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Miyagi Prefecture

Miyagi Prefecture Sea Temperature

This page provides detailed information about the water temperature in Miyagi Prefecture, Japan. All countries, cities and resorts on the coast. The range of sea temperatures for today. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Sea Temperature

7.9°C

minimal

8.1°C

average

8.2°C

maximum

Graph of Sea Temperature Changes in Miyagi Prefecture Over the Last 60 Days

Water temperature in the Miyagi Prefecture by month

Month	Minimum	Maximum
January	4°C	15°C
February	3°C	13°C
March	4°C	11°C
April	6°C	14°C
May	8°C	18°C
June	12°C	21°C
July	16°C	27°C
August	20°C	28°C
September	17°C	28°C
October	16°C	25°C
November	12°C	21°C
December	9°C	18°C

The Warmest Places on the Seaside in Miyagi Prefecture Today

8°C

Matsushima

8°C

Sendai

List of All Coastal Cities in Miyagi Prefecture

Seas and Oceans that Border Miyagi Prefecture

Pacific Ocean

Water Temperature in Miyagi Prefecture: General Trends and Swimming Opportunities

Original name of the region: 宮城県

Miyagi Prefecture, located on the eastern coast of Honshu, Japan, faces the Pacific Ocean and experiences significant seasonal variations in water temperature. During the summer months, from June to August, the seawater temperature along the coastline typically ranges from 64°F to 73°F (18°C to 23°C). These conditions are comfortable for swimming and other water activities, especially in the coastal areas around Sendai and the beautiful Matsushima Bay. The warm waters attract visitors who enjoy both the beach environment and the opportunity to explore the local marine life.

As autumn sets in, the sea temperature starts to cool gradually. In September and October, the water temperature ranges from 59°F to 64°F (15°C to 18°C), which is still relatively pleasant for outdoor activities such as fishing or boating. However, by November, the seawater temperature drops to between 50°F and 59°F (10°C to 15°C), making it much too cold for swimming and limiting water-based leisure activities.

In the winter months, the water temperature along the Miyagi coastline continues to drop, ranging from 41°F to 50°F (5°C to 10°C). These cold temperatures make swimming and other water sports almost impossible, but the coastal beauty and tranquil atmosphere attract those looking for a peaceful winter retreat. Despite the chilly waters, the stunning landscapes and natural beauty of Miyagi’s coastline provide a different appeal during the colder months, offering opportunities for hiking, sightseeing, and cultural exploration.

Geographical Location of Miyagi Prefecture

Frequently Asked Questions About Miyagi Prefecture and its Water Temperatures

What is the current sea temperature on the coast of Miyagi Prefecture in Japan?

The sea temperature today on the coast of Miyagi Prefecture ranges from 46°F (7.9°C) in Sendai to 47°F (8.2°C) in Matsushima.

When does the sea in Miyagi Prefecture in Japan reach a comfortable swimming temperature?

In Miyagi Prefecture (Japan) the sea temperature can reach 70°F (21°C) in July, August, September, and October. It should be noted that the mentioned values apply to the warmest point of the region. In other areas of Miyagi Prefecture, the values may vary.

What are the most popular seaside resorts in Miyagi Prefecture?

The most popular places on the coast of Miyagi Prefecture (Japan), based on our visitors' interest in the water temperature, are cities Sendai and Matsushima.

Which seas and oceans does the Miyagi Prefecture have access to?

Miyagi Prefecture (Japan) has access only to the Pacific Ocean.