Subtropical Cyclone 04L Subtropical Cyclone 04L Here’s what the computer models are showing According to the NHC, the depression is moving toward the east-northeast near 10 mph (17 km/h) and a turn toward the northeast with some increase in forward speed is expected during the next 48 hours. Maximum sustained winds remain near 35 mph (55 km/h) with higher gusts. Some slight strengthening is possible early Tuesday, and the subtropical depression could briefly become a subtropical storm. Slow weakening is expected to begin by Tuesday afternoon or evening.