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Marine Weather and Tide Forecast for North Key Largo, FL

April 18, 2025 7:16 PM EDT (23:16 UTC) Change Location
Sunrise 6:54 AM   Sunset 7:47 PM
Moonrise 12:00 AM   Moonset 9:34 AM 
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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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NOTE: Zones were updated 3/20/2025
AMZ630 Biscayne Bay- 400 Pm Edt Fri Apr 18 2025

.small craft advisory in effect through Sunday morning - .

Tonight - E winds 15 to 20 kt. Choppy.

Sat - E winds 15 to 20 kt with gusts up to 25 kt. Choppy.

Sat night - E winds 15 to 20 kt with gusts up to 25 kt. Choppy.

Sun - E winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Choppy.

Sun night through Wed night - E winds 15 to 20 kt with gusts up to 25 kt. Choppy.
AMZ600 400 Pm Edt Fri Apr 18 2025

Synopsis for jupiter inlet to ocean reef fl out to 60 nm and for east cape sable to bonita beach fl out to 60 nm -
high pressure will persist over the western atlantic and keep a fresh to occasionally strong east wind across the south florida waters through the weekend. Wind could decrease slightly during the early part of next week. Hazardous boating conditions will be in place through the weekend, with some improvement possible early next week.
gulf stream hazards: seas to 7 feet this afternoon through Saturday night.
the approximate location of the west wall of the gulf stream as of apr 17, 2025 - .
6 nautical miles south southeast of fowey rocks. 7 nautical miles east of port everglades. 3 nautical miles east northeast of lake worth. 6 nautical miles east northeast of jupiter inlet.
this data courtesy of the naval oceanographic office.

7 Day Forecast for Marine Location Near North Key Largo CDP, FL
   
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NEW! Add second zone forecast

Tide / Current for Ocean Reef Harbor, Key Largo, Florida
  
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Ocean Reef Harbor
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Fri -- 12:11 AM EDT     Moonrise
Fri -- 12:27 AM EDT     2.23 feet High Tide
Fri -- 06:36 AM EDT     0.59 feet Low Tide
Fri -- 06:55 AM EDT     Sunrise
Fri -- 10:33 AM EDT     Moonset
Fri -- 12:21 PM EDT     2.01 feet High Tide
Fri -- 06:47 PM EDT     0.21 feet Low Tide
Fri -- 07:45 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Ocean Reef Harbor, Key Largo, Florida does not exist in database. Press Edit above and select a valid nearby location.

Ocean Reef Harbor, Key Largo, Florida, Tide feet
12
am
2.2
1
am
2.2
2
am
2
3
am
1.6
4
am
1.2
5
am
0.8
6
am
0.6
7
am
0.6
8
am
0.8
9
am
1.1
10
am
1.5
11
am
1.8
12
pm
2
1
pm
2
2
pm
1.7
3
pm
1.4
4
pm
0.9
5
pm
0.5
6
pm
0.3
7
pm
0.2
8
pm
0.4
9
pm
0.7
10
pm
1.2
11
pm
1.6

Tide / Current for Caesar Creek, Biscayne Bay, Florida Current
  
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Caesar Creek
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Fri -- 12:11 AM EDT     Moonrise
Fri -- 02:21 AM EDT     -0.00 knots Slack
Fri -- 05:19 AM EDT     -1.22 knots Max Ebb
Fri -- 06:55 AM EDT     Sunrise
Fri -- 08:55 AM EDT     0.00 knots Slack
Fri -- 10:33 AM EDT     Moonset
Fri -- 10:53 AM EDT     0.52 knots Max Flood
Fri -- 12:56 PM EDT     -0.00 knots Slack
Fri -- 05:22 PM EDT     -1.70 knots Max Ebb
Fri -- 07:45 PM EDT     Sunset
Fri -- 09:10 PM EDT     0.00 knots Slack
Fri -- 11:48 PM EDT     0.98 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Caesar Creek, Biscayne Bay, Florida Current does not exist in database. Press Edit above and select a valid nearby location.

