AMZ700-202030-
411 AM AST Mon Jul 20 2026
.Synopsis for Puerto Rico and the U.S. Virgin Islands Waters...
A surface high pressure over the central Atlantic interacting with
the Panama Colombia Low will maintain moderate to fresh easterly
winds and moderate to locally choppy seas today. Winds and seas will
gradually subside Tuesday into Wednesday before winds increase
somewhat again late Wednesday into Thursday. Saharan dust will
continue to promote hazy skies early today, with conditions
gradually improving through the day. Increasing moisture Tuesday
into Wednesday will favor more frequent showers across the region,
with afternoon thunderstorms possible, particularly over western
Puerto Rico.
$$
AMZ745-202030- Coastal Waters of Southwestern Puerto Rico out 10 NM- 411 AM AST Mon Jul 20 2026 TODAY East winds around 5 knots, becoming southeast around 5 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds. Isolated showers late this morning. Scattered showers this afternoon. TONIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds and east 1 foot at 4 seconds. Numerous showers in the evening. TUESDAY Northeast winds around 5 knots, becoming south around 5 knots in the afternoon. Seas around 2 feet. Wave Detail: Northeast 1 foot at 5 seconds. Scattered showers in the afternoon. TUESDAY NIGHT East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. WEDNESDAY Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. WEDNESDAY NIGHT East winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. THURSDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. THURSDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. FRIDAY East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the afternoon. FRIDAY NIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. $$
AMZ745-202030- Coastal Waters of Southwestern Puerto Rico out 10 NM- 411 AM AST Mon Jul 20 2026 TODAY East winds around 5 knots, becoming southeast around 5 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds. Isolated showers late this morning. Scattered showers this afternoon. TONIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds and east 1 foot at 4 seconds. Numerous showers in the evening. TUESDAY Northeast winds around 5 knots, becoming south around 5 knots in the afternoon. Seas around 2 feet. Wave Detail: Northeast 1 foot at 5 seconds. Scattered showers in the afternoon. TUESDAY NIGHT East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. WEDNESDAY Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. WEDNESDAY NIGHT East winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. THURSDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. THURSDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. FRIDAY East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the afternoon. FRIDAY NIGHT East winds 5 to 10 knots. Seas 2 to 3 feet. $$