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Marine Weather and Tides
Version 3.4 |
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 7:01AM | Sunset 8:09PM | Wednesday April 21, 2021 6:29 AM EDT (10:29 UTC) | Moonrise 1:24PM | Moonset 2:40AM | Illumination 70% |  |
GMZ730 Apalachee Bay Or Coastal Waters From Keaton Beach To Ochlockonee River Fl Out To 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 Suwannee River To Apalachicola Fl From 20 To 60 Nm- 339 Am Edt Wed Apr 21 2021
.small craft should exercise caution...
Today..Northwest winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Tonight..North winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 4 seconds. Protected waters choppy.
Thursday..Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Thursday night..East winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Friday..Southeast winds 15 knots. Seas 2 to 3 feet. Dominant period 3 seconds. Protected waters a moderate chop.
Friday night..Southeast winds 10 to 15 knots increasing to 20 knots after midnight. Seas 2 to 3 feet building to 3 to 5 feet with occasional seas up to 6 feet after midnight. Protected waters a moderate chop.
Saturday..South winds 20 to 25 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Protected waters choppy. Chance of showers in the morning. Chance of Thunderstorms through the day. Showers likely in the afternoon.
Saturday night..West winds 15 to 20 knots becoming northwest 15 knots early in the morning. Seas 4 to 6 feet with occasional seas up to 8 feet. Protected waters choppy. Chance of showers and Thunderstorms.
Sunday..North winds 10 to 15 knots becoming northwest 10 to 15 knots late in the afternoon. Seas 2 to 4 feet. Protected waters a light chop. Slight chance of showers and Thunderstorms in the morning.
.small craft should exercise caution...
Today..Northwest winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Tonight..North winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 4 seconds. Protected waters choppy.
Thursday..Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Thursday night..East winds 15 knots. Seas 2 to 3 feet. Dominant period 4 seconds. Protected waters a moderate chop.
Friday..Southeast winds 15 knots. Seas 2 to 3 feet. Dominant period 3 seconds. Protected waters a moderate chop.
Friday night..Southeast winds 10 to 15 knots increasing to 20 knots after midnight. Seas 2 to 3 feet building to 3 to 5 feet with occasional seas up to 6 feet after midnight. Protected waters a moderate chop.
Saturday..South winds 20 to 25 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Protected waters choppy. Chance of showers in the morning. Chance of Thunderstorms through the day. Showers likely in the afternoon.
Saturday night..West winds 15 to 20 knots becoming northwest 15 knots early in the morning. Seas 4 to 6 feet with occasional seas up to 8 feet. Protected waters choppy. Chance of showers and Thunderstorms.
Sunday..North winds 10 to 15 knots becoming northwest 10 to 15 knots late in the afternoon. Seas 2 to 4 feet. Protected waters a light chop. Slight chance of showers and Thunderstorms in the morning.
GMZ700 Synopsis For The Suwannee River To Okaloosa-walton County Line Out To 60 Nm 339 Am Edt Wed Apr 21 2021
Synopsis.. Elevated winds and seas are likely through the next few days as several weather systems bring near-advisory conditions. A dry cold front moves through this morning and will bring increased winds for the afternoon. Winds remain elevated through early Thursday as they switch from northerly to northeasterly before a brief decrease in the winds develops Thursday afternoon into Friday afternoon. Another system is expected over the weekend with winds increasing Friday night into Saturday. SEvere storms are possible along with widespread showers Saturday and Saturday night.
Synopsis.. Elevated winds and seas are likely through the next few days as several weather systems bring near-advisory conditions. A dry cold front moves through this morning and will bring increased winds for the afternoon. Winds remain elevated through early Thursday as they switch from northerly to northeasterly before a brief decrease in the winds develops Thursday afternoon into Friday afternoon. Another system is expected over the weekend with winds increasing Friday night into Saturday. SEvere storms are possible along with widespread showers Saturday and Saturday night.
7 Day Forecast for Marine Location Near Tallahassee, FL
Hourly EDIT Help
location: 30.46, -84.25 debug
Area Discussion for -
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS62 KTAE 211018 AFDTAE
Area Forecast Discussion National Weather Service Tallahassee FL 618 AM EDT Wed Apr 21 2021
AVIATION. [Through 12Z Thursday]
VFR conditions will prevail with clear skies. Northwesterly winds will be gusty today up to 25 knots at times as a dry cold front moves through. Winds will decrease around sunset and become more northerly or northeasterly overnight.
PREV DISCUSSION [339 AM EDT].
NEAR TERM [Through Tonight].
