HomeForecastsFlorida ForecastsSummerland Key, FL - Niles Channel South Coastal Forecast

Summerland Key, FL - Niles Channel South Coastal Forecast

FZUS52 KKEY 220328
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1028 PM EST Sat Dec 21 2024

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.

Wave Detail will include details about the period and direction
of origin for the highest energy waves. Long-period swells coming
from a different direction than the wind would be included in the
Wave Detail.

GMZ005-220930-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1028 PM EST Sat Dec 21 2024

.SYNOPSIS...A broad high pressure system will slide to the east
across the eastern United States tonight through Sunday,
resulting in breezes boxing to the northeast. Early next week a
coastal trough will develop from the Carolinas south to the
Florida Peninsula. This may result in a brief period of diminished
breezes. A second high pressure system will settle into the
Eastern Seaboard Wednesday through Thursday resulting in another
period of freshening breezes with the potential for fresh to
occasionally strong breezes by next weekend.

The Approximate Shoreward Edge of the Gulf Stream as of December
21...

59 NM South of Dry Tortugas Light...on Loggerhead Key.
31 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
19 NM South of Sand Key Light...off Key West.
19 NM South of Looe Key...off Big Pine Key.
19 NM South of Sombrero Key Light...off Marathon.
2 NM Southeast of Alligator Reef Light...off Islamorada.
2 NM Southeast of Molasses Reef Light...off Key Largo.
1 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic
Office.

$$

GMZ031-220930-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1028 PM EST Sat Dec 21 2024

.OVERNIGHT...Northwest to north winds near 10 knots, becoming
north and increasing to near 15 knots. Bay waters a light chop,
becoming a moderate chop.
.SUNDAY...North winds 10 to 15 knots, becoming north to northeast
and decreasing to 5 to 10 knots in the afternoon. Bay waters a
light to moderate chop, becoming smooth to a light chop.
.SUNDAY NIGHT...Northeast winds near 10 knots. Bay waters a light
chop.
.MONDAY...Northeast to east winds 10 to 15 knots. Bay waters a
light to moderate chop.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters a
light to moderate chop.
.TUESDAY...Northeast to east winds near 10 knots. Bay waters a
light chop. Isolated showers.
.TUESDAY NIGHT...East winds near 10 knots. Bay waters a light
chop. Isolated showers.
.WEDNESDAY...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Isolated showers.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Bay
waters a light to moderate chop. Isolated showers.
.THURSDAY AND THURSDAY NIGHT...East winds 10 to 15 knots. Bay
waters a light to moderate chop. Isolated showers.

$$

GMZ032-035-220930-
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-
1028 PM EST Sat Dec 21 2024

.OVERNIGHT...Northwest to north winds 10 to 15 knots, becoming
north to northeast. Seas 2 to 3 feet. Nearshore waters a light to
moderate chop.
.SUNDAY...North to northeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet. Nearshore waters a light to
moderate chop, becoming a light chop.
.SUNDAY NIGHT...Northeast winds near 10 knots, increasing to 10 to
15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the
Marquesas Keys. Nearshore waters a light chop, becoming a light to
moderate chop.
.MONDAY...Northeast to east 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.
.MONDAY NIGHT...Northeast 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.
.TUESDAY...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.
.TUESDAY NIGHT...Northeast to east winds near 10 knots. Seas
1 to 2 feet. Nearshore waters a light chop. Isolated showers.
.WEDNESDAY...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers.
.WEDNESDAY NIGHT AND THURSDAY...East to southeast winds 10 to 15
knots. Seas 1 to 2 feet. Nearshore waters a light to a moderate
chop. Isolated showers.
.THURSDAY NIGHT...East winds near 15 knots. Seas 1 to 3 feet.
Nearshore waters a moderate chop. Isolated showers.

$$

GMZ042>044-220930-
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-
1028 PM EST Sat Dec 21 2024

.OVERNIGHT...North winds 10 to 15 knots, increasing to near 15
knots. Seas 1 to 2 feet, except 2 to 3 feet west of Cosgrove Shoal
Light. Nearshore waters a light to moderate chop, becoming a
moderate chop.
.SUNDAY...North to northeast winds 10 to 15 knots. Seas 1 to
2 feet, except 2 to 3 feet west of Cosgrove Shoal Light.
Nearshore waters a light to moderate chop.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Nearshore waters a light to moderate chop.
.MONDAY...Northeast to east winds 10 to 15 knots. Seas 2 to 3
feet. Nearshore waters a light to moderate chop.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore
waters a light to moderate chop. Isolated showers.
.TUESDAY NIGHT...East winds near 10 knots. Seas around 2 feet.
Nearshore waters a light chop. Isolated showers.
.WEDNESDAY...East winds near 10 knots. Seas around 2 feet.
Nearshore waters a light chop. Isolated showers.
.WEDNESDAY NIGHT AND THURSDAY...East to southeast winds 10 to 15
knots. Seas 2 to 3 feet. Nearshore waters a light to moderate
chop. Isolated showers.
.THURSDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop. Isolated showers.

$$

GMZ052>055-072>075-220930-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge 20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas 20 to 60 NM out-
1028 PM EST Sat Dec 21 2024

.OVERNIGHT...North winds 10 to 15 knots, increasing to near 15
knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
North 3 feet at 6 seconds.
.SUNDAY...North to northeast winds 10 to 15 knots. Seas 3 to 4
feet, occasionally to 5 feet. Wave Detail: Northwest 3 feet at 7
seconds and northeast 2 feet at 4 seconds.
.SUNDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Northeast to east
4 feet at 5 seconds and west to northwest 2 feet at 7 seconds.
.MONDAY...Northeast to east winds near 15 knots. Seas 4 to
5 feet, occasionally to 6 feet.
.MONDAY NIGHT AND TUESDAY...East winds 10 to 15 knots. Seas 3 to
5 feet, occasionally to 6 feet. Isolated showers.
.TUESDAY NIGHT AND WEDNESDAY...East winds 10 to 15 knots. Seas 3
to 5 feet, occasionally to 6 feet. Isolated showers.
.WEDNESDAY NIGHT AND THURSDAY...East to southeast winds near 15
knots. Seas 4 to 5 feet, occasionally to 6 feet. Isolated showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 7 feet. Isolated showers.

$$

GMZ033-034-220930-
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
1028 PM EST Sat Dec 21 2024

.OVERNIGHT...North winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest to north 4 feet at
6 seconds.
.SUNDAY...North to northeast winds 10 to 15 knots. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: Northwest to north
3 feet at 6 seconds.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: North to northeast 3 feet at 5 seconds.
.MONDAY...Northeast to east winds 10 to 15 knots. Seas 2 to 3
feet.
.MONDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 2 to
3 feet.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Isolated showers.
.WEDNESDAY...Northeast to east winds 5 to 10 knots. Seas 1 to 2
feet. Isolated showers.
.WEDNESDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Isolated showers.
.THURSDAY...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Isolated showers.
.THURSDAY NIGHT...East winds near 15 knots. Seas 2 to 4 feet.
Isolated showers.

$$

JAM


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