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Satellite view of San Diego Bay

San Diego Bay

Bay

Rainy today

bay on the Alaska Peninsula in Alaska, United States

Interactive map not available

Current water conditions

Water temp
53°F
11°C
Cold water — serious cold-shock risk today. At this temperature, sudden immersion can trigger involuntary gasping and sap a strong swimmer's strength within minutes. Enter slowly, never alone, and consider a wetsuit — or sit this one out.

Live data from NOAA buoy SNDA2 (15.7 mi away), as of Aug 21, 12:54 AM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at San Diego Bay

H: 58° L: 51°
Patchy rain nearby
Patchy rain nearby
58°
|
Feels like 56°
Precipitation
42%
Humidity
70%
Wind
4 mph
UV Index
3
Water Conditions:
🥶Too cold for most swimmers🌧️Rain expected
12 AM
Mist
52°
3 AM
Overcast
51°
6 AM
Overcast
51°
9 AM
Partly Cloudy
52°
12 PM
Patchy rain nearby
55°
3 PM
Partly Cloudy
58°
6 PM
Patchy rain nearby
58°
9 PM
Sunny
55°

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Frequently asked questions

Where is San Diego Bay?
San Diego Bay is a bay in Alaska.
What is the water temperature at San Diego Bay?
As of August 21, 2026, the water temperature at San Diego Bay in Alaska is 53°F (11°C), measured by NOAA buoy SNDA2, 15.7 miles away.
Can you swim at San Diego Bay?
There is no fixed answer for San Diego Bay: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at San Diego Bay in Alaska. Check current water conditions before you go, and follow posted signs and local guidance.

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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

Alaska

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