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Satellite view of Portage Bay

Portage Bay

Bay

Use caution — an official advisory is in effect

Use caution

Use caution — an official advisory is in effect: an Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas.

  • An Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas.
  • Water temperature is 89°F, warm enough that sun and heat are the main concerns.

bay in Plaquemines Parish, United States of America

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Use caution — an official advisory is in effect

Use caution

Use caution — an official advisory is in effect: an Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas.

  • An Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas. NWS New Orleans LA
  • Water temperature is 89°F, warm enough that sun and heat are the main concerns. NOAA buoy PSTL1, as of Aug 21, 11:00 PM UTC
  • Heavy rain today can raise bacteria levels near outfalls and river mouths.
Water temp
89°F
32°C

No official beach-advisory feed for Louisiana yet — follow posted signs and local guidance.

Live data from NOAA buoy PSTL1 (16.6 mi away), as of Aug 21, 11:00 PM UTC.

Weather at Portage Bay

H: 93° L: 77°
Heavy rain
Heavy rain
82°
|
Feels like 89°
Precipitation
79%
Humidity
79%
Wind
9 mph
UV Index
0
Water Conditions:
🏊Perfect for swimming🌧️Rain expected
12 AM
Clear
84°
3 AM
Partly Cloudy
82°
6 AM
Clear
82°
9 AM
Sunny
89°
12 PM
Overcast
92°
3 PM
Heavy rain
77°
6 PM
Heavy rain
84°
9 PM
Heavy rain at times
82°

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Frequently asked questions

Where is Portage Bay?
Portage Bay is a bay in Louisiana.
What is the water temperature at Portage Bay?
As of August 21, 2026, the water temperature at Portage Bay in Louisiana is 89°F (32°C), measured by NOAA buoy PSTL1, 16.6 miles away.
Can you swim at Portage Bay?
Use caution — an official advisory is in effect: an Extreme Heat Warning is in effect for Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge and other areas. Checked August 21, 2026.

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Best Times to Visit

🌧️
Right Now
Not ideal for outdoor activities today
General Tips:
  • Weekday mornings (8–10 AM) are typically less crowded
  • Check the forecast 2–3 days ahead for best planning
  • Avoid holiday weekends for a quieter experience
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Louisiana

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