SS Keystorm (Wreck)
The S.S. Keystorm is an exceptional wreck dive located on the USA side of the St. Lawrence River. It is a favorite among advanced divers seeking an unforgettable underwater exploration. While exploring the wreckage, divers should exercise caution as there may be fishing lines present. However, this site offers a unique opportunity to encounter larger fish species, particularly during night dives.
Although wildlife sightings are not the main attraction at this site, divers may still come across the invasive zebra mussels and various fish species scattered throughout the area. The S.S. Keystorm, situated in the vicinity of Hammond, Saint Lawrence County, New York, can only be accessed by boat. For optimal visibility, it is recommended to plan the dive during the late fall when conditions are favorable. With a maximum depth of 30m and visibility of approximately 8m, this dive promises an exhilarating experience for seasoned divers.
Although wildlife sightings are not the main attraction at this site, divers may still come across the invasive zebra mussels and various fish species scattered throughout the area. The S.S. Keystorm, situated in the vicinity of Hammond, Saint Lawrence County, New York, can only be accessed by boat. For optimal visibility, it is recommended to plan the dive during the late fall when conditions are favorable. With a maximum depth of 30m and visibility of approximately 8m, this dive promises an exhilarating experience for seasoned divers.
Diving Conditions Score for SS Keystorm (Wreck)
6.1
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for SS Keystorm (Wreck)
Depth
30m
Visibility
8m
Experience Level
advanced
Weather Conditions for SS Keystorm (Wreck)
Wave Height
1m
Wind Speed
10 m/s
Water Temp
18°C
Visibility
15km
Cloud Cover
57.5%
Wave Period
8s
Air Temperature
20°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for SS Keystorm (Wreck)
Alpha
Dive Score Chart for SS Keystorm (Wreck)
Best time to dive: 6:00 with score 7.113333333333333/10. Water conditions: Waves 1m, Wind 10 m/s.Best night dive time: 0:00 with score 6.613333333333333/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at SS Keystorm (Wreck): 06:00
Sunset at SS Keystorm (Wreck): 18:00
Optimal diving conditions at SS Keystorm (Wreck) 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: 7.1/10
Waves: 1m (8s), Wind: 10 m/s
Best Night
0:00Score: 6.6/10
Waves: 1m, Wind: 10 m/s
Seasonal Analysis for SS Keystorm (Wreck)Alpha
Historical patterns and best seasons for diving at SS Keystorm (Wreck)
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 SS Keystorm (Wreck)
Winter
Avg. Score: 9.9/10
Winter offers the best overall diving conditions with calmer seas and better visibility, despite cooler temperatures.
Best Months for SS Keystorm (Wreck)
January
Score: 10.0
February
Score: 9.9
December
Score: 9.8
Ideal Conditions for SS Keystorm (Wreck)
Water Temp
24.4°C / 75.9°F
June
Visibility
20.1m / 65.9ft
October
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for SS Keystorm (Wreck)
SS Keystorm (Wreck) shows typical northern hemisphere patterns with June being the warmest month (24.4°C) and December the coldest (20.4°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). January 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 22, 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.
14 Dive sites near SS Keystorm (Wreck) in
Got feedback?
Help us improve this dive site by giving us feedback.