Marine Weather Net

St. Augustine to Flagler Beach, FL 20 - 60 NM Marine Forecast


TODAY

SE
WINDS
15 - 20
KNOTS

TONIGHT

S
WINDS
15 - 20
KNOTS

WEDNESDAY

S
WINDS
15 - 20
KNOTS

WEDNESDAY NIGHT

S
WINDS
10 - 15
KNOTS

The Marine Weather Forecast In Detail:
AMZ474 Forecast Issued: 522 AM EDT Tue Jul 15 2025

SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM NOON EDT TODAY THROUGH WEDNESDAY AFTERNOON
Today...East Winds 10 To 15 Knots, Becoming Southeast 15 To 20 Knots This Afternoon. Seas 2 To 3 Feet. Wave Detail: East 3 Feet At 5 Seconds. A Chance Of Showers With A Slight Chance Of Thunderstorms.
Tonight...South Winds 15 To 20 Knots. Seas 3 To 5 Feet, Occasionally To 6 Feet. Wave Detail: South 4 Feet At 5 Seconds. A Chance Of Showers With A Slight Chance Of Thunderstorms.
Wednesday...South Winds 15 To 20 Knots. Seas Around 4 Feet, Occasionally To 5 Feet. Wave Detail: South 4 Feet At 6 Seconds. A Chance Of Thunderstorms. Showers Likely, Mainly In The Morning.
Wednesday Night...South Winds 10 To 15 Knots. Seas 3 To 4 Feet, Occasionally To 5 Feet. Wave Detail: Southeast 4 Feet At 6 Seconds. A Chance Of Showers And Thunderstorms.
Thursday...South Winds 10 To 15 Knots. Seas Around 3 Feet. Wave Detail: Southeast 3 Feet At 6 Seconds. A Chance Of Showers. A Slight Chance Of Thunderstorms In The Morning, Then A Chance Of Thunderstorms In The Afternoon.
Thursday Night...South Winds 10 To 15 Knots, Diminishing To 5 To 10 Knots After Midnight. Seas Around 3 Feet. Wave Detail: Southeast 3 Feet At 7 Seconds. A Chance Of Showers With A Slight Chance Of Thunderstorms.
Friday...South Winds 5 To 10 Knots. Seas Around 3 Feet. A Slight Chance Of Thunderstorms In The Morning. A Chance Of Showers Through The Day. A Chance Of Thunderstorms In The Afternoon, Then A Slight Chance Of Showers And Thunderstorms Through The Night.
Saturday...South Winds 5 To 10 Knots. Seas 2 To 3 Feet. A Slight Chance Of Thunderstorms. Winds And Seas Higher In And Near Thunderstorms.
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Area Forecast Discussion
National Weather Service Jacksonville FL
715am EDT Tuesday July 15 2025

.SHORT TERM... (Wednesday through Thursday night) Issued at 1247am EDT Tuesday July 15 2025

Area of low pressure will move west across northern Gulf Wednesday, as high pressure builds to the east. There will still be local impacts from the low Wednesday, in the form of higher precipitation chances over inland areas, as moisture wraps northeast across region from the low.

Precipitation chances will decrease a little on Thursday, as high pressure ridge moves closer to overhead.

Temperatures this period will trend a little above average.

Long Term
(Friday through Monday) Issued at 1247am EDT Tuesday July 15 2025

The high pressure ridge will continue to extend across the area Friday. The ridge will move to the southeast over the weekend, as a trough develops in the southeastern US. This pattern will persist then into early next week.

Above average precipitation chances expected this period, especially inland due to flow from the south then southwest.

Temperatures will trend above normal this period.

Marine
Issued at 1247am EDT Tuesday July 15 2025

A weak area of low pressure over the Gulf Stream off the Florida East Coast will begin to shift westward this morning. An increase in showers and thunderstorms coverage is expected Today as the low shifts westward across the Florida peninsula tonight and into the eastern Gulf on Wednesday, with low pressure potentially strengthening later in the week near the northern Gulf coast. NHC has highlighted the northern Gulf coast for a low chance of tropical/subtropical development for this week. Prevailing northeasterly winds Today will shift to southerly by tonight as the low shifts west of our local waters, with south-southeasterly winds briefly strengthening to Caution levels tonight and Wednesday. Rounds of showers and thunderstorms will continue through late in the week as southerly winds prevail.

Rip Currents
A more solid Moderate risk of rip currents is expected today as the low pressure off the Florida East Coast tracks westward into Florida Peninsula tonight, which will increase onshore winds slightly today with surf/breakers around 2 feet. Moderate risk will continue on Wednesday as South to Southeast winds increase surf/breakers to 2-3 ft.

NOAA Jacksonville FL Office: Watches - Warnings - Advisories
FL...None. GA...None. AM...None.