Friday, January22, 2021
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Marine Weather and Tides
Upper Grand Lagoon, FL

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:36AMSunset 5:12PM Friday January 22, 2021 6:38 PM CST (00:38 UTC) Moonrise 1:21PMMoonset 2:14AM Illumination 72% Phase: Waxing Gibbous; Moon at 10 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 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- 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- 358 Pm Est Fri Jan 22 2021 /258 Pm Cst Fri Jan 22 2021/
Tonight..West winds 10 knots becoming northeast 10 to 15 knots after midnight. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a light chop. Slight chance of rain.
Saturday..East winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop. Chance of rain.
Saturday night..East winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop. Slight chance of showers in the evening.
Sunday..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a light chop.
Sunday night..Southeast winds 15 knots. Seas 2 to 3 feet. Dominant period 3 seconds. Protected waters a moderate chop.
Monday..South winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Protected waters choppy. Slight chance of showers and Thunderstorms in the afternoon.
Monday night..Southwest winds 15 to 20 knots. Seas 4 to 5 feet with occasional seas up to 6 feet. Protected waters choppy. Slight chance of showers and Thunderstorms through the night.
Tuesday..Southwest winds 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Protected waters a light chop. Chance of showers and Thunderstorms.
Tuesday night..South winds 10 knots. Seas 2 to 4 feet. Protected waters a light chop. Chance of showers and Thunderstorms.
Wednesday..South winds 10 to 15 knots. Seas 2 to 3 feet. Protected waters a light chop. Chance of showers and Thunderstorms.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 358 Pm Est Fri Jan 22 2021
Synopsis.. Generally unsettled boating conditions are expected through the next few days. Northerly winds will increase tonight into Saturday as a cold front moves into the northern gulf with isolated showers expected. By Sunday afternoon, winds become southerly and will increase to cautionary levels by the evening with winds around 15 to 20 knots and seas nearing 6 feet. Advisory level conditions are possible Monday and Tuesday. Additional rises in winds and seas are possible again later next week as a stronger cold front moves through.


7 Day Forecast for Marine Location Near Upper Grand Lagoon, FL
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location: 30.17, -85.76     debug


Area Discussion for -
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FXUS62 KTAE 222326 AFDTAE

Area Forecast Discussion National Weather Service Tallahassee FL 626 PM EST Fri Jan 22 2021

AVIATION. [Through 00Z Sunday]

A large area of MVFR/IFR ceilings should settle solidly into IFR as it drifts slowly south overnight. Restrictions are forecast to clear ABY and DHN sometime after 06z, but not until later in the morning at our remaining terminals. A few showers will be possible tomorrow afternoon at ECP and maybe even as far north as TLH.

PREV DISCUSSION [357 PM EST].

NEAR TERM [Through Saturday].

Cold front is gradually sagging southward across the forecast area, currently situated roughly along the I-10 corridor. Large scale forcing along the front will shift to the east this evening, taking most of the widespread precip with it. However, there will likely still be some lingering light showers through the evening. With the front stretching E-W across the area, low temperatures will vary from the mid 40s in the north to the mid 50s in the southeastern Big Bend.

For Saturday, the front will stall near the coast, with a few showers possible through the day south of I-10. With limited large- scale forcing under zonal flow aloft, showers should be mostly light. Temperatures are expected to reach the mid to upper 60s for most areas on Saturday.

SHORT TERM [Saturday Night Through Sunday Night].

Stationary front will be positioned just off the Gulf coast at the start of the short term period Saturday evening. Cool northeasterly flow on the northern side of this boundary will keep cloudy conditions in place, along with a few showers along our coastline overnight. By Sunday afternoon, an upper level ridge will amplify over the southeast US and this will turn winds southerly by the start of the upcoming work week.

LONG TERM [Monday Through Friday].

