Big Pine Key, FL Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Big Pine Key, FL


December 8, 2023 12:19 AM EST (05:19 UTC)
Sunrise 6:57AM   Sunset 5:40PM   Moonrise  2:46AM   Moonset 2:32PM 

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. Privacy and Cookie policy

Marine Forecasts
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GMZ035 Expires:202312080945;;088487 Fzus52 Kkey 080332 Cwfkey
coastal waters forecast for the florida keys national weather service key west fl 1032 pm est Thu dec 7 2023
florida bay, hawk channel and straits of florida from ocean reef to south of dry tortugas, and the extreme southeastern gulf of mexico, including the florida keys national marine sanctuary
seas are given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height.
gmz032-035-080945- bayside and gulf side from craig key to west end of seven mile bridge- gulf of mexico from west end of seven mile bridge to halfmoon shoal out to 5 fathoms- 1032 pm est Thu dec 7 2023
Tonight..Northeast winds near 15 knots, becoming northeast to east. Seas 2 to 3 feet, except 3 to 4 feet west of the marquesas keys. NEarshore waters a moderate chop.
Friday..Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Seas subsiding to 1 to 2 feet, except subsiding to 2 to 3 feet west of the marquesas keys. NEarshore waters a moderate chop, becoming a light to moderate chop. Isolated showers.
Friday night..East wind 10 to 15 knots, increasing to near 15 knots. Seas building to around 2 feet, except building to around 3 feet west of the marquesas keys. NEarshore waters a light to moderate chop, becoming a moderate chop. Isolated showers.
Saturday..East winds near 15 knots, decreasing to 10 to 15 knots. Seas subsiding to 1 to 2 feet, except subsiding to 2 to 3 feet west of the marquesas keys. NEarshore waters a moderate chop, becoming a light to moderate chop. Isolated showers.
Saturday night..East to southeast winds 10 to 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. NEarshore waters a light to moderate chop. Isolated showers.
Sunday..Southeast winds 10 to 15 knots, becoming southeast to south and decreasing to near 10 knots. Seas subsiding to around 1 foot, except subsiding to 1 to 2 feet west of the marquesas keys. NEarshore waters a light to moderate chop, becoming a light chop. Scattered showers and isolated Thunderstorms.
Sunday night..Southeast to south winds 5 to 10 knots, becoming northwest and increasing to 15 to 20 knots. Seas building to 1 to 3 feet. NEarshore waters smooth to a light chop, becoming choppy. Scattered showers and isolated Thunderstorms.
Monday..Northwest to north winds 15 to 20 knots, becoming north to northeast. Seas building to 2 to 4 feet, except building to 4 to 5 feet west of the marquesas keys. NEarshore waters choppy. Isolated showers.
Monday night..North to northeast winds 15 to 20 knots, becoming northeast and increasing to near 20 knots. Seas 2 to 4 feet, except 4 to 5 feet west of the marquesas keys. NEarshore waters choppy, becoming rough. Isolated showers.
Tuesday and Tuesday night..Northeast to east winds near 20 knots. Seas 2 to 4 feet, except 4 to 5 feet west of the marquesas keys. NEarshore waters rough. Isolated showers.

GMZ005 Synopsis For Keys Coastal Waters From Ocean Reef To Dry Tortugas 1032 Pm Est Thu Dec 7 2023
Synopsis..Moderate to occasionally fresh breezes will gradually veer from the northeast to the southeast tonight through Saturday night, as high pressure over the southeast moves eastward into the western north atlantic. Another cold front will approach the florida keys coastal waters late Sunday and Sunday night, with slackening breezes and a bout of unsettled weather possible ahead of the front. Fresh to strong northeast breezes are expected in the wake of the frontal passage for Monday and Tuesday.
the approximate shoreward edge of the gulf stream as of december 05...
56 nm south of dry tortugas light...on loggerhead key. 20 nm south of cosgrove shoal light...off the marquesas keys. 15 nm south of sand key light...off key west. 17 nm south of looe key...off big pine key. 20 nm south of sombrero key light...off marathon. 12 nm southeast of alligator reef light...off islamorada. 9 nm southeast of molasses reef light...off key largo. 2 nm east of carysfort reef light...off ocean reef.
gulf stream information courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Big Pine Key, FL
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Area Discussion for - Key West, FL
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FXUS62 KKEY 080329 AFDKEY

Area Forecast Discussion National Weather Service Key West FL 1029 PM EST Thu Dec 7 2023

New DISCUSSION, MARINE, AVIATION

DISCUSSION
Issued at 1030 PM EST Thu Dec 7 2023

Currently - High pressure continues to stretch further eastward into the Atlantic from the southeast. In turn, the synoptic surface winds are trying to shift easterly. Moderate easterlies likely prevail over the warmer Florida Straits, while cooler nearshore waters are keeping winds weaker and backed northeasterly. Mild and stable conditions prevail with temperatures near 70 and dew points around or slightly above 60 degrees. This evenings sounding indicated a beefy subsidence inversion based around 850.

