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Storm Warning Signals

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Beaufort Scale

Temperature Conversions

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Storm Warning Signals

Wind-Waves

Beaufort Scale

Temperature Conversions

Storm Warning Signals

	Small Craft Advisory Forecast winds of 18 to 33 knots
	Gale Warning: Forecast winds of 34 to 47 knots.
	Storm Warning: Forecast winds of 48 knots or greater.
	Tropical Storm Warning: Forecast winds of 34 to 63 knots associated with a tropical storm.
	Hurricane Warning: Winds of 64 knots plus associated with a hurricane.
Wind Speed/Surface Height/Wind Knots/Wave Conditions 0-3 Kts - Smooth, Surface Calm 4-6 Kts - Ripples, Under 1 ft. 7-10 Kts - Smooth Wavelets, 1 - 2 ft. 11-16 Kts - Little Waves, 2 4 ft. 17-21 Kts - Moderate Waves, whitecaps, 4 - 8 ft. 22-27 Kts - Big Waves, spray, 8 13 ft. 28-33 Kts - Heaped Seas, Foam from breaking waves, 13 - 20 ft. 34-40 Kts - High Waves, Foam blown in well-marked streaks, 13 -20 ft. 41-47 Kts - Seas Roll, Spray may reduce visibility, 13 - 20 ft. 48-55 Kts - Very High Waves, White Seas, Overhanging Crests, 20 - 30 ft. 56-63 Kts - Exceptionally High Waves, 30 - 45 ft. 63 + Kts - Air filled with foam, Seas completely white, over 45 ft.

Beaufort Wind Scale

0	under 1 knot
1 - Light Air	1 - 3 knots	Or just sufficient to give steerage way.
2 - Light Breeze	4 - 6 knots	Or that in which a man-of-war with
3 - Gentle Breeze	7 - 10 knots	all sail set, and clean full would go
4 - Moderate Breeze	11 - 16 knots	in smooth water from.
5 - Fresh Breeze	17 - 21 knots	Or that to which
6 - Strong Breeze	22 - 27 knots	a well-conditioned
7 - Moderate Gale	28 - 33 knots	man-of-war could just
8 - Fresh Gale	34 - 40 knots	carry in chase,
9 - Strong Gale	41 - 47 knots	full an by
10 - Whole Gale	48 - 55 knots	or that with which she could scarcely bear close-reefed main-topsail and reefed fore-sail
11 - Storm	56 - 63 knots	Or that which would reduce her to storm staysails.
12 - Hurricane	64 and over	Or that which no canvas could withstand.

Temperature Conversions

To convert Fahrenheit temperatures into Celsius
Begin by subtracting 32 from the Fahrenheit number.
Divide the answer by 9.
Then multiply that answer by 5.

Here's an example: Change 81 degrees Fahrenheit to Celsius: 81 minus 32 is 49. Then, 48 divided by 9 is 5.3. Finally, 5.3 times 5 is 26.5 degrees Celsius.

To convert Celsius temperatures into Fahrenheit:
Begin by multiplying the Celsius temperature by 9.
Divide the answer by 5.
Now add 32.

Here's an example: Change 32 degrees Celsius to Fahrenheit: 32 times 9 is 288. Then 288 divided by 5 is 57.6. Finally, 57.6 plus 32 is 89.6 degrees Fahrenheit.