Warmer conditions expected on Monday and Tuesday as a warm and humid airmass gets advected into the region from the south. With the increased moisture, and warmer temps, we can't rule out a few showers Monday night into Tuesday as a weakening front drifts into the area. As this front stalls cloudy and warm conditions, and scattered showers, are likely to continue through the middle of the week until a cold front moves through early Thursday. A few strong storms during the middle of the week can't be ruled out, especially with the system on Wednesday as stronger shear and instability will be present compared to earlier in the week. However, the threat appears mostly isolated for now and will be reevaluated as we near next week.

MARINE.

Generally unsettled boating conditions are expected through the next few days. Northerly winds will increase tonight into Saturday as a cold front moves into the northern Gulf with isolated showers expected. By Sunday afternoon, winds become southerly and will increase to cautionary levels by the evening with winds around 15 to 20 knots and seas nearing 6 feet. Advisory level conditions are possible Monday and Tuesday. Additional rises in winds and seas are possible again later next week as a stronger cold front moves through.

FIRE WEATHER.

Red flag conditions are not expected for the next several days.

HYDROLOGY.

A stationary boundary shifts southward throughout tonight. Rainfall amounts through day 7 remain generally below 1.5 inches. Thus, we are not expecting any flooding concerns through the forecast period.

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 52 66 53 67 59 / 30 10 10 0 0 Panama City 53 65 56 67 61 / 30 20 10 0 0 Dothan 46 62 49 63 57 / 20 10 10 0 0 Albany 44 62 48 61 55 / 20 0 10 0 0 Valdosta 49 65 50 64 56 / 30 10 20 10 0 Cross City 54 67 54 71 56 / 30 20 20 10 0 Apalachicola 55 63 56 65 59 / 30 30 20 0 0

TAE WATCHES/WARNINGS/ADVISORIES. FL . None. GA . None. AL . None. GM . None.

NEAR TERM . Camp SHORT TERM . Dobbs LONG TERM . Dobbs AVIATION . Harrigan MARINE . Dobbs FIRE WEATHER . Camp HYDROLOGY . Dobbs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PACF1 - 8729108 - Panama City, FL 5 mi51 min N 8 G 11
PCBF1 7 mi51 min N 6 G 9.9 63°F 60°F1015.5 hPa
APCF1 - 8728690 - Apalachicola, FL 52 mi51 min SSW 1 G 5.1 67°F 56°F1014.8 hPa
APXF1 - Apalachicola Reserve, FL 54 mi114 min SW 6 67°F 1015 hPa65°F

Wind History for Panama City, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Panama City - Northwest Florida Beaches International Airport, FL13 mi46 minNNW 710.00 miOvercast62°F60°F93%1016 hPa

Link to 5 minute data for KPAM

Wind History from PAM (wind in knots)
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Last 24hrSW8S9S7S6S6S5CalmSE5CalmCalmCalmCalmCalmCalmCalmCalmCalmN4N3N6N5SW5W7SW8
1 day agoW8W9W9W7W6W4CalmCalmCalmCalmNE3E3NE5CalmE3E3E3E4E6E5E5E7S10S8
2 days agoW10W6W6W9W8W9W8W12W9W10W10W9W12N11N9N5N4N4N3N4N4CalmNW6W7

Tide / Current Tables for Channel entrance, St. Andrew Bay, Florida
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Channel entrance
Click for Map
Fri -- 01:14 AM CST     Moonset
Fri -- 02:59 AM CST     -0.23 feet Low Tide
Fri -- 06:37 AM CST     Sunrise
Fri -- 12:20 PM CST     Moonrise
Fri -- 04:59 PM CST     0.87 feet High Tide
Fri -- 05:11 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Panama City Beach, Florida
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Panama City Beach
Click for Map
Fri -- 01:15 AM CST     Moonset
Fri -- 03:39 AM CST     -0.33 feet Low Tide
Fri -- 06:38 AM CST     Sunrise
Fri -- 12:21 PM CST     Moonrise
Fri -- 03:06 PM CST     0.84 feet High Tide
Fri -- 05:11 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map
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wmap_A
GEOS Local Image of    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
Ground Weather Radar Station



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.