Five Things to Know: Salt Marshes Under Siege

1. Weather Watch: A slight chance of showers after 2 p.m. Increasing clouds, with a high near 49. Northwest wind 7 to 13 mph. Chance of precipitation is 20 percent.

• Sunrise: 6:34 a.m.
• High tide: noon
• Low tide: 6:05 p.m.
• Sunset: 7:04 p.m.

2. Salt Marshes Under Siege: As a coastal resident, you don't have to be told about the importance of our salt marshes. Find out why they're under pressure tonight with a free lecture by Dr. Robert Buchsbaum of the Audubon Society. 7 p.m. at the Abbot Public Library.

3. Instead of the Police Following You, How About You Follow the Police?: On Twitter, that is. The Marblehead Police Department has started Tweeting. So if you use the micro-blogging service, give 'em a follow.

4. North Shore "American Idol" Contestant Sings Tonight: Angie Miller of Beverly will perform tonight in the round of eight. The show starts at 8 p.m. on Fox. You can follow all the Angie Miller news at our Beverly Patch topic page about her.

5. Sweeney's Retreat Booze License on the Docket: Selectmen meet tonight at 7:30 p.m. at Abbot Hall. Items on the agenda include the liquor license from currently-shuttered Sweeney's Retreat.

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