Marin’s Celestial Spectacle: Blue Moon, Lowest Tides, and Wildlife Wonders
Ready for something special, Marin? May 31st could be a day to remember across our county, and not just for folks who stare up at the stars.
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We’re getting a rare Blue Moon lighting up the night above Sausalito, Tiburon, and Belvedere. At the same time, some of the lowest early-morning tides in recent memory will ripple along our coastlines, from Muir Beach to Point Reyes National Seashore.
This mix of sky and sea might just give us a front-row seat to some wild changes in local wildlife. It’s a chance to see how these natural rhythms shape our home.
The Blue Moon & the Pull of the Tides
A “Blue Moon” doesn’t mean the moon turns blue, despite how it sounds. It’s just the second full moon in a single month—pretty rare, and honestly, it gives May a bit of extra magic.
Catch it from a Marin Headlands overlook or maybe just your own backyard in Mill Valley. Either way, the view promises to be something you’ll want to remember.
What’s even cooler? This full moon syncs up with some of the lowest tides we’ve seen lately across the Bay Area, especially along Stinson Beach and Bolinas. These tides peel back the shoreline, exposing parts of the intertidal zone that usually stay hidden.
You might spot all sorts of marine life that typically keeps out of sight. Coastal creatures could act a little differently, too, with all this extra space and light.
Unusual Visitors: From Fur Seals to Feathered Friends
This tidal oddity, mixed with shifting ocean conditions, seems to be luring some unexpected guests to Marin County’s shores. The reports are a bit surprising, honestly, and remind us just how alive and unpredictable our coast can be.
Pelicans on Patrol, Far from the Bay
One of the strangest sights lately? Brown pelicans—birds we usually see gliding over the bay—have been showing up on park trails, way inland from their normal hangouts.
Experts think these majestic birds are getting blown off course or maybe just running low on energy. It’s not something you see every day.
Apparently, warmer waters in the central Pacific are pushing their favorite fish further north. That’s leaving some seabirds hungry and nudging them to explore new spots, even if it means wandering away from the coast.
A Guadalupe Fur Seal’s Detour
There’s more. People have spotted Guadalupe fur seals lounging at Drakes Beach.
These seals usually stick to waters far south, near Mexico, so seeing them here is pretty unusual. Their visit hints at just how connected our oceans really are—and how quickly things can change when the water warms up.
Terrestrial Delights: Butterflies and Blossoms
The ocean’s got its surprises, sure, but Marin’s inland spots are buzzing too—especially for pollinators. With the seasons shifting and native plants in bloom, insect life is thriving.
A Tortoiseshell Takeover
Take a stroll along Bear Valley Trail or wander near White House Pool and you might spot butterflies swarming. These aren’t your average butterflies; they’re the vivid, orange-and-black California tortoiseshells.
This year, biologists say it’s an *abundant hatch year* for them. Basically, there’s a population explosion, and West Marin skies are full of these little showstoppers.
The main reason? Their favorite host plant, the deep-blue ceanothus shrub—people often call it wild lilac. When these blue blossoms scatter across the hillsides, they turn into nurseries for the tortoiseshells.
Honestly, it’s a scene worth pausing for. Blue blooms, bright butterflies—Marin’s hills are putting on quite a display.
Summer’s Sweet Invitation
Summer’s almost here, and Marin’s natural world is gearing up with its own set of rewards. Ripening berries usually follow the first burst of native shrub blossoms.
If you look along the trails or out in the open, you’ll notice the soft, white flowers of blackberry canes. You might also spot the gentle blooms of thimbleberry shrubs.
These flowers are a sure sign that berry season’s on its way. It’s just another reason to appreciate the resilient beauty of Marin’s landscape.
Whether you’re watching the Blue Moon from Novato, wandering the tidal flats at Tomales Bay, or hiking Point Reyes, there’s always something new to notice. Sometimes it’s the small shifts in nature that tell the best stories about Marin County.
Here is the source article for this story: Nature Notebook, May 28, 2026
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