Seattle-Tacoma International to Luis Munoz Marin International SEA → SJU

Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of

• SIGMET 2C: thunderstorms (a convective SIGMET) up to 31,000 ft, moving from the southwest at 40 knots, until 9:55 pm PDT (04:55 UTC). Near the route, 729 nm along the route.
  as issued

  WSUS32 KKCI 120255
  MKCC WST 120255
  CONVECTIVE SIGMET 2C
  VALID UNTIL 0455Z
  NE CO WY
  FROM 40SE CZI-30WNW BFF-30SSE LAR-70NW LAR-40SE CZI
  AREA TS MOV FROM 22040KT. TOPS TO FL310.

• SIGMET E12E: thunderstorms (a convective SIGMET) up to 45,000 ft, moving from the west at 20 knots, until 9:55 pm PDT (04:55 UTC). Over the route from 2278 to 2358 nm out.
  as issued

  WSUS31 KKCI 120255
  MKCE WST 120255
  CONVECTIVE SIGMET 12E
  VALID UNTIL 0455Z
  FL GA CSTL WTRS
  FROM 160SSE ILM-240SSE ILM-100ENE PBI-50NE TRV-160SSE ILM
  AREA TS MOV FROM 26020KT. TOPS ABV FL450.
  REF INTL SIGMET LIMA SERIES.

• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 150 nm of the route.
• AIRMET ZULU 2C: moderate icing up to 20,000 ft. Over the route from 60 to 470 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 220 to 699 nm out.
• AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 250 to 450 nm out.
• AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 370 to 689 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 480 to 670 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 490 to 779 nm out.
• AIRMET TANGO 1W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 550 to 739 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 580 to 899 nm out.
• AIRMET TANGO 3W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 969 to 1309 nm out.
• AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 1759 to 1809 nm out.

A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from SEA.

Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first

Not fetched just now.

At SJU when you get there the forecast at the estimated arrival, 11:23 pm AST (03:23 UTC)

SJU has no terminal forecast; use the nearest airport that does.

Temporary flight restrictions on the line or within 25 nm of it

• 6/6783 Perry, GA, Friday, October 9, 2026 through Monday, October 19, 2026 UTC 25 nm from the route, 1969 nm along the route · drones kept away from a public gathering · until 19 October · ZTL
• 6/4508 CEIBA, PR 24 nm from the route, at the destination end · security · ZSU

Daylight

Sunset at SEA 6:27 pm PDT (01:27 UTC), at SJU 6:03 pm AST (22:03 UTC) (civil twilight ends 6:25 pm AST (22:25 UTC)). At 120 knots the arrival at SJU is before sunrise there (6:17 am AST (10:17 UTC)).

Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.