettled pattern as an attendant frontal boundary approaches from the north and provides a focus for scattered to numerous showers and thunderstorms, along with the seabreeze, and plentiful upper- support. The rainfall forecast is justifiably in the likely to definite category areawide for the remainder of the period thanks to troughing remaining in place. The environmental factors should also allow convection to be strong to perhaps marginally severe and persist longer than usual after sunset. Stronger storms will pose a heavy rain, frequent lightning, and downburst threat. The widespread precipitation and cloud cover is expected to keep high temperatures mainly below 90 degrees, with lows in the 70s.

AVIATION.

[Through 12z Friday] Some brief patchy fog or low clouds are possible early this morning, otherwise VFR conditions are expected to prevail. The best chance of thunderstorms later today is expected to be near ECP and TLH with only low chances farther north.

MARINE.

The main boating concerns over the next few days are thunderstorms. Today looks stormy, with maritime convection already apparent as of 245am ET. Expect coverage to increase through the morning and into the afternoon. Some storms may be strong, capable of producing frequent lightning and winds hazardous to vessels. A stray waterspout cannot be ruled out either. Otherwise, west to southwest winds at 15 knots or less prevail through the weekend, before cautionary conditions arrive by Sunday night.

FIRE WEATHER.

There are minimal fire weather concerns expected for the next several days outside of occasional low dispersions.

HYDROLOGY.

Lower than normal precipitation is forecast through the weekend before a wetter pattern takes place early next week. Widespread rainfall amounts are 1-2" (isolated 3"+), mainly from Monday to Thursday. Flooding may be a concern during that timeframe. Several rivers in Ochlockonee and Suwannee basins remain in action stage, but are cresting/falling, except Rock Bluff, Wilcox, and Manatee Springs, where rises are forecast.

SPOTTER INFORMATION STATEMENT.

Spotter activation is not requested. However, spotters are always encouraged to safely report significant weather conditions when they occur (while following all local, state, and CDC guidelines) by calling the office or tweeting us @NWSTallahassee.

PRELIMINARY POINT TEMPS/POPS.

Tallahassee 94 77 97 76 96 / 40 10 20 0 30 Panama City 92 79 93 79 94 / 50 10 20 10 30 Dothan 95 76 97 77 96 / 20 0 20 0 40 Albany 97 77 98 78 99 / 20 0 10 0 40 Valdosta 94 75 98 75 98 / 30 0 10 0 40 Cross City 90 76 93 77 92 / 70 20 30 10 40 Apalachicola 90 79 92 80 92 / 60 20 20 10 30

TAE WATCHES/WARNINGS/ADVISORIES. FL . Heat Advisory until 7 PM EDT /6 PM CDT/ this evening for Calhoun- Central Walton-Coastal Bay-Coastal Franklin-Coastal Gulf- Coastal Jefferson-Coastal Taylor-Coastal Wakulla-Gadsden- Holmes-Inland Bay-Inland Franklin-Inland Gulf-Inland Jefferson-Inland Taylor-Inland Wakulla-Jackson-Leon-Liberty- Madison-North Walton-South Walton-Washington.

Heat Advisory from 11 AM to 7 PM EDT Friday for Coastal Jefferson-Coastal Taylor-Coastal Wakulla-Gadsden-Inland Jefferson-Inland Taylor-Inland Wakulla-Leon-Madison.

Excessive Heat Watch from Friday morning through Friday evening for Calhoun-Central Walton-Coastal Bay-Coastal Franklin- Coastal Gulf-Holmes-Inland Bay-Inland Franklin-Inland Gulf- Jackson-Liberty-North Walton-South Walton-Washington.

GA . Heat Advisory until 7 PM EDT this evening for Baker-Ben Hill- Berrien-Brooks-Calhoun-Clay-Colquitt-Cook-Decatur-Dougherty- Early-Grady-Irwin-Lanier-Lee-Lowndes-Miller-Mitchell- Quitman-Randolph-Seminole-Terrell-Thomas-Tift-Turner-Worth.

Heat Advisory from 11 AM to 7 PM EDT Friday for Baker-Ben Hill- Berrien-Brooks-Calhoun-Clay-Colquitt-Cook-Decatur-Dougherty- Early-Grady-Irwin-Lanier-Lee-Lowndes-Miller-Mitchell- Quitman-Randolph-Seminole-Terrell-Thomas-Tift-Turner-Worth.

AL . Heat Advisory until 6 PM CDT this evening for Coffee-Dale-Geneva- Henry-Houston.

Heat Advisory from 10 AM to 6 PM CDT Friday for Coffee-Dale- Geneva-Henry-Houston.

GM . None.

UPDATE . Bunker NEAR TERM . DVD SHORT TERM . IG3 LONG TERM . IG3 AVIATION . DVD MARINE . IG3 FIRE WEATHER . DVD HYDROLOGY . IG3


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PACF1 - 8729108 - Panama City, FL 5 mi58 min WSW 5.1 G 6 87°F
PCBF1 10 mi58 min W 7 G 8.9 83°F 85°F1018.3 hPa
APCF1 - 8728690 - Apalachicola, FL 48 mi58 min N 5.1 G 7 85°F 83°F1017.9 hPa
APXF1 - Apalachicola Reserve, FL 51 mi103 min WSW 2.9 84°F 1019 hPa78°F

Wind History for Panama City, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tyndall Air Force Base, FL8 mi32 minW 710.00 miFair87°F77°F71%1017.5 hPa
Panama City - Northwest Florida Beaches International Airport, FL17 mi35 minWNW 610.00 miFair89°F76°F65%1018.3 hPa

Link to 5 minute data for KPAM

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Last 24hrW8W10W8NE7CalmCalmS3SE3E3E4E3N4CalmE4NE3CalmCalmCalmCalmCalmCalmCalmNW7W7
1 day agoW9SW11W12W10N4SE11N3N3NE6E5SE4SE3SE5SE3CalmCalmCalmCalmCalmNE3CalmCalmN4NW7
2 days agoN5SE3S3W9SW9W9W10SW6W5SW6W4W4W5W5W6W6W6NW4NW5N4N8N7N6N5

Tide / Current Tables for Channel entrance, St. Andrew Bay, Florida
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Channel entrance
Click for Map
Thu -- 06:00 AM CDT     Sunrise
Thu -- 11:23 AM CDT     Moonset
Thu -- 01:23 PM CDT     0.91 feet High Tide
Thu -- 07:38 PM CDT     Sunset
Thu -- 08:19 PM CDT     0.70 feet Low Tide
Thu -- 11:26 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.70.70.70.80.80.80.80.80.80.90.90.90.90.90.90.90.80.80.70.70.70.70.8

Tide / Current Tables for Parker, St. Andrew Bay, Florida
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Parker
Click for Map
Thu -- 12:10 AM CDT     0.71 feet Low Tide
Thu -- 05:59 AM CDT     Sunrise
Thu -- 11:22 AM CDT     Moonset
Thu -- 02:49 PM CDT     1.09 feet High Tide
Thu -- 07:37 PM CDT     Sunset
Thu -- 10:43 PM CDT     0.84 feet Low Tide
Thu -- 11:25 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.70.70.80.80.90.90.90.911111.11.11.11.11.1110.90.90.90.8

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