Marine Weather and Tide Forecast for Islamorada, Village of Islands , FL
April 18, 2025 7:24 PM EDT (23:24 UTC) Change Location
![]() | Sunrise 6:54 AM Sunset 7:47 PM Moonrise 12:00 AM Moonset 9:36 AM |
GMZ042 Hawk Channel From Ocean Reef To Craig Key Out To The Reef- Hawk Channel From Craig Key To West End Of Seven Mile Bridge Out To The Reef- Hawk Channel From West End Of Seven Mile Bridge To Halfmoon Shoal Out To The Reef- 434 Pm Edt Fri Apr 18 2025
.small craft advisory in effect - .
Tonight - East winds near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. NEarshore waters rough.
Saturday and Saturday night - East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. NEarshore waters very rough.
Sunday - East winds near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. NEarshore waters rough.
Sunday night - East winds near 20 knots, decreasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. NEarshore waters rough, becoming choppy. Isolated showers.
Monday - East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. NEarshore waters choppy. Isolated showers.
Monday night - East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. NEarshore waters choppy. Isolated showers.
Tuesday - East to southeast winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. NEarshore waters a moderate chop. Isolated showers.
Tuesday night - East winds near 15 knots. Seas 2 to 3 feet. NEarshore waters a moderate chop. Isolated showers.
Wednesday - East winds near 15 knots. Seas 2 to 3 feet. NEarshore waters a moderate chop. Isolated showers.
Wednesday night - East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. NEarshore waters choppy. Isolated showers.
GMZ005 Synopsis For Keys Coastal Waters From Ocean Reef To Dry Tortugas 434 Pm Edt Fri Apr 18 2025
Synopsis - Strong easterly breezes are forecast to peak on Saturday and Saturday night. Breezes will slacken gradually over the start of the week as the atlantic high pressure system weakens.
the approximate shoreward edge of the gulf stream as of april 16 - .
30 nm south of dry tortugas light - .on loggerhead key. 8 nm south of cosgrove shoal light - .off the marquesas keys. 5 nm south of sand key light - .off key west. 9 nm south of looe key - .off big pine key. 13 nm south of sombrero key light - .off marathon. 15 nm southeast of alligator reef light - .off islamorada. 14 nm southeast of molasses reef light - .off key largo. 12 nm east of carysfort reef light - .off ocean reef.
gulf stream information courtesy of the national weather service in key west based on products from nasa sport.
the approximate shoreward edge of the gulf stream as of april 16 - .
30 nm south of dry tortugas light - .on loggerhead key. 8 nm south of cosgrove shoal light - .off the marquesas keys. 5 nm south of sand key light - .off key west. 9 nm south of looe key - .off big pine key. 13 nm south of sombrero key light - .off marathon. 15 nm southeast of alligator reef light - .off islamorada. 14 nm southeast of molasses reef light - .off key largo. 12 nm east of carysfort reef light - .off ocean reef.
gulf stream information courtesy of the national weather service in key west based on products from nasa sport.
7 Day Forecast for Marine Location Near Islamorada, Village of Islands , FL

NEW! Add second zone forecast
Tavernier Creek Click for Map Fri -- 12:11 AM EDT Moonrise Fri -- 01:02 AM EDT 1.27 feet High Tide Fri -- 06:56 AM EDT Sunrise Fri -- 07:14 AM EDT 0.34 feet Low Tide Fri -- 10:35 AM EDT Moonset Fri -- 12:56 PM EDT 1.15 feet High Tide Fri -- 07:25 PM EDT 0.12 feet Low Tide Fri -- 07:46 PM EDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |   |
Tavernier Creek, Hwy. 1 bridge, Hawk Channel, Florida, Tide feet
12 am |
1.2 |
1 am |
1.3 |
2 am |
1.2 |
3 am |
1.1 |
4 am |
0.8 |
5 am |
0.6 |
6 am |
0.4 |
7 am |
0.3 |
8 am |
0.4 |
9 am |
0.5 |
10 am |
0.7 |
11 am |
0.9 |
12 pm |
1.1 |
1 pm |
1.1 |
2 pm |
1.1 |
3 pm |
0.9 |
4 pm |
0.7 |
5 pm |
0.4 |
6 pm |
0.2 |
7 pm |
0.1 |
8 pm |
0.1 |
9 pm |
0.3 |
10 pm |
0.5 |
11 pm |
0.8 |
Long Key Click for Map Fri -- 12:12 AM EDT Moonrise Fri -- 12:30 AM EDT 1.08 knots Max Flood Fri -- 04:22 AM EDT -0.00 knots Slack Fri -- 06:56 AM EDT -0.75 knots Max Ebb Fri -- 06:57 AM EDT Sunrise Fri -- 10:00 AM EDT 0.00 knots Slack Fri -- 10:37 AM EDT Moonset Fri -- 12:29 PM EDT 0.58 knots Max Flood Fri -- 03:06 PM EDT -0.00 knots Slack Fri -- 06:59 PM EDT -1.12 knots Max Ebb Fri -- 07:47 PM EDT Sunset Fri -- 10:24 PM EDT 0.00 knots Slack Tide / Current data from XTide NOT FOR NAVIGATION |   |
Long Key, east of drawbridge, Florida Current, knots
12 am |
1 |
1 am |
1 |
2 am |
0.8 |
3 am |
0.5 |
4 am |
0.2 |
5 am |
-0.3 |
6 am |
-0.6 |
7 am |
-0.7 |
8 am |
-0.6 |
9 am |
-0.3 |
10 am |
-0 |
11 am |
0.3 |
12 pm |
0.6 |
1 pm |
0.6 |
2 pm |
0.3 |
3 pm |
0 |
4 pm |
-0.3 |
5 pm |
-0.7 |
6 pm |
-1 |
7 pm |
-1.1 |
8 pm |
-1 |
9 pm |
-0.6 |
10 pm |
-0.2 |
11 pm |
0.3 |
Area Discussion for Miami-South Florida, FL
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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.
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.
Wind History for Vaca Key, FL
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Airport Reports
Link to 1 hour of 5 minute data for KMTH
Terminal Aerodrome Forecast (TAF) for KMTH
Wind History Graph: MTH
(wind in knots)GEOS Local Image of Southeast
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Miami, FL,

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