8 October 2026 - bulletin 718

Issued at 1525 GMT
Latest warnings for 09L, 15E, 18E, 20E and 27W
Disturbance update


NORTHERN ATLANTIC OCEAN
HURRICANE Isaias / 09L
Warning 08 from NHC at 1500 GMT
Position 23.7N 90.2W
Location 170 miles N of Progreso, Mexico
Movement 060° (ENE) at 9 knots
Maximum sustained winds 75 knots gusting to 90 knots
Winds of 34 knots or higher occur within 90 miles of the centre
Winds of 64 knots or higher occur within 15 miles of the centre
Minimum central pressure 975 mbar
Threatened landmasses Louisiana, Mississippi, Alabama, Florida
Next warning from NHC at 1800 GMT

Regional warnings

EASTERN PACIFIC OCEAN
Tropical storm Rachel / 18E

Warning 46 from NHC at 1500 GMT
Position 22.1N 124.2W
Location 915 miles W of the southern tip of Baja California
Movement 290° (WNW) at 6 knots
Maximum sustained winds 60 knots gusting to 75 knots
Winds of 34 knots or higher occur within 115 miles of the centre
Minimum central pressure 985 mbar
Threatened landmasses NONE
Next warning from NHC at 2100 GMT

Tropical storm Simon / 20E
Warning 05 from NHC at 1500 GMT
Position 15.4N 103.1W
Location 255 miles SSE of Manzanillo, Mexico
Movement 275° (W) at 4 knots
Maximum sustained winds 55 knots gusting to 70 knots
Winds of 34 knots or higher occur within 70 miles of the centre
Minimum central pressure 995 mbar
Threatened landmasses Mexico
Next warning from NHC at 1800 GMT

NORTHWESTERN PACIFIC OCEAN
Tropical storm Nolo / 15E
Warning 72 from JTWC at 1500 GMT
Position 27.6N 152.7E
Location 815 miles ESE of Tokyo, Japan
Movement 290° (WNW) at 13 knots
Maximum sustained winds 50 knots gusting to 65 knots
Winds of 34 knots or higher occur within 70 to 100 miles of the centre
Minimum central pressure 992 mbar
Threatened landmasses NONE
Maximum significant wave height 28 feet
Next warning from JTWC at 2100 GMT

TYPHOON Koguma / 27W

Warning 15 from JTWC at 1500 GMT
Position 17.7N 159.0E
Location 774 miles ENE of Saipan
Movement 295° (WNW) at 12 knots
Maximum sustained winds 65 knots gusting to 80 knots
Winds of 34 knots or higher occur within 45 to 60 miles of the centre
Winds of 64 knots or higher occur within 25 to 30 miles to the east of the centre
Minimum central pressure 985 mbar
Threatened landmasses NONE
Maximum significant wave height 26 feet
Next warning from JTWC at 2100 GMT

TROPICAL DISTURBANCE UPDATE
EASTERN PACIFIC OCEAN
Update from NHC at 0600 GMT
System No Invest Assigned
Position 10N 95W
Likelihood of tropical cyclone formation within 48 hours is NIL 
Likelihood of tropical cyclone formation within 7 days is MEDIUM (40%)

No comments: