Marine Forecast GMZ031

Expires:202507141430;;402056
FZUS52 KKEY 140227
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1027 PM EDT Sun Jul 13 2025

Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef
to south of Dry Tortugas, and the extreme southeastern Gulf of
America, 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.


GMZ031-141430
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound
1027 PM EDT Sun Jul 13 2025

OVERNIGHT

Variable winds near 5 knots. Bay waters smooth.
Scattered showers and isolated thunderstorms.

MONDAY

Variable winds near 5 knots. Bay waters smooth.
Bay waters rough and winds higher in and around widespread
showers and scattered thunderstorms.

MONDAY NIGHT

Variable winds near 5 knots, becoming south to
southwest after midnight. Bay waters smooth. Numerous showers and
scattered thunderstorms.

TUESDAY

South winds 5 to 10 knots. Bay waters smooth to a
light chop. Numerous showers and scattered thunderstorms.

TUESDAY NIGHT

Southeast to south winds 5 to 10 knots,
increasing to 10 to 15 knots after midnight. Bay waters smooth to
a light chop, becoming a light to moderate chop. Scattered
showers and thunderstorms.

WEDNESDAY

Southeast to south winds 10 to 15 knots, decreasing
to near 10 knots. Bay waters a light to moderate chop, becoming a
light chop. Numerous showers and scattered thunderstorms.

WEDNESDAY NIGHT

East to southeast winds near 10 knots,
becoming southeast and increasing to near 15 knots. Bay waters a
light chop, becoming a moderate chop. Scattered showers and
isolated thunderstorms.

THURSDAY THROUGH FRIDAY NIGHT

East to southeast winds 10 to 15
knots. Bay waters a light to moderate chop. Scattered showers and
isolated thunderstorms.




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