COLUMBIA, S.C. (AP/WJZ) — Tropical Storm Alberto weakened slightly off the South Carolina coast on Sunday, canceling tourist cruises, producing showers along the coast and serving as a reminder that the 2012 Atlantic hurricane season is just around the corner.

The first storm of the season that officially begins June 1 was not expected to approach landfall on the Carolinas’ coast, but it prompted a tropical storm watch and forecasters warned that it could produce high winds, heavy surf, rip currents and scattered rain across the region.

“It’s making the closest approach to the coastline now, so the impacts shouldn’t be much different than what we are already seeing,” said Jonathan Lamb, a meteorologist with the National Weather Service in Charleston, S.C.

At 2 p.m. Eastern, the National Hurricane Center said Alberto was about 110 miles (177 km) south of Charleston. It has maximum sustained winds of 45 mph (72 kph).

It’s currently moving west-southwest at 6 mph (10 kph), but forecasters expect it to turn northeast sometime Monday.

A few rains bands from Alberto reached Hilton Head Island and Savannah, Ga., on Sunday but they moved through in less than an hour. Winds weren’t expected to reach higher than 30 mph at the beaches, Lamb said. From Charleston to the north, even less of an impact was expected.

A tropical storm watch was in effect for the South Carolina coast from the Savannah River to the South Santee River. Forecasters don’t expect tropical storm conditions to reach the coast, but issued the watch as a precaution because the forecast track of Alberto was still uncertain.

The hurricane center said the storm was expected to slow down through Sunday, then begin turning northeast and heading farther out to sea sometime Monday.

Alberto will pass south of Ocean City Tuesday. Even though it will stay over the water, we are going to get rounds of rain and thunderstorms ahead of the storm starting Sunday night and continuing into Tuesday. The surf will kick up a bit, increasing wave heights slightly.

Alberto was named a tropical storm Saturday upon forming in the Atlantic. It was the third tropical storm to form before the official June 1 start of the hurricane season in the past 31 years.

Forecasters said there is no evidence that early-forming storms mean more tropical storms and hurricanes for the rest of the season, especially with storms like Alberto that form from leftover weather fronts and low pressure systems moving off the mainland into the Atlantic.

“It’s anomalous for sure, but there’s really no indication this gives us any idea what the hurricane season is going to be like as a whole,” Lamb said.

The brief bursts of wet weather and occasional gusty winds disrupted some vacation plans along the beaches of southern South Carolina and northern Georgia. Swimmers were warned of dangerous rip currents, although no rescues were reported. Boat operators canceled cruises both for the choppy seas and because concerned vacationers didn’t want to go out with Alberto offshore.

“A lot of people are nervous about the weather, so we are getting cancellations,” said Kate Myers, with Island Explorer Tours on Hilton Head.

The brief storms ended by Sunday morning and the sun was occasionally peeking through, so the captain that runs the afternoon cruise through the salt marshes hoped to take tourists on his scheduled run, Myers said.

“Having a storm out there this early is just strange,” Myers said. “But it has been a weird year for weather.”

(Copyright 2012 by The Associated Press. All Rights Reserved.)

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