Tropical Storm Arthur Expected to Dissipate by Thursday

The National Hurricane Center in Miami issued Forecast Advisory Number 7 for Tropical Storm Arthur at 9:00 p.m. UTC on Wednesday, June 17, 2026.

At the time of the advisory, the storm’s center was positioned near 28.9 degrees North latitude and 96.1 degrees West longitude, with that position accurate to within 30 nautical miles. The storm was moving toward the north-northeast at approximately 6 knots, on a heading of about 15 degrees.

Arthur was packing maximum sustained winds of 40 knots — roughly 46 miles per hour — with gusts reaching up to 50 knots. The storm’s estimated minimum central pressure stood at 1001 millibars. Tropical storm-force winds of 34 knots extended up to 150 nautical miles to the southeast of the center.

According to the forecast, Arthur is expected to weaken significantly overnight. By 6:00 a.m. UTC Thursday, June 18, the storm is projected to have degraded into a post-tropical remnant low near 30.8 degrees North and 94.6 degrees West, with maximum winds dropping to around 30 knots and gusts near 40 knots.

The National Hurricane Center forecasts that Arthur will have fully dissipated by 6:00 p.m. UTC on Thursday, June 18.

Ships within 300 nautical miles of the storm’s center have been asked to submit reports every three hours. Forecaster Reinhart issued the advisory, with the next update scheduled for 3:00 a.m. UTC Thursday.