Marine Weather - Refresh the page for the latest information!
The Most Accurate Marine Weather Around!
This forecast covers the nearshore waters of Lake Ontario running
from Rochester NY to the St. Lawrence NY.
Marine Weather Symbols
* Red light indicates stay off the waterways!
* Yellow light indicates caution is advised.
* Green light indicates nice boating conditions expected.
NOTE: This only covers winds and waves. This does not cover the actual weather forecast itself.
Notice to Mariners
***Our boating season has come to an end. At this point I will be ending my Marine Forecast until April 1, 2009. I will however, keep all advisories and warnings current on the front page under Current Alerts.
Marine Forecast
Current Alerts:
Forecasted Hazards:
Inrondequoit Bay to Fair Haven Waves:
Winds:
Fair Haven to St. Lawrence Waves:
Winds:
Marine Forecast
Current Alerts:
Forecasted Hazards:
Inrondequoit Bay to Fair Haven Waves:
Winds:
Fair Haven to St. Lawrence Waves:
Winds:
Winds:
Fair Haven to St. Lawrence Waves:
Winds:
Marine Forecast
Current Alerts:
Forecasted Hazards:
Inrondequoit Bay to Fair Haven Waves:
Winds:
Fair Haven to St. Lawrence Waves:
Winds:
Fair Haven to St. Lawrence Waves:
Winds:
| BEAUFORT LEVEL | WIND SPEED | SEA STATE AND WAVE HEIGHT LEVELS |
|---|---|---|
| FORCE 0 | LESS THAN 1 KNOT | SEA LIKE A MIRROR |
| FORCE 1 | 1 - 3 KNOTS | WAVE HEIGHT .1 M(.25 FT.); RIPPLES WITH APPEARANCE OF SCALES, NO FOAM CRESTS. |
| FORCE 2 | 4 - 6 KNOTS | WAVE HEIGHT .2 - .3 (.5 - 1 FT.); SMALL WAVELETS, CRESTS OF GLASSY APPEARANCE, NOT BREAKING. |
| FORCE 3 | 7 - 10 KNOTS | WAVE HEIGHT .6 - 1 M (2 - 3 FT.); LARGE WAVELETS, CRESTS BEGIN TO BREAK, SCATTERED WHITECAPS. |
| FORCE 4 | 11 - 16 KNOTS | WAVE HEIGHT 1 - 1.5 M (3.5 - 5 FT.); SMALL WAVES BECOMING LONGER, NUMEROUS WHITECAPS. |
| FORCE 5 | 17 - 21 KNOTS | WAVE HEIGHT 2 - 2.5 M (6 - 8 FT.); MODERATE WAVES, TAKING LONGER FORM, MANY WHITECAPS, SOME SPRAY. |
| FORCE 6 | 22 - 27 KNOTS | WAVE HEIGHT 3 - 4 M (9.5 - 13 FT.); LARGER WAVES FORMING, WHITECAPS EVERYWHERE, MORE SPRAY. |
| FORCE 7 | 28 - 33 KNOTS | WAVE HEIGHT 4 - 5.5 M (13.5 - 19 FT.); SEA HEAPS UP, WHITE FORM FROM BREAKING WAVES BEGINS TO BE BLOWN IN STREAKS ALONG DIRECTION OF WIND. |
| FORCE 8 | 34 - 40 KNOTS | WAVE HEIGHT 5.5 - 7.5 M (18 - 25 FT.); MODERATELY HIGH WAVES OF GREATER LENGTH, EDGES OF CRESTS BEGIN TO BREAK INTO SPINDRIFT, FOAM IS BLOWN IN WELL MARKED STREAKS. |
| FORCE 9 | 41 - 47 KNOTS | WAVE HEIGHT 7 - 10 M (23 - 32 FT.); HIGH WAVES, SEA BEGINS TO ROLL, DENSE STREAKS OF FOAM ALONG WIND DIRECTION, SPRAY MAY REDUCE VISIBILITY. |
| FORCE 10 | 48 - 55 KNOTS | WAVE HEIGHT 9 - 12.5 M (29 - 41 FT.); VERY HIGH WAVES WITH OVERHANGING CRESTS, SEA TAKES WHITE APPEARANCE AS FOAM IS BLOWN IN VERY DENSE STREAKS, ROLLING IS HEAVY AND SHOCKLIKE, VISIBILITY IS REDUCED. |
| FORCE 11 | 56 - 63 KNOTS | WAVE HEIGHT 11.5 - 16 M (37 - 52 FT.); EXCEPTIONALLY HIGH WAVES, SEA COVERED WITH WHITE FOAM PATCHES, VISIBILITY IS STILL MORE REDUCED. |