In the upper levels, a broad trough is over the Eastern U.S. Weak troughing or nearly zonal flow will be over the region today and tonight. At the surface, a dry front will move through the region today bringing a cooler, drier air mass into the region tonight. Skies will be mostly sunny/clear and POPs will be near zero. Northwesterly winds will be gusty today with gusts up to 30 mph possible at times. Winds will decrease around sunset. Highs today will be in the 70s. Lows tonight will be chilly in the 40s.
SHORT TERM [Thursday Through Friday].
Surface high pressure will control the sensible weather pattern through the short term period as drier northerly flow prevails. The coolest temperatures of the next week are likely Thursday afternoon with highs only climbing into the low 70s under mostly sunny skies. Another cool night is likely as light winds and mostly clear skies prevail Thursday night.
By Friday, surface high pressure begins to shift east of the area and southeasterly flow develops across the region. This will bring warmer conditions to the region in advance of our next weather system. High temperatures climb back into the mid to upper 70s.
LONG TERM [Friday Night Through Wednesday].
Quickly changing weather pattern is expected Friday night into Saturday as several upper level shortwaves progress through the deep south. The first shortwave moves through Friday evening into early Saturday morning. Severe weather forecast is less confident with this first shortwave as the level of instability we'll realize is uncertain. However, most guidance indicate a 30-40kt low level jet to develop overnight and progress inland across the forecast area as a warm front lifts north into Saturday morning. Should storms develop overnight a few severe storms can't be ruled out with all severe weather hazards possible. A stronger shortwave will be quickly on the heels of the first one and this wave will bring an increasing threat for severe weather to the rest of the area Saturday afternoon into Saturday night. While it's still too early to determine specifics regarding the severe weather, there will be adequate shear and plenty of instability thanks to steeper mid-level lapse rates continued increases in low-level moisture through the afternoon. This will support all modes of severe weather through the afternoon and evening.
The shortwave likely pushes through the region by Sunday morning and much of the activity pushes southeast of the forecast area by midday Sunday. Upper level ridging is likely to develop for the beginning of next week which will bring warmer and drier conditions.
MARINE.
Elevated winds and seas are likely through the next few days as several weather systems bring near-advisory conditions. A dry cold front moves through this morning and will bring increased winds for the afternoon. Winds remain elevated through early Thursday as they switch from northerly to northeasterly before a brief decrease in the winds develops Thursday afternoon into Friday afternoon. Another system is expected over the weekend with winds increasing Friday night into Saturday. Severe storms are possible along with widespread showers Saturday and Saturday night.
FIRE WEATHER.
High dispersions above 75 are likely this afternoon due to gusty winds. Northwesterly winds will be gusty today with gusts up to 30 mph possible at times. Today will be dry with minimum relative humidity values of 30 to 38 percent. A very dry air mass will be over the region tonight and tomorrow with minimum relative humidity around 20 to 25 percent for most of the Alabama and Georgia Counties tomorrow afternoon. Minimum relative humidity will be around 25 to 30 percent in the Florida Counties. Red Flag conditions are not expected today or tomorrow due to fuel moisture levels.
HYDROLOGY.
Rivers continue to fall and this trend will continue through at least the next few days. Rainfall of 0.5 to 1.5 inches is likely across much of the region (heaviest across AL/GA), over the weekend as a frontal system moves through. This will likely not be enough to increase any flooding concerns over the weekend, but heavy rain rates in any storms could cause very localized flooding in poor drainage areas.
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 79 46 72 50 76 / 0 0 0 0 10 Panama City 76 48 72 54 75 / 0 0 0 0 20 Dothan 71 42 70 48 75 / 0 0 0 0 20 Albany 76 42 71 48 77 / 0 0 0 0 10 Valdosta 80 45 71 48 78 / 0 0 0 0 10 Cross City 81 48 75 51 81 / 0 0 0 0 10 Apalachicola 77 49 70 56 73 / 0 0 0 0 10
TAE WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk through this evening for Coastal Gulf.
GA . None. AL . None. GM . None.
