26 Dec 2025 - 00:19 EST
26 Dec 2025 - 05:19 UTC

Post-tropical Cyclone Dexter at 41.4°N - 50.4°W

North Atlantic Ocean

Last observation: 07 Aug 2025 - 23:10 UTC

« 2025 Storms »

4 Aug 2025 - 7 Aug 2025

Approximately 1500 miles from the U.S. east coast

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PTC Dexter - RGB Loops
PTC Dexter - Channel Loops

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NHC Storm Description:

7 Aug 2025 - 15:00 UTC ...DEXTER BECOMES A STORM-FORCE EXTRATROPICAL LOW OVER THE NORTH ATLANTIC... ...THIS IS THE FINAL NHC ADVISORY... As of 11:00 AM AST Thu Aug 07 the center of Dexter was located near 41.4, -50.4 with movement ENE at 17 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 60 mph.

7 Aug 2025 - 9:00 UTC ...DEXTER EXPECTED TO BECOME A STRONG EXTRATROPICAL LOW OVER THE NORTH ATLANTIC DURING THE NEXT SEVERAL HOURS... As of 5:00 AM AST Thu Aug 07 the center of Dexter was located near 40.6, -52.1 with movement ENE at 18 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 50 mph.

More storm history

7 Aug 2025 - 3:00 UTC ...DEXTER FORECAST TO BECOME A STRONG EXTRATROPICAL LOW OVER THE NORTH ATLANTIC ON THURSDAY... As of 11:00 PM AST Wed Aug 06 the center of Dexter was located near 40.2, -54.2 with movement E at 17 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 50 mph.

6 Aug 2025 - 21:00 UTC ...DEXTER FORECAST TO BECOME A POWERFUL EXTRATROPICAL CYCLONE AS IT MOVES ACROSS THE NORTH ATLANTIC... As of 5:00 PM AST Wed Aug 06 the center of Dexter was located near 40.0, -56.3 with movement ENE at 16 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 50 mph.

6 Aug 2025 - 15:00 UTC ...DEXTER STRENGTHENS A LITTLE MORE... ...LIKELY TO BECOME A POWERFUL EXTRATROPICAL CYCLONE BY FRIDAY AS IT TRAVERSES THE NORTH ATLANTIC... As of 11:00 AM AST Wed Aug 06 the center of Dexter was located near 39.9, -58.2 with movement ENE at 15 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 50 mph.

6 Aug 2025 - 9:00 UTC ...DEXTER STRENGTHENS WHILE MOVING EAST-NORTHEASTWARD... As of 5:00 AM AST Wed Aug 06 the center of Dexter was located near 39.4, -59.9 with movement ENE at 13 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.

6 Aug 2025 - 3:00 UTC ...DEXTER EXPECTED TO BECOME AN EXTRATROPICAL CYCLONE WITHIN THE NEXT COUPLE OF DAYS... As of 11:00 PM AST Tue Aug 05 the center of Dexter was located near 38.9, -61.3 with movement ENE at 12 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

5 Aug 2025 - 21:00 UTC ...DEXTER MAINTAINING ITS INTENSITY AS IT MOVES NORTHEASTWARD... As of 5:00 PM AST Tue Aug 05 the center of Dexter was located near 38.6, -62.2 with movement NE at 13 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

5 Aug 2025 - 15:00 UTC ...DEXTER REMAINS A BIT WEAKER BUT FORECAST TO RE-INTENSIFY AS A POST-TROPICAL CYCLONE IN A COUPLE OF DAYS... As of 11:00 AM AST Tue Aug 05 the center of Dexter was located near 38.0, -63.4 with movement NE at 12 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

5 Aug 2025 - 9:00 UTC ...DEXTER A BIT WEAKER BUT FORECAST TO RE-INTENSIFY AS A POST-TROPICAL CYCLONE IN A COUPLE OF DAYS... As of 5:00 AM AST Tue Aug 05 the center of Dexter was located near 37.3, -64.4 with movement NE at 12 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

5 Aug 2025 - 3:00 UTC ...DEXTER SHOWING LITTLE CHANGE IN STRENGTH... As of 11:00 PM AST Mon Aug 04 the center of Dexter was located near 36.8, -65.6 with movement NE at 13 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 45 mph.

4 Aug 2025 - 21:00 UTC ...DEXTER CONTINUES NORTHEASTWARD... As of 5:00 PM AST Mon Aug 04 the center of Dexter was located near 36.1, -66.2 with movement NE at 15 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 45 mph.

4 Aug 2025 - 15:00 UTC ...DEXTER MOVING NORTHEAST AWAY FROM THE U.S. EAST COAST WITH LITTLE CHANGE IN STRENGTH... As of 11:00 AM AST Mon Aug 04 the center of Dexter was located near 35.2, -67.4 with movement NE at 14 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 45 mph.

4 Aug 2025 - 9:00 UTC ...DEXTER FORECAST TO MOVE AWAY FROM THE U.S. COAST AND STAY NORTH OF BERMUDA... As of 5:00 AM AST Mon Aug 04 the center of Dexter was located near 34.6, -68.3 with movement ENE at 12 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 45 mph.

4 Aug 2025 - 3:00 UTC ...TROPICAL STORM DEXTER FORMS OVER THE WESTERN ATLANTIC... ...FORECAST TO MOVE AWAY FROM THE U.S. COAST AND STAY NORTH OF BERMUDA... As of 11:00 PM AST Sun Aug 03 the center of Dexter was located near 34.3, -69.4 with movement ENE at 12 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 45 mph.