FOMY50 PGUM 151806 PFMGUM Point Forecast Matrices National Weather Service Tiyan GU 406 AM ChST Fri Oct 16 2026 GUZ001-160600- Guam International Airport-Tiyan GU 13.48N 144.79E Elev. 248 ft 406 AM ChST Fri Oct 16 2026 Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 ChST3hrly 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 Max/Min 87 76 84 76 83 Temp 80 84 87 86 84 81 78 77 77 81 84 83 82 80 78 76 77 80 83 82 Dewpt 77 77 77 77 77 77 78 78 78 78 77 77 78 78 78 78 78 78 78 79 RH 91 80 72 75 80 88100103103 91 80 82 88 94100107103 94 85 91 Wind dir NE NE NE NE NE N NE NE NE NE N N N N N NW NW SW S S Wind spd 3 8 8 8 4 4 9 10 10 12 12 13 13 13 23 42 54 57 46 39 Wind gust 54 67 72 58 49 Clouds SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV OV OV PoP 12hr 20 30 50 100 100 QPF 12hr 0 0.28 0.37 0.97 1.16 Rain O O O O O O O O Rain shwrs S S S S C C C C C C C C L L L C L L C C Tstms S S S S S Heat index 85 93 98 97 94 89 89 95 94 93 90 88 85 85 90 92 92 Max heat 84 93 98 96 87 89 95 94 90 90 92 Flood A A A A A A A A A A A A A A A A A A A Typhoon A A A A A A A A A A A A A A A A A A A A Date Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 ChST6hrly 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Min/Max 74 84 77 85 79 86 80 88 Temp 78 75 80 83 80 77 82 84 82 79 83 85 83 80 84 87 Dewpt 79 79 79 79 79 79 79 78 79 79 78 78 78 78 78 78 PWind dir SW S S S S SE E NE Wind char VW VW BZ GN GN GN LT LT Avg clouds OV OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 100 90 60 30 30 30 30 30 Rain O Rain shwrs C C L L L C C C C C C C C C C C Tstms S S S S S S S $$ MPZ001-160600- Rota International Airport-Sinapalu MP 14.17N 145.23E Elev. 592 ft 406 AM ChST Fri Oct 16 2026 Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 ChST3hrly 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 Max/Min 86 75 84 76 82 Temp 78 83 86 85 83 80 77 75 76 80 84 83 82 79 77 76 76 79 82 81 Dewpt 77 77 76 77 77 78 78 78 78 78 78 78 78 78 78 78 78 79 79 79 RH 97 82 72 77 82 94103110107 94 82 85 88 97103107107100 91 94 Wind dir NE NE NE NE NE NE NE NE NE NE N N N N N N E SE SE S Wind spd 10 12 13 13 11 10 11 12 12 13 14 16 17 17 41 48 60 56 46 40 Wind gust 51 62 77 72 57 51 Clouds B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV PoP 12hr 20 30 50 100 100 QPF 12hr 0.13 0.380.56 0.70 1.48 Rain O O O O O O O O Rain shwrs S S S S C C C C C C C C C C C C L L C C Tstms S S S S S S Heat index 91 96 95 92 85 88 95 94 93 90 86 89 91 90 Max heat 91 96 94 88 95 94 89 89 91 Flood A A A A A A A A A A A A A A A A A A A Typhoon A A A A A A A A A A A A A A A A A A A A Date Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 ChST6hrly 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Min/Max 73 83 77 83 79 84 80 86 Temp 77 73 79 82 80 77 80 82 81 79 82 84 82 81 84 85 Dewpt 80 79 79 79 79 79 79 79 79 79 78 78 79 78 78 78 PWind dir S S S S S SE E NE Wind char SD SD WY WY BZ GN LT GN Avg clouds OV OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 100 100 80 40 30 30 30 30 Rain O Rain shwrs C L O O O C C C C C C C C C C C Tstms S S S S S $$ MPZ002-160600- Tinian-San Jose MP 14.97N 145.63E Elev. 74 ft 406 AM ChST Fri Oct 16 2026 Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 ChST3hrly 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 Max/Min 87 77 85 76 83 Temp 80 84 87 86 84 82 79 78 78 82 85 84 82 80 78 77 77 80 83 82 Dewpt 77 76 76 77 78 78 78 78 78 77 78 78 78 78 79 79 79 79 79 80 RH 91 77 70 75 82 88 97100100 85 80 82 88 94103107107 97 88 94 Wind dir NE E NE NE NE NE NE NE NE NE NE N N N NE NE E E SE E Wind spd 10 12 12 12 12 13 16 16 16 17 17 19 20 24 35 42 44 42 39 42 Wind gust 54 56 54 49 54 Clouds SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV PoP 12hr 20 30 50 100 100 QPF 12hr 0 0.17 0.40 0.64 1.22 Rain O O O O O O O O Rain shwrs S S S S C C C C C C C C C C C C C C C C Tstms S S S S S S Heat index 85 93 98 97 95 90 91 97 96 94 91 88 85 85 90 93 93 Max heat 84 93 98 97 89 91 97 96 90 90 93 Flood A A A A A A A A A A A A A A A A A A A Typhoon A A A A A A A A A A A A A A A A A A A A Date Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 ChST6hrly 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Min/Max 74 84 77 84 79 87 80 88 Temp 78 75 80 83 80 77 81 84 81 79 84 86 83 80 85 87 Dewpt 80 79 79 79 79 79 79 79 79 79 78 78 79 79 78 78 PWind dir SE S S S S SE E E Wind char SD SD WY BZ BZ GN GN GN Avg clouds OV OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 100 90 80 40 30 30 30 30 Rain O Rain shwrs C C O O O C C C C C C C C C C C Tstms S S S S S $$ MPZ003-160600- Saipan International Airport-Obyan MP 15.11N 145.72E Elev. 215 ft 406 AM ChST Fri Oct 16 2026 Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 ChST3hrly 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 Max/Min 87 77 85 76 83 Temp 80 84 87 86 84 82 79 78 78 82 85 84 82 80 78 77 77 80 83 82 Dewpt 76 76 76 77 78 78 78 78 77 77 78 78 78 78 79 79 79 79 80 80 RH 88 77 70 75 82 88 97100 97 85 80 82 88 94103107107 97 91 94 Wind dir NE E NE NE NE NE NE NE NE NE NE N N NE NE NE E E E E Wind spd 10 13 13 12 11 12 16 17 17 18 19 20 21 25 31 40 42 40 36 40 Wind gust 51 54 51 47 51 Clouds SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV PoP 12hr 20 30 50 100 100 QPF 12hr 0.04 0.18 0.40 0.63 1.10 Rain O O O O O O O O Rain shwrs S S S S C C C C C C C C C C C C C C C C Tstms S S S S S S Heat index 85 93 98 97 95 90 91 97 96 94 91 88 85 85 90 93 93 Max heat 84 93 98 97 89 91 97 96 90 90 93 Flood A A A A A A A A A A A A A A A A A A A Typhoon A A A A A A A A A A A A A A A A A A A A Date Mon 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 ChST6hrly 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Min/Max 74 84 77 85 79 87 80 88 Temp 78 75 80 83 80 77 81 84 82 79 83 86 83 81 85 87 Dewpt 80 79 79 79 79 79 79 79 79 79 79 79 79 79 78 78 PWind dir SE S S S S SE E E Wind char SD SD WY BZ GN GN LT GN Avg clouds OV OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 100 90 80 40 30 30 30 30 Rain O Rain shwrs C C O O O C C C C C C C C C C C Tstms S S S S S $$