NEAR TERM . McD SHORT TERM . Dobbs LONG TERM . Dobbs AVIATION . McD MARINE . Dobbs FIRE WEATHER . McD HYDROLOGY . Dobbs
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 |
| SHPF1 - SHP - Shell Point, FL | 28 mi | 96 min | NW 7 G 9.9 | 62°F | 1014.2 hPa | |||
| KTNF1 - Keaton Beach, FL | 56 mi | 90 min | NNW 4.1 G 6 | 65°F | 1014.9 hPa (-0.0) | 55°F | ||
| APXF1 - Apalachicola Reserve, FL | 58 mi | 105 min | NW 5.1 | 64°F | 1017 hPa | 60°F |
Wind History for Apalachicola, FL
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | |
| Last 24hr | N | N | N | NE | NE | NE | E | SE | SE | S | S | S | SW | W | W | NW G5 | NW G5 | NW | NW | NW | NW G6 | NW | NW G8 | NW |
| 1 day ago | W | NW G6 | N | NW G4 | NW | N | NW | N | N | N | ||||||||||||||
| 2 days ago |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Tallahassee - Tallahassee International Airport, FL | 7 mi | 37 min | N 0 | 10.00 mi | Fair | 52°F | 49°F | 89% | 1014.9 hPa |
| Quincy Municipal Airport, FL | 19 mi | 35 min | WNW 3 | 10.00 mi | Fair | 52°F | 52°F | 100% | 1015.2 hPa |
Link to 5 minute data for KTLH
Wind History from TLH (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
| Last 24hr | Calm | NE | E | Calm | N | NW | NE | NE | Calm | NW | NW | S | W | Calm | Calm | W | Calm | Calm | Calm | Calm | Calm | Calm | ||
| 1 day ago | N | N | N | N | N | N | N | G15 | NW G16 | W | W | N | N | Calm | Calm | Calm | Calm | W | Calm | Calm | Calm | Calm | Calm | |
| 2 days ago | NW | W | Calm | W | NW | Calm | NW | W | SW | SW | S | SW | SW | SW | Calm | Calm | SW | Calm | W | W | NW | NW | NW | N |
Tide / Current Tables for St. Marks, St. Marks River, Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataSt. Marks
Click for Map
Wed -- 03:39 AM EDT Moonset
Wed -- 05:30 AM EDT 0.31 feet Low Tide
Wed -- 07:03 AM EDT Sunrise
Wed -- 12:21 PM EDT 2.68 feet High Tide
Wed -- 02:23 PM EDT Moonrise
Wed -- 05:47 PM EDT 1.79 feet Low Tide
Wed -- 08:08 PM EDT Sunset
Wed -- 10:35 PM EDT 2.58 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 03:39 AM EDT Moonset
Wed -- 05:30 AM EDT 0.31 feet Low Tide
Wed -- 07:03 AM EDT Sunrise
Wed -- 12:21 PM EDT 2.68 feet High Tide
Wed -- 02:23 PM EDT Moonrise
Wed -- 05:47 PM EDT 1.79 feet Low Tide
Wed -- 08:08 PM EDT Sunset
Wed -- 10:35 PM EDT 2.58 feet High Tide
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 |
| 1.9 | 1.6 | 1.2 | 0.8 | 0.5 | 0.3 | 0.3 | 0.6 | 1 | 1.5 | 2.1 | 2.5 | 2.7 | 2.6 | 2.5 | 2.2 | 2 | 1.8 | 1.8 | 1.9 | 2.1 | 2.4 | 2.5 | 2.6 |
Tide / Current Tables for St. Marks River Entrance, Florida (2) (expired 1995-12-31)
EDIT (on/off) Help One Week of DataSt. Marks River Entrance
Click for Map
Wed -- 03:39 AM EDT Moonset
Wed -- 04:25 AM EDT 0.35 feet Low Tide
Wed -- 07:03 AM EDT Sunrise
Wed -- 11:45 AM EDT 2.89 feet High Tide
Wed -- 02:23 PM EDT Moonrise
Wed -- 04:43 PM EDT 1.98 feet Low Tide
Wed -- 08:07 PM EDT Sunset
Wed -- 09:59 PM EDT 2.78 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 03:39 AM EDT Moonset
Wed -- 04:25 AM EDT 0.35 feet Low Tide
Wed -- 07:03 AM EDT Sunrise
Wed -- 11:45 AM EDT 2.89 feet High Tide
Wed -- 02:23 PM EDT Moonrise
Wed -- 04:43 PM EDT 1.98 feet Low Tide
Wed -- 08:07 PM EDT Sunset
Wed -- 09:59 PM EDT 2.78 feet High Tide
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 |
| 1.8 | 1.3 | 0.9 | 0.6 | 0.4 | 0.4 | 0.6 | 1 | 1.6 | 2.1 | 2.6 | 2.8 | 2.9 | 2.7 | 2.5 | 2.2 | 2 | 2 | 2.1 | 2.3 | 2.5 | 2.7 | 2.8 | 2.7 |
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