171
FZUS52 KTBW 171900
CWFTBW

Coastal Waters Forecast for Florida
National Weather Service Tampa Bay Ruskin FL
300 PM EDT Thu Apr 17 2025

Gulf coastal waters from Bonita Beach to the mouth of the
Suwannee River out to 60 NM.

Important notice to mariners...marine forecasts are issued at
least four times a day. Boaters on extended trips should
routinely monitor subsequent forecast issuances and updates for
the latest marine weather information.

The wave heights are forecast as significant wave height which is
the average of the highest one-third of the waves. The highest
waves may rarely be twice the significant wave height. The winds
and seas near thunderstorms may be higher than forecast.

GMZ800-180300-
Synopsis for the coastal waters from Bonita Beach to Suwannee River-
300 PM EDT Thu Apr 17 2025

.SYNOPSIS...
High pressure will hold over the waters through early next week
with dry conditions each day. Winds are expected to remain below
cautionary levels, with an easterly surge of wind each night.

&&

$$

GMZ830-180300-
Tampa Bay waters-
300 PM EDT Thu Apr 17 2025

.TONIGHT...Northwest winds 5 to 10 knots, becoming east around
10 knots overnight. Bay and inland waters light chop.
.FRIDAY...East winds around 10 knots. Bay and inland waters light
chop.
.FRIDAY NIGHT...East winds 10 to 15 knots. Bay and inland waters
a moderate chop.
.SATURDAY...East winds 10 to 15 knots. Bay and inland waters a
moderate chop.
.SATURDAY NIGHT...East winds 10 to 15 knots. Bay and inland
waters a moderate chop.
.SUNDAY...East winds 10 to 15 knots, becoming south 5 to 10 knots
in the afternoon. Bay and inland waters a moderate chop.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
overnight. Bay and inland waters light chop.
.MONDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Bay and inland waters light chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop.
.TUESDAY...Southeast winds around 5 knots, becoming southwest in
the afternoon. Bay and inland waters light chop.

$$

GMZ836-180300-
Charlotte Harbor and Pine Island Sound-
300 PM EDT Thu Apr 17 2025

.TONIGHT...West winds 5 to 10 knots, becoming east around 10 knots
overnight. Bay and inland waters light chop.
.FRIDAY...East winds around 10 knots. Bay and inland waters light
chop.
.FRIDAY NIGHT...East winds around 10 knots. Bay and inland waters
light chop.
.SATURDAY...East winds 10 to 15 knots. Bay and inland waters a
moderate chop.
.SATURDAY NIGHT...East winds around 10 knots. Bay and inland
waters light chop.
.SUNDAY...East winds around 10 knots, becoming southeast in the
afternoon. Bay and inland waters light chop.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming east
overnight. Bay and inland waters light chop.
.MONDAY...East winds around 10 knots, becoming south in the
afternoon. Bay and inland waters light chop.
.MONDAY NIGHT...Southwest winds 5 to 10 knots, becoming east
after midnight. Bay and inland waters light chop.
.TUESDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Bay and inland waters light chop.

$$

GMZ856-180300-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
300 PM EDT Thu Apr 17 2025

.TONIGHT...Northwest winds 5 to 10 knots, becoming east around
10 knots overnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: Northeast 1 foot at 2 seconds and
northwest 1 foot at 5 seconds, becoming east 1 foot at 3 seconds
and northwest 1 foot at 4 seconds. Bay and inland waters a
light chop.
.FRIDAY...East winds 10 to 15 knots, becoming south 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: East 1 foot at
3 seconds and northwest 1 foot at 4 seconds. Bay and inland
waters a moderate chop.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: Southeast 1 foot
at 3 seconds, becoming east 2 feet at 3 seconds and south 1 foot
at 7 seconds. Bay and inland waters a moderate chop.
.SATURDAY...East winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 3 seconds and south 1 foot at 6 seconds.
Bay and inland waters a moderate chop.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 4 seconds and southeast 1 foot at
7 seconds. Bay and inland waters a moderate chop.
.SUNDAY...East winds 10 to 15 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds
and south 2 feet at 7 seconds. Bay and inland waters a moderate
chop.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming east 10 to
15 knots overnight. Seas around 2 feet. Bay and inland waters a
moderate chop.
.MONDAY...East winds 10 to 15 knots, becoming south 5 to 10 knots
in the afternoon. Seas around 2 feet. Bay and inland waters a
moderate chop.
.MONDAY NIGHT...South winds 5 to 10 knots, becoming east
overnight. Seas around 2 feet in the evening, then 1 foot or
less. Bay and inland waters light chop.
.TUESDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. Bay and inland waters light chop.

$$

GMZ876-180300-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
300 PM EDT Thu Apr 17 2025

.TONIGHT...West winds 5 to 10 knots, becoming east 10 to 15 knots
overnight. Seas around 2 feet. Wave Detail: North 1 foot at
4 seconds.
.FRIDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 3 seconds and north 1 foot at
4 seconds.
.FRIDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East
3 feet at 5 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at
7 seconds and east 2 feet at 4 seconds.
.SUNDAY...East winds 15 to 20 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Southeast 4 feet at 5 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
10 to 15 knots with gusts up to 20 knots after midnight. Seas
2 to 3 feet.
.MONDAY...East winds 10 to 15 knots, becoming southeast 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...South winds 5 to 10 knots, becoming east after
midnight. Seas around 2 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.

$$

GMZ853-180300-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
300 PM EDT Thu Apr 17 2025

.TONIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots overnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: North 1 foot at 4 seconds, becoming east
1 foot at 3 seconds and northwest 1 foot at 4 seconds. Bay and
inland waters a moderate chop.
.FRIDAY...East winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail: East
2 feet at 3 seconds and north 1 foot at 3 seconds. Bay and inland
waters a moderate chop.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots after midnight. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: Southeast
1 foot at 3 seconds, becoming east 2 feet at 3 seconds and south
1 foot at 7 seconds. Bay and inland waters a moderate chop.
.SATURDAY...East winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail: East
2 feet at 3 seconds and south 1 foot at 7 seconds. Bay and inland
waters a moderate chop.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
with gusts up to 20 knots after midnight. Seas around 2 feet.
Wave Detail: East 2 feet at 3 seconds and south 1 foot at
6 seconds. Bay and inland waters a moderate chop.
.SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots,
becoming south 5 to 10 knots in the afternoon. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds and south 2 feet at
7 seconds. Bay and inland waters a moderate chop.
.SUNDAY NIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots after midnight. Seas around 2 feet. Bay and inland
waters a moderate chop.
.MONDAY...Southeast winds 10 to 15 knots, becoming south 5 to
10 knots in the afternoon. Seas around 2 feet. Bay and inland
waters a moderate chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas around 2 feet. Bay and inland waters light
chop.
.TUESDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Bay and inland waters light chop.

$$

GMZ873-180300-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
300 PM EDT Thu Apr 17 2025

.TONIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots overnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: North 1 foot at 4 seconds, becoming
northeast 1 foot at 4 seconds.
.FRIDAY...Southeast winds around 15 knots with gusts up to
20 knots, becoming south 5 to 10 knots in the afternoon. Seas
around 2 feet. Wave Detail: East 2 feet at 4 seconds.
.FRIDAY NIGHT...Variable winds around 5 tknots, becoming east
10 to 15 knots with gusts up to 20 knots overnight. Seas around
2 feet. Wave Detail: East 2 feet at 4 seconds and south 1 foot at
7 seconds.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
5 seconds.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming east
10 to 15 knots with gusts up to 20 knots after midnight. Seas
2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.SUNDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 3 feet at 5 seconds.
.SUNDAY NIGHT...North winds around 5 knots, becoming east 10 to
15 knots after midnight. Seas 2 to 3 feet.
.MONDAY...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...West winds around 5 knots, becoming east after
midnight. Seas around 2 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.

$$

GMZ850-180300-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
300 PM EDT Thu Apr 17 2025

.TONIGHT...Northwest winds 5 to 10 knots, becoming east around
10 knots overnight. Seas 1 foot or less. Wave Detail: North
1 foot at 3 seconds. Bay and inland waters light chop.
.FRIDAY...Southeast winds 10 to 15 knots, becoming northwest 5 to
10 knots in the afternoon. Seas 1 foot or less. Wave Detail:
Southeast 1 foot at 2 seconds. Bay and inland waters a moderate
chop.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots overnight. Seas 1 foot or less. Wave Detail: Southeast
1 foot at 2 seconds. Bay and inland waters a moderate chop.
.SATURDAY...East winds around 10 knots, becoming northwest in the
late afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds. Bay and inland waters light chop.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming
southeast 10 to 15 knots after midnight. Seas 1 foot or less,
then 1 to 2 feet after midnight. Wave Detail: Southeast 1 foot at
3 seconds, becoming east 2 feet at 3 seconds and south 1 foot at
7 seconds. Bay and inland waters a moderate chop.
.SUNDAY...Southeast winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail:
Southeast 2 feet at 3 seconds and south 1 foot at 6 seconds. Bay
and inland waters a moderate chop.
.SUNDAY NIGHT...North winds 5 to 10 knots, becoming southeast
after midnight. Seas 1 foot or less. Bay and inland waters light
chop.
.MONDAY...Southeast winds 5 to 10 knots, becoming southwest in
the afternoon. Seas 1 to 2 feet in the morning, then 1 foot or
less. Bay and inland waters light chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming east
after midnight. Seas 1 foot or less. Bay and inland waters light
chop.
.TUESDAY...Southeast winds around 5 knots, becoming southwest in
the afternoon. Seas 1 foot or less. Bay and inland waters light
chop.

$$

GMZ870-180300-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
300 PM EDT Thu Apr 17 2025

.TONIGHT...North winds 5 to 10 knots, becoming east around
10 knots overnight. Seas 1 foot or less. Wave Detail: North 1
foot at 3 seconds.
.FRIDAY...Southeast winds 10 to 15 knots, becoming variable 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 3 seconds.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots overnight. Seas 1 foot or less, then around 2 feet after
midnight. Wave Detail: Southeast 1 foot at 4 seconds, becoming
east 2 feet at 4 seconds.
.SATURDAY...Southeast winds 10 to 15 knots, becoming east 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 5 seconds.
.SATURDAY NIGHT...North winds 5 to 10 knots, becoming east 10 to
15 knots with gusts up to 20 knots after midnight. Seas 2 to
3 feet. Wave Detail: East 2 feet at 3 seconds and south 2 feet at
6 seconds.
.SUNDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming south 5 to 10 knots in the afternoon. Seas
2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds.
.SUNDAY NIGHT...North winds around 5 knots, becoming east after
midnight. Seas around 2 feet.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.MONDAY NIGHT...Northwest winds around 5 knots, becoming east
after midnight. Seas around 2 feet.
.TUESDAY...South winds around 5 knots. Seas around 2 feet.

$$