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Miramichi — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Miramichi, trends, monthly ranges and the forecast for the coming days.

Miramichi River, Canada
Miramichi River, Canada © By Lesfreck, GFDL

Current Water Temperature

14.4°C
Today
15.1°C
Yesterday
15.7°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Miramichi today is 14.4°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart Over the Last 30 Days

From August 21 to September 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 1415.7°C15.9°C
SEP 1515.6°C15.9°C
SEP 1616.2°C15.9°C
SEP 1715.2°C15.9°C
SEP 1815.5°C15.9°C
SEP 1915.2°C15.9°C
SEP 2015.1°C15.9°C
SEP 2114.4°C15.9°C
SEP 2215.9°C14.5°C
SEP 2315.9°C14.6°C
SEP 2415.9°C14.6°C
SEP 2515.9°C14.7°C
SEP 2615.9°C14.8°C
SEP 2715.9°C14.9°C
SEP 2815.9°C14.9°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January0°C3°C4°C
February0°C3°C4°C
March0°C3°C5°C
April0°C5°C11°C
May4°C8°C15°C
June7°C13°C19°C
July15°C20°C25°C
August17°C21°C25°C
September11°C16°C21°C
October7°C12°C16°C
November3°C6°C11°C
December0°C3°C6°C

Miramichi: Weather Forecast

September 22

° / °
overcast
rain: 1% | wind:

September 23

° / °
clear sky
rain: 0% | wind:

September 24

° / °
clear sky
rain: 0% | wind:

September 25

° / °
overcast
rain: 17% | wind:

September 26

° / °
overcast
rain: 22% | wind:

Location & Local Information

Miramichi, located in northeastern New Brunswick, is surrounded by a network of rivers, lakes, and streams, with the Miramichi River being the most prominent. The region experiences a humid continental climate, which causes substantial seasonal changes in water temperature. In early spring, after the snow and ice melt, the Miramichi River and nearby lakes remain cold, averaging around 37–43°F (3–6°C). By late May and June, temperatures gradually rise to about 52–59°F (11–15°C). During midsummer, from July through August, surface water in calm stretches and shallow lakes can reach 66–73°F (19–23°C), providing some of the most comfortable freshwater swimming conditions in the province. As autumn begins, the water cools again below 59°F (15°C) by late September.

Swimming in the Miramichi area is allowed and widely enjoyed, particularly in the many quiet pools and small lakes scattered throughout the region. The Miramichi River is well known for its clear water and scenic surroundings, attracting both swimmers and anglers in summer. While the main current of the river can be strong, numerous calmer spots are suitable for safe recreational swimming. The best time to swim is from late June to early September, when both the air and water temperatures are at their warmest and most inviting.

Frequently Asked Questions

What is the current water temperature in Miramichi?
Water Temperature in Miramichi today is 14.4°C.
What is the water temperature in Miramichi during the summer months?
The water temperature in Miramichi in summer fluctuates in the range of 7°C - 25°C.
Is it possible to swim in any bodies of water in Miramichi (Canada), and what are the available options for doing so?
Yes — you can swim in Miramichi in the Miramichi River and its tributaries, in some local lakes and ponds, at municipal indoor and outdoor pools and at seasonal or designated beach/swimming areas, but conditions and water quality vary so check local advisories before entering.