Caesar Creek, Biscayne Bay, Florida Current, knots
12
am
1
1
am
0.6
2
am
0.2
3
am
-0.4
4
am
-0.9
5
am
-1.2
6
am
-1.1
7
am
-0.8
8
am
-0.4
9
am
0
10
am
0.4
11
am
0.5
12
pm
0.3
1
pm
-0
2
pm
-0.4
3
pm
-0.9
4
pm
-1.4
5
pm
-1.7
6
pm
-1.6
7
pm
-1.2
8
pm
-0.7
9
pm
-0.1
10
pm
0.5
11
pm
0.9

Area Discussion for Miami-South Florida, FL
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NOTE: mouseover dotted underlined text for definition
FXUS62 KMFL 181609 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 1209 PM EDT Fri Apr 18 2025

New SHORT TERM, AVIATION, MARINE, BEACHES

SHORT TERM
(Rest of today through Saturday)
Issued at 1202 PM EDT Fri Apr 18 2025

GFS/Euro and model ensembles remain consistent with keeping the region under the influence of a dominant high pressure system through the short term, centered around the Atlantic seaboard and expanding across the SE CONUS and into the Florida peninsula. 00Z MFL sounding show PWATs below 1 inch, along with a deep and robustly dry layer from 850mb and above. Models keep the Florida peninsula, and especially South Florida, in the southern periphery of the circulation of the high, which will keep generally E winds in place today.

Meanwhile, ensembles depict a rather complex weather pattern developing over the central plains with multiple low/frontal features. These features will push the high further SE, with the sfc ridge becoming more elongated. In response, pressure gradients increase across the area and resulting in periods of breezy/gusty winds along the Atlantic side. Wind gusts are expected in the 25-30 mph range, strongest right along the immediate coast.

With a strong mid level ridge remaining in place through the short term, along with the dry profile of the air mass and overall subsidence, no rain is expected during the weekend. Therefore, the dry and warm conditions will continue. Afternoon highs will remain in the low 80s near the Atlantic metro areas, and in the mid-upper 80s over interior and Gulf coast areas. Wouldn't be too surprising if a few locations over the Gulf side of South Florida were to hit the low 90s.

LONG TERM
(Saturday night through Thursday)
Issued at 303 AM EDT Fri Apr 18 2025

Throughout the weekend, the forecast will continue to be heavily influenced by the strong Atlantic surface high, as well as the mid level ridging and high pressure. These atmospheric features will prevent much needed moisture with model guidance forecasting approximately 60-70% of normal precipitable water and afternoon dew points in the low 60s in South Florida. Therefore, even with the easterly breeze and warm temperatures, conditions are expected to remain dry and stable throughout the weekend and into next week.
There will be a slow warming trend bringing high temperatures into the mid-to-upper 80s across a majority of the region, with a potential for abnormal near 90 across SW Florida by Sunday.
Overnight temperatures will be cool and comfortable, with outgoing longwave radiation and little sky coverage, allowing for lows to drop into the 60s, except low 70s along the east coast. With very dry air and very dry fuels regionwide, winds and RH values will be watched carefully as the conditions will be prime for ignition and rapid burns.

As we move into early to mid next week, the west Atlantic high will maintain a stronghold of our weather with dry and stable conditions continuing. Pressure gradients tighten which will lead to potential for windy conditions across the east coast metro and Atlantic waters. There will not be a sufficient increase in the moisture levels with the air mass still projected to be too dry for precipitation. Temperatures will continue to reach the mid 80s to low 90s in the afternoon for a majority of the region - slightly cooler in the east coast metro. Low temperatures will drop into the 60s, except for low 70s across the east coast.

AVIATION
(18Z TAFS)
Issued at 1202 PM EDT Fri Apr 18 2025

VFR conditions prevail with dry and breezy easterly flow through the period.

MARINE
Issued at 1202 PM EDT Fri Apr 18 2025

Increasingly breezy easterly flow continues this afternoon and a Small Craft Advisory has been issued through Sunday morning for Atlantic waters, and starting early Saturday morning for some southern marine waters on the Gulf side. Conditions may remain hazardous for small craft through the rest of the weekend and into early next week.