Short Term Update - The previously mentioned high will continue to push out into the Atlantic through the overnight period. This will put more pressure on winds to ultimately shift easterly. At some point they will, but the exact timing is uncertain. None of the available guidance, even CAM's, accurately represent the backed nature of nearshore winds, so they offer no help. For now will maintain gentle to moderate northeasterly breezes. Stable conditions should continue as the hefty subsidence inversion is expected to remain dominant. Expect overnight lows to range broadly in the upper 60s with dew points holding in the lower 60s.
No update planned.

MARINE
Issued at 1030 PM EST Thu Dec 7 2023

High pressure building eastward off the southeast Atlantic coast will maintain northeast to easterly breezes. Winds will tend quite a bit weaker and backed northeasterly over our the nearshore waters due to the influences of cooler waters. A caution remains in effect for the Florida Straits. Essentially no changes made in the evening marine update.

AVIATION
(00Z TAFS)
Issued at 1030 PM EST Thu Dec 7 2023

VFR conditions will prevail at the island terminals through the overnight period. Surface winds will be gentle out of the northeast, slowly shifting more easterly.

KEY WATCHES/WARNINGS/ADVISORIES
FL...None.
GM...None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
VCAF1 - 8723970 - Vaca Key, FL 16 mi49 min NE 9.9G12 70°F 71°F
SMKF1 - Sombrero Key, FL 17 mi29 min E 16G20 75°F 30.1062°F
KYWF1 - 8724580 - Key West, FL 24 mi49 min ENE 8G11 70°F 75°F30.14
LONF1 - Long Key, FL 30 mi29 min NE 8G11 71°F 30.1064°F
SANF1 - Sand Key, FL 31 mi29 min ENE 18G20 71°F 30.1161°F

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Wind History for Vaca Key, FL
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMTH THE FLORIDA KEYS MARATHON INTL,FL 19 sm26 minNE 0810 smMostly Cloudy70°F64°F83%30.11
KNQX KEY WEST NAS /BOCA CHICA FIELD/,FL 19 sm26 minNE 0810 smA Few Clouds72°F61°F69%30.12
KEYW KEY WEST INTL,FL 22 sm26 minNE 0910 smOvercast70°F61°F73%30.12

Wind History from NQX
(wind in knots)


Tide / Current for Howe Key, south end, Harbor Channel, Florida
   
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Howe Key
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Thu -- 01:54 AM EST     Moonrise
Thu -- 04:09 AM EST     0.37 feet Low Tide
Thu -- 06:57 AM EST     Sunrise
Thu -- 10:10 AM EST     0.96 feet High Tide
Thu -- 02:02 PM EST     Moonset
Thu -- 04:04 PM EST     0.39 feet Low Tide
Thu -- 05:36 PM EST     Sunset
Thu -- 10:24 PM EST     1.14 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Howe Key, south end, Harbor Channel, Florida, Tide feet
12
am
0.9
1
am
0.7
2
am
0.5
3
am
0.4
4
am
0.4
5
am
0.4
6
am
0.5
7
am
0.7
8
am
0.8
9
am
0.9
10
am
1
11
am
0.9
12
pm
0.8
1
pm
0.7
2
pm
0.6
3
pm
0.4
4
pm
0.4
5
pm
0.4
6
pm
0.6
7
pm
0.7
8
pm
0.9
9
pm
1.1
10
pm
1.1
11
pm
1.1



Tide / Current for No Name Key (northeast of), Florida Current
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No Name Key (northeast of)
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Thu -- 01:24 AM EST     0.00 knots Slack
Thu -- 01:53 AM EST     Moonrise
Thu -- 04:46 AM EST     0.53 knots Max Flood
Thu -- 06:56 AM EST     Sunrise
Thu -- 07:09 AM EST     -0.00 knots Slack
Thu -- 09:52 AM EST     -0.66 knots Max Ebb
Thu -- 01:55 PM EST     0.00 knots Slack
Thu -- 02:01 PM EST     Moonset
Thu -- 05:01 PM EST     0.44 knots Max Flood
Thu -- 05:36 PM EST     Sunset
Thu -- 07:13 PM EST     -0.00 knots Slack
Thu -- 10:08 PM EST     -0.81 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

No Name Key (northeast of), Florida Current, knots
12
am
-0.4
1
am
-0.1
2
am
0.1
3
am
0.4
4
am
0.5
5
am
0.5
6
am
0.4
7
am
0.1
8
am
-0.3
9
am
-0.6
10
am
-0.7
11
am
-0.6
12
pm
-0.4
1
pm
-0.2
2
pm
0
3
pm
0.2
4
pm
0.4
5
pm
0.4
6
pm
0.4
7
pm
0.1
8
pm
-0.3
9
pm
-0.7
10
pm
-0.8
11
pm
-0.7




Weather Map
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GEOS Local Image of gulf of mexico   
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Key West, FL,



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