Lake Whatcom
Lake Whatcom, located in Whatcom County, Washington, is a fantastic destination for divers of all levels of experience. With multiple entry points, you can easily access the water and start your underwater adventure. The lake offers a variety of depths, ranging from shallow areas to considerably deeper sections. As you explore the underwater landscape, be mindful of stirring up the bottom by kicking it.
While diving in Lake Whatcom, you'll come across a diverse array of marine life. Freshwater clams, crayfish, largemouth and smallmouth bass, trout, golf balls, and even dog toys can be found beneath the surface. However, the most exciting discovery to date has been a jar of pickled pigs feet.
Lake Whatcom provides a visibility of approximately 3 meters, allowing you to appreciate the underwater environment with clarity. The maximum depth reaches around 10 meters, making it suitable for divers of all skill levels, including beginners. This serene dive site is nestled in the beautiful surroundings of the United States, within close proximity to Prospect Way, Larson Mill, and Bellingham.
Whether you're a novice diver or a seasoned enthusiast, Lake Whatcom offers an incredible underwater experience that you won't want to miss. Dive in and explore the wonders that await you beneath the surface.
While diving in Lake Whatcom, you'll come across a diverse array of marine life. Freshwater clams, crayfish, largemouth and smallmouth bass, trout, golf balls, and even dog toys can be found beneath the surface. However, the most exciting discovery to date has been a jar of pickled pigs feet.
Lake Whatcom provides a visibility of approximately 3 meters, allowing you to appreciate the underwater environment with clarity. The maximum depth reaches around 10 meters, making it suitable for divers of all skill levels, including beginners. This serene dive site is nestled in the beautiful surroundings of the United States, within close proximity to Prospect Way, Larson Mill, and Bellingham.
Whether you're a novice diver or a seasoned enthusiast, Lake Whatcom offers an incredible underwater experience that you won't want to miss. Dive in and explore the wonders that await you beneath the surface.
Diving Conditions Score for Lake Whatcom
6.7
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Lake Whatcom
Depth
10m
Visibility
3m
Experience Level
beginner
Weather Conditions for Lake Whatcom
Wave Height
0.04m
Wind Speed
2.2 m/s
Water Temp
18°C
Visibility
39.6km
Cloud Cover
14%
Wave Period
2.2s
Air Temperature
14.6°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Lake Whatcom
Alpha
Dive Score Chart for Lake Whatcom
Best time to dive: 6:00 with score 8.255454545454546/10. Water conditions: Waves 0.04m, Wind 5.6 m/s.Best night dive time: 4:00 with score 7.589782539682539/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Lake Whatcom: 06:00
Sunset at Lake Whatcom: 18:00
Optimal diving conditions at Lake Whatcom are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.
Best Overall
6:00Score: 8.3/10
Waves: 0.04m (2.2s), Wind: 5.6 m/s
Best Night
4:00Score: 7.6/10
Waves: 0.04m, Wind: 8 m/s
Seasonal Analysis for Lake WhatcomAlpha
Historical patterns and best seasons for diving at Lake Whatcom
The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.
Monthly Dive Score Analysis - Seasonal Diving Conditions
Higher values indicate better diving conditions
Seasonal DiveScore Chart
This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.
Higher values indicate better diving conditions
Best Season for Lake Whatcom
Winter
Avg. Score: 8.8/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for Lake Whatcom
January
Score: 9.2
February
Score: 8.8
December
Score: 8.5
Ideal Conditions for Lake Whatcom
Water Temp
17.6°C / 63.7°F
August
Visibility
17.0m / 55.8ft
November
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Lake Whatcom
Lake Whatcom shows typical northern hemisphere patterns with August being the warmest month (17.6°C) and December the coldest (-2.7°C). The calmest conditions typically occur in January with average wave heights of 0.2m and wave periods of 8.0s. The most comfortable wave conditions are in January with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). July is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during January to March, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.
Last updated: 1 min. ago - Jun 4, 2026
Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.
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