FOMY50 PGUM 161316 PFMGUM Point Forecast Matrices National Weather Service Tiyan GU 1116 PM ChST Fri Oct 16 2026 GUZ001-161800- Guam International Airport-Tiyan GU 13.48N 144.79E Elev. 248 ft 1116 PM ChST Fri Oct 16 2026 Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon ChST3hrly 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Min/Max 76 85 76 84 75 Temp 78 76 77 81 85 84 82 80 78 77 77 81 84 83 81 79 77 76 Dewpt 78 77 77 78 77 77 78 78 78 77 77 78 78 79 79 79 77 76 RH 100103100 91 77 80 88 94100100100 91 82 88 94100100100 Wind dir N N N N N N N N N N NW S S S S S S S Wind spd 10 10 12 14 17 19 21 32 40 48 83 65 47 37 36 29 26 24 Wind gust 28 32 35 50 63 78134105 74 60 58 47 42 39 Clouds SC SC SC SC SC SC B1 B1 B2 B2 OV OV B2 B2 B2 B2 B1 B1 PoP 12hr 20 20 50 100 50 QPF 12hr 0.07 0.10 1.01 3.55 2.40 Rain shwrs S S S S S S S S C C L O C C C C S S Tstms C C C C C C C C Heat index 90 95 94 91 87 89 95 94 91 84 Max heat 87 90 95 94 84 89 95 93 Coast Flood A A A A A A A A A A A Flood A A A A A A A A A A A A A High Surf W W W W W W W W W W W Typhoon W W W W W W W W W W W W W W W W W W Date 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 Fri 10/23/26 ChST6hrly 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Max/Min 84 77 85 79 86 77 86 76 86 Temp 80 83 80 77 82 84 82 79 83 85 81 78 82 85 81 77 82 85 Dewpt 79 79 79 77 79 78 79 79 78 78 78 78 78 78 78 77 77 77 PWind dir SE SE E E SE S NW N NE Wind char WY BZ GN GN GN LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 30 20 20 20 20 20 20 Rain shwrs C C C C C S S S S S S S S S S S S S Tstms S S S $$ MPZ001-161800- Rota International Airport-Sinapalu MP 14.17N 145.23E Elev. 592 ft 1116 PM ChST Fri Oct 16 2026 Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon ChST3hrly 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Min/Max 75 85 76 84 75 Temp 76 75 76 81 85 84 82 80 78 76 76 81 84 83 81 79 77 76 Dewpt 77 75 76 78 78 78 78 78 78 76 76 79 79 79 80 79 77 76 RH 103100100 91 80 82 88 94100100100 94 85 88 97100100100 Wind dir NE NE NE N N N N N NE NE E SE SE SE SE SE SE SE Wind spd 12 13 16 18 21 24 25 35 40 47 54 50 41 36 34 31 27 26 Wind gust 26 29 34 37 41 57 64 74 86 81 65 59 56 49 44 41 Clouds SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 2020 50 70 50 QPF 12hr 0.04 0.29 0.66 2.88 2.23 Rain shwrs S S S S S S S S C C C C C C C C S S Tstms C C C C C C C C Heat index 88 96 95 91 86 89 96 95 92 84 Max heat 88 96 94 89 96 94 Coast Flood A A A A A A A A A A A Flood A A A A A A A A A A A A A High Surf W W W W W W W W W W W Typhoon W W W W W W W W W W W W W W W W W W Date 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 Fri 10/23/26 ChST6hrly 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Max/Min 83 77 83 79 85 77 85 77 85 Temp 80 82 80 77 81 83 81 79 83 84 81 78 82 84 81 78 82 84 Dewpt 79 79 79 77 79 79 79 79 78 78 79 78 78 78 78 78 77 77 PWind dir SE SE E E SE S N NE NE Wind char WY BZ GN GN GN LT LT LT LT Avg clouds B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 30 30 20 20 20 20 20 Rain shwrs C C C C C C C S S S S S S S S S S S Tstms S S S $$ MPZ002-161800- Tinian-San Jose MP 14.97N 145.63E Elev. 74 ft 1116 PM ChST Fri Oct 16 2026 Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon ChST3hrly 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Min/Max 76 85 76 84 75 Temp 78 76 77 81 85 84 82 80 78 77 77 81 84 83 81 79 77 76 Dewpt 78 77 77 77 78 78 78 78 78 77 77 79 79 80 80 79 77 76 RH 100103100 88 80 82 88 94100100100 94 85 91 97100100100 Wind dir NE NE NE NE NE NE NE NE NE E E E SE SE SE SE SE SE Wind spd 16 17 19 21 24 25 27 28 29 37 39 39 37 34 32 28 26 25 Wind gust 27 31 34 37 41 43 46 48 60 63 62 59 56 51 46 42 39 Clouds SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 20 20 50 50 50 QPF 12hr 0.05 0.11 0.53 0.72 1.23 Rain shwrs S S S S S S S C C C C C C C C C S S Tstms S S S S C C C C C C Heat index 89 96 95 92 88 90 96 95 92 84 Max heat 88 89 96 94 84 90 96 94 Coast Flood A A A A A A A A A A A Flood A A A A A A A A A A A A A High Surf W W W W W W W W W W W Trop Storm W W W W W W W W W W W W W W W W W W Typhoon A A A A A A A A A A A A A A A A A A Date 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 Fri 10/23/26 ChST6hrly 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Max/Min 84 77 84 79 87 77 87 76 87 Temp 80 83 80 77 8184 81 79 84 86 82 78 83 86 81 77 82 86 Dewpt 79 79 79 77 79 79 79 79 78 78 79 78 78 78 78 77 77 77 PWind dir SE SE E E SE SE E E NE Wind char BZ GN GN GN GN LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 30 30 20 20 20 20 20 Rain shwrs C C C C C C C S S S S S S S S S S S Tstms S S S $$ MPZ003-161800- Saipan International Airport-Obyan MP 15.11N 145.72E Elev. 215 ft 1116 PM ChST Fri Oct 16 2026 Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon ChST3hrly 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Min/Max 76 85 76 84 75 Temp 78 76 77 81 85 84 82 80 78 77 77 81 84 83 81 79 77 76 Dewpt 78 77 77 77 78 78 78 78 78 77 77 79 80 80 80 79 77 76 RH 100103100 88 80 82 88 94100100100 94 88 91 97100100100 Wind dir NE NE NE NE NE NE NE NE NE E E E SE SE SE SE SE SE Wind spd 16 17 19 21 24 26 27 28 29 37 37 37 35 34 31 28 26 24 Wind gust 26 28 32 35 39 41 43 46 47 60 62 60 57 54 49 44 41 39 Clouds SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 20 20 50 50 50 QPF 12hr 0.06