26 Dec 2025 - 10:23 EST
26 Dec 2025 - 15:23 UTC

Post-tropical Cyclone Sonia at 15.3°N - 126.1°W

North Pacific Ocean

Last observation: 29 Oct 2025 - 17:10 UTC

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24 Oct 2025 - 29 Oct 2025

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NHC Storm Description:

29 Oct 2025 - 9:00 UTC ...SONIA WEAKENS INTO A POST-TROPICAL REMNANT LOW... As of 2:00 AM PDT Wed Oct 29 the center of Sonia was located near 15.3, -126.1 with movement W at 10 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.

29 Oct 2025 - 3:00 UTC ...SONIA REMAINS A TROPICAL STORM, EXPECTED TO WEAKEN INTO A REMNANT LOW LATER TONIGHT... As of 8:00 PM PDT Tue Oct 28 the center of Sonia was located near 15.4, -125.3 with movement W at 12 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

More storm history

28 Oct 2025 - 21:00 UTC ...SONIA WEAKENING, FORECAST TO BECOME A REMNANT LOW TONIGHT... As of 2:00 PM PDT Tue Oct 28 the center of Sonia was located near 15.3, -124.3 with movement WNW at 9 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.

28 Oct 2025 - 15:00 UTC ...SONIA EXPECTED TO BECOME A REMNANT LOW TONIGHT... As of 8:00 AM PDT Tue Oct 28 the center of Sonia was located near 15.1, -123.5 with movement WNW at 8 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.

28 Oct 2025 - 9:00 UTC ...SONIA STRENGTHENS SLIGHTLY... As of 2:00 AM PDT Tue Oct 28 the center of Sonia was located near 14.8, -122.8 with movement WNW at 8 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.

28 Oct 2025 - 3:00 UTC ...SONIA REMAINS A TROPICAL STORM... As of 8:00 PM PDT Mon Oct 27 the center of Sonia was located near 14.5, -122.2 with movement WNW at 7 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.

27 Oct 2025 - 21:00 UTC ...SONIA MOVING WESTWARD... As of 2:00 PM PDT Mon Oct 27 the center of Sonia was located near 14.1, -121.6 with movement W at 7 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 40 mph.

27 Oct 2025 - 15:00 UTC ...SHEARED SONIA MOVING WESTWARD... As of 8:00 AM PDT Mon Oct 27 the center of Sonia was located near 13.8, -121.1 with movement W at 7 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 45 mph.

27 Oct 2025 - 9:00 UTC ...SONIA HOLDING STEADY WHILE MOVING WEST-NORTHWESTWARD... As of 2:00 AM PDT Mon Oct 27 the center of Sonia was located near 14.2, -120.6 with movement WNW at 7 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 45 mph.

27 Oct 2025 - 3:00 UTC ...SONIA HOLDING STEADY... As of 8:00 PM PDT Sun Oct 26 the center of Sonia was located near 14.1, -120.0 with movement WNW at 6 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 45 mph.

26 Oct 2025 - 21:00 UTC ...SONIA WEAKENS... As of 2:00 PM PDT Sun Oct 26 the center of Sonia was located near 13.8, -119.8 with movement WNW at 3 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 45 mph.

26 Oct 2025 - 15:00 UTC ...SONIA HOLDING STEADY AND MOVING SLOWLY WESTWARD... As of 8:00 AM PDT Sun Oct 26 the center of Sonia was located near 13.7, -119.9 with movement W at 3 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 50 mph.

26 Oct 2025 - 9:00 UTC ...SONIA MOVING SLOWLY WESTWARD WITH LITTLE CHANGE IN STRENGTH... As of 2:00 AM PDT Sun Oct 26 the center of Sonia was located near 13.4, -119.5 with movement W at 5 mph. The minimum central pressure was 1002 mb with maximum sustained winds of about 50 mph.

26 Oct 2025 - 3:00 UTC ...SONIA SLOWLY MOVING WESTWARD... As of 8:00 PM PDT Sat Oct 25 the center of Sonia was located near 13.5, -119.3 with movement W at 5 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

25 Oct 2025 - 21:00 UTC ...SONIA SLIGHTLY BETTER ORGANIZED AND HEADING WESTWARD... As of 2:00 PM PDT Sat Oct 25 the center of Sonia was located near 13.5, -118.9 with movement W at 8 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

25 Oct 2025 - 15:00 UTC ...SONIA CONTINUES STRENGTHENING AS IT MOVES WESTWARD FAR FROM LAND... As of 8:00 AM PDT Sat Oct 25 the center of Sonia was located near 13.5, -118.1 with movement W at 8 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

25 Oct 2025 - 9:00 UTC ...DEPRESSION STRENGTHENS TO TROPICAL STORM SONIA... As of 2:00 AM PDT Sat Oct 25 the center of Sonia was located near 13.3, -117.6 with movement W at 9 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 40 mph.

25 Oct 2025 - 3:00 UTC ...DEPRESSION FORECAST TO STRENGTHEN DURING THE NEXT COUPLE OF DAYS... As of 8:00 PM PDT Fri Oct 24 the center of Eighteen-E was located near 13.2, -116.6 with movement W at 7 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.

24 Oct 2025 - 21:00 UTC ...NEW TROPICAL DEPRESSION FORMS OVER THE OPEN EASTERN PACIFIC... As of 2:00 PM PDT Fri Oct 24 the center of Eighteen-E was located near 13.2, -116.0 with movement W at 13 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.