blizzard
boat
chill
cloud
cold
cool
danger
dangerous
dark
extreme
float
flood
gale
gray
heavy
help
life
lifeguard
live
marine
nature
nautical
naval
ocean
raft
rescue
risk
rubber
safety
save
scow
sea
ship
shipwreck
sky
snow
snowfall
snowstorm
sos
storm
throw
transportation
travel
vessel
water
wave
weather
white
wind
winter