059
FXUS63 KGRR 170704
AFDGRR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
304 AM EDT SAT MAY 17 2025
KEY MESSAGES
- MUCH COOLER WITH SCATTERED SHOWERS TODAY AND SCATTERED FROST
POSSIBLE SUNDAY NIGHT
DISCUSSION
ISSUED AT 304 AM EDT SAT MAY 17 2025
TEMPERATURES WILL BE HELD INTO THE 50S TODAY AND SUNDAY WITH
CLOUDS AND SCATTERED SHOWERS AS A LARGE UPPER LOW MOVES THROUGH.
CANADIAN HIGH PRESSURE BUILDS IN SUNDAY NIGHT AND SKIES SHOULD
CLEAR WITH SCATTERED FROST POSSIBLE SUNDAY AND MONDAY NIGHTS
ACROSS THE NORTHERN ZONES.
LOW PRESSURE AND MOISTURE RETURNS FOR MID-WEEK BUT THE BULK OF THE
RAIN COULD STAY SOUTH OF LOWER MICHIGAN. FAIR AND RELATIVELY COOL
CONDITIONS RETURN LATE WEEK. NO SEVERE WEATHER IS EXPECTED DURING
THE WEEK.
AVIATION /06Z TAFS THROUGH 06Z SUNDAY/
ISSUED AT 137 AM EDT SAT MAY 17 2025
MVFR CONDITIONS WILL PREVAIL INTO SATURDAY EVENING AS A STRATUS
DECK WITH CEILINGS AROUND 2500 TO 3000 FEET PERSISTS. WEST WINDS
WILL GUST OVER 25 KNOTS INTO THIS EVENING.
MARINE
ISSUED AT 304 AM EDT SAT MAY 17 2025
NO CHANGES TO THE SMALL CRAFT ADVISORY. WINDS AND WAVES WILL
DIMINISH BY SUNDAY. NORTH WINDS TO 20 KNOTS CAN BE EXPECTED INTO
EARLY NEXT WEEK.
GRR WATCHES/WARNINGS/ADVISORIES
MI...NONE.
MARINE...SMALL CRAFT ADVISORY UNTIL 2 AM EDT SUNDAY FOR LMZ844>849.
DISCUSSION...OSTUNO
AVIATION...OSTUNO
MARINE...OSTUNO
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