The seas are expected to gradually increase and reach the 4-6 feet range by this afternoon, and last through Saturday morning. Can't rule out occasional 7 ft seas, mainly over the southern-most Atlantic waters.

BEACHES
Issued at 1202 PM EDT Fri Apr 18 2025

Breezy easterly winds will bring a high risk of rip currents for all Atlantic beaches today and through at least Sunday. Elevated surf will also affect portions of the Atlantic beaches with surf heights in the 4-5 feet range later today and through Saturday.

PRELIMINARY POINT TEMPS/POPS
Miami 73 81 73 83 / 0 0 0 0 West Kendall 69 83 69 85 / 0 0 0 0 Opa-Locka 71 83 71 85 / 0 0 0 0 Homestead 71 82 71 83 / 0 0 0 0 Fort Lauderdale 72 80 72 81 / 0 0 0 0 N Ft Lauderdale 72 80 72 82 / 0 0 0 0 Pembroke Pines 72 85 72 86 / 0 0 0 0 West Palm Beach 70 81 71 82 / 0 0 0 0 Boca Raton 71 82 71 83 / 0 0 0 0 Naples 65 88 66 87 / 0 0 0 0

MFL WATCHES/WARNINGS/ADVISORIES
FL...High Rip Current Risk through Sunday evening for FLZ168-172-173.

AM...Small Craft Advisory from 4 PM this afternoon to 8 AM EDT Sunday for AMZ630.

Small Craft Advisory until 8 AM EDT Sunday for AMZ650-651-670- 671.

GM...Small Craft Advisory from 8 AM Saturday to 8 AM EDT Sunday for GMZ657.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
MDKF1 7 mi137 min 80°F
MNBF1 9 mi137 min 80°F
THRF1 9 mi137 min 79°F
HCEF1 - Highway Creek, FL 10 mi137 min 80°F
LBSF1 - Little Blackwater, FL 11 mi137 min 80°F
LSNF1 - Long Sound, FL 11 mi137 min 82°F
BBSF1 12 mi137 min 79°F
BWSF1 - Blackwater Sound, FL 13 mi137 min 81°F
DKKF1 - Duck Key, FL 15 mi137 min 78°F
TCVF1 - Trout Cove, FL 15 mi137 min 81°F
JBYF1 16 mi137 min 80°F
BNKF1 - Butternut Key, FL 20 mi137 min 80°F
LMDF1 - Little Madeira, FL 21 mi137 min 81°F
TRRF1 - Taylor River, FL 21 mi137 min 84°F
TBYF1 26 mi137 min 84°F
BOBF1 - Bob Allen, FL 29 mi137 min 80°F
GBTF1 - Garfield Bight, FL 30 mi137 min 82°F
VAKF1 - 8723214 - Virginia Key, FL 30 mi47 minENE 13G18 77°F 79°F30.19
WRBF1 - Whipray Basin, FL 30 mi137 min13 80°F
BKYF1 33 mi137 min 85°F
LRIF1 33 mi137 min 83°F
NRRF1 34 mi137 min 80°F
CANF1 - Cane Patch, FL 36 mi137 min 79°F
LRKF1 - Little Rabbit Key, FL 37 mi137 min 80°F
PKYF1 - Peterson Key, FL 37 mi137 min 79°F
TPEF1 - Tarpon Bay East, FL 37 mi137 min 81°F
JKYF1 - Johnson Key, FL 38 mi137 min 82°F
MUKF1 - Murray Key, FL 38 mi137 min 79°F
BDVF1 - Broad River, FL 40 mi137 min 82°F
GBIF1 - Gunboat Island, FL 41 mi137 min 80°F
HREF1 43 mi137 min 79°F
SREF1 44 mi137 min 79°F
LONF1 - Long Key, FL 45 mi27 minE 19 77°F 30.1264°F
WIWF1 - Willy Willy, FL 45 mi137 min 78°F


Wind History for Virginia Key, FL
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KHST HOMESTEAD ARB,FL 14 sm21 minENE 0810 smMostly Cloudy77°F63°F61%30.16

Weather Map
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GEOS Local Image of Southeast  
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Miami, FL,





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