Tropical Depression Iona at 15.8°N - 179.5°W

1 Aug 2025 - 15:00 UTC ...IONA WEAKENS A LITTLE MORE... As of 5:00 AM HST Fri Aug 01 the center of Iona was located near 14.6, -176.3 with movement WNW at 21 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

1 Aug 2025 - 9:00 UTC ...IONA WEAKENS SLIGHTLY... As of 11:00 PM HST Thu Jul 31 the center of Iona was located near 14.2, -174.4 with movement WNW at 18 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.

1 Aug 2025 - 3:00 UTC ...IONA CONTINUES WEST-NORTHWESTWARD WITH MINIMAL CHANGE IN INTENSITY... As of 5:00 PM HST Thu Jul 31 the center of Iona was located near 13.7, -172.7 with movement WNW at 23 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 50 mph.

31 Jul 2025 - 21:00 UTC ...IONA NOW MOVING QUICKLY WEST-NORTHWESTWARD WITH LITTLE CHANGE IN STRENGTH... As of 11:00 AM HST Thu Jul 31 the center of Iona was located near 13.2, -170.7 with movement WNW at 22 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 50 mph.

31 Jul 2025 - 15:00 UTC ...IONA MOVING QUICKLY WESTWARD WITH LITTLE CHANGE IN STRENGTH... As of 5:00 AM HST Thu Jul 31 the center of Iona was located near 12.7, -168.7 with movement W at 21 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

31 Jul 2025 - 9:00 UTC ...IONA CONTINUES WESTWARD WITH LITTLE CHANGE IN STRENGTH... As of 11:00 PM HST Wed Jul 30 the center of Iona was located near 12.3, -166.9 with movement W at 23 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

31 Jul 2025 - 3:00 UTC ...IONA REMAINS A TROPICAL STORM AS IT CONTINUES WESTWARD... As of 5:00 PM HST Wed Jul 30 the center of Iona was located near 11.8, -164.8 with movement W at 23 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 50 mph.

30 Jul 2025 - 21:00 UTC ...IONA WEAKENS TO A TROPICAL STORM... As of 11:00 AM HST Wed Jul 30 the center of Iona was located near 11.7, -162.6 with movement W at 22 mph. The minimum central pressure was 994 mb with maximum sustained winds of about 65 mph.

30 Jul 2025 - 15:00 UTC ...IONA CONTINUES TO RAPIDLY WEAKEN... As of 5:00 AM HST Wed Jul 30 the center of Iona was located near 11.5, -160.2 with movement W at 20 mph. The minimum central pressure was 987 mb with maximum sustained winds of about 75 mph.

30 Jul 2025 - 9:00 UTC ...IONA RAPIDLY WEAKENING WELL TO THE SOUTH OF HAWAII... As of 11:00 PM HST Tue Jul 29 the center of Iona was located near 11.3, -158.6 with movement W at 17 mph. The minimum central pressure was 973 mb with maximum sustained winds of about 105 mph.

30 Jul 2025 - 3:00 UTC ...IONA BEGINS TO WEAKEN WELL TO THE SOUTH OF HAWAII... As of 5:00 PM HST Tue Jul 29 the center of Iona was located near 11.0, -157.1 with movement W at 17 mph. The minimum central pressure was 964 mb with maximum sustained winds of about 115 mph.

29 Jul 2025 - 21:00 UTC ...IONA REMAINS A MAJOR HURRICANE SOUTH OF HAWAII... As of 11:00 AM HST Tue Jul 29 the center of Iona was located near 10.9, -155.7 with movement W at 14 mph. The minimum central pressure was 957 mb with maximum sustained winds of about 125 mph.

29 Jul 2025 - 15:00 UTC ...IONA ALMOST A CATEGORY 4 HURRICANE WELL SOUTH OF HAWAII... As of 5:00 AM HST Tue Jul 29 the center of Iona was located near 10.8, -154.3 with movement W at 13 mph. The minimum central pressure was 957 mb with maximum sustained winds of about 125 mph.

29 Jul 2025 - 9:00 UTC ...IONA STRENGTHENS INTO A MAJOR HURRICANE FAR SOUTH-SOUTHEAST OF THE HAWAIIAN ISLANDS... As of 11:00 PM HST Mon Jul 28 the center of Iona was located near 10.8, -153.2 with movement W at 13 mph. The minimum central pressure was 964 mb with maximum sustained winds of about 115 mph.

29 Jul 2025 - 3:00 UTC ...IONA EXPECTED TO BECOME A MAJOR HURRICANE ON TUESDAY... As of 5:00 PM HST Mon Jul 28 the center of Iona was located near 10.9, -152.2 with movement W at 13 mph. The minimum central pressure was 985 mb with maximum sustained winds of about 85 mph.

28 Jul 2025 - 21:00 UTC ...IONA EXPECTED TO STRENGTHEN AS IT MOVES WESTWARD... As of 11:00 AM HST Mon Jul 28 the center of Iona was located near 10.6, -151.0 with movement W at 10 mph. The minimum central pressure was 993 mb with maximum sustained winds of about 75 mph.

28 Jul 2025 - 15:00 UTC ...IONA QUICKLY STRENGTHENS INTO A HURRICANE... As of 5:00 AM HST Mon Jul 28 the center of Iona was located near 10.7, -150.1 with movement W at 10 mph. The minimum central pressure was 994 mb with maximum sustained winds of about 75 mph.

28 Jul 2025 - 9:00 UTC ...IONA STRENGTHENS WELL SOUTHEAST OF HAWAII... As of 11:00 PM HST Sun Jul 27 the center of Iona was located near 10.9, -149.3 with movement W at 12 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

28 Jul 2025 - 3:00 UTC ...IONA BECOMES THE FIRST NAMED STORM OF THE SEASON IN THE CENTRAL PACIFIC... As of 5:00 PM HST Sun Jul 27 the center of Iona was located near 10.9, -148.3 with movement W at 10 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

27 Jul 2025 - 21:00 UTC ...DEPRESSION REMAINS WELL SOUTH OF THE HAWAIIAN ISLANDS... As of 11:00 AM HST Sun Jul 27 the center of One-C was located near 11.0, -147.4 with movement W at 12 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

27 Jul 2025 - 15:00 UTC ...DEPRESSION EXPECTED TO PASS WELL SOUTH OF THE HAWAIIAN ISLANDS... As of 5:00 AM HST Sun Jul 27 the center of One-C was located near 11.0, -146.6 with movement W at 13 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

27 Jul 2025 - 9:00 UTC ...TROPICAL DEPRESSION ONE-C FORMS WELL TO THE SOUTHEAST OF THE HAWAIIAN ISLANDS... As of 11:00 PM HST Sat Jul 26 the center of One-C was located near 10.9, -145.6 with movement W at 12 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 35 mph.