GMZ001-082115-
Synopsis for the Gulf of America
505 AM EDT Thu Oct 8 2026
.SYNOPSIS...Hurricane Isaias is near 23.3N 91.2W at 5 AM EDT, and
is moving east-northeast at 8 kt. Maximum sustained winds are 70
kt with gusts to 85 kt, and the minimum central pressure is 979
mb. Isaias will move to 24.2N 90.0W this afternoon, 25.9N 88.6W
Fri morning, 28.4N 87.6W Fri afternoon, move inland and weaken to
a tropical storm near 31.0N 87.6W Sat morning, move inland and
weaken to a tropical depression near 33.7N 88.5W Sat afternoon,
and inland to 36.0N 88.7W Sun morning. Isaias will dissipate early
Mon. Swells will affect the western and northern portions of the
Yucatan Peninsula beginning later today and spread northward
toward the Gulf Coast on Friday. These swells are likely to cause
life-threatening surf and rip current conditions. In the wake of
Isaias, weak high pressure will develop over the north-central
Gulf by Sun evening, providing moderate or weaker return flow
through midweek.
$$
GMZ041-082115- SW Louisiana Offshore Waters including Flower Garden Bank Marine Sanctuary- 505 AM EDT Thu Oct 8 2026 TODAY NE winds 20 to 25 kt. Seas 6 to 8 ft. Scattered showers and isolated tstms. TONIGHT NE winds 20 to 25 kt. Seas 7 to 10 ft in NE to E swell. Scattered showers and isolated tstms. FRI NE winds 25 to 30 kt. Seas 9 to 14 ft in NE to E swell. Scattered showers and isolated tstms. FRI NIGHT N to NE winds 25 to 30 kt, diminishing to 15 to 20 kt late. Seas 10 to 16 ft in E swell. Scattered showers and isolated tstms. SAT N winds 10 to 15 kt. Seas 9 to 14 ft in NE to E swell, subsiding to 7 to 10 ft in NE to E swell in the afternoon. SAT NIGHT N to NE winds 10 to 15 kt, shifting to E late. Seas 5 to 7 ft in E swell. SUN E to SE winds 10 to 15 kt. Seas 3 to 5 ft, subsiding to 3 ft or less in the afternoon. SUN NIGHT E to SE winds 15 to 20 kt. Seas 3 ft or less. MON E to SE winds 10 to 15 kt. Seas 3 ft or less. $$
GMZ041-082115- SW Louisiana Offshore Waters including Flower Garden Bank Marine Sanctuary- 505 AM EDT Thu Oct 8 2026 TODAY NE winds 20 to 25 kt. Seas 6 to 8 ft. Scattered showers and isolated tstms. TONIGHT NE winds 20 to 25 kt. Seas 7 to 10 ft in NE to E swell. Scattered showers and isolated tstms. FRI NE winds 25 to 30 kt. Seas 9 to 14 ft in NE to E swell. Scattered showers and isolated tstms. FRI NIGHT N to NE winds 25 to 30 kt, diminishing to 15 to 20 kt late. Seas 10 to 16 ft in E swell. Scattered showers and isolated tstms. SAT N winds 10 to 15 kt. Seas 9 to 14 ft in NE to E swell, subsiding to 7 to 10 ft in NE to E swell in the afternoon. SAT NIGHT N to NE winds 10 to 15 kt, shifting to E late. Seas 5 to 7 ft in E swell. SUN E to SE winds 10 to 15 kt. Seas 3 to 5 ft, subsiding to 3 ft or less in the afternoon. SUN NIGHT E to SE winds 15 to 20 kt. Seas 3 ft or less. MON E to SE winds 10 to 15 kt. Seas 3 ft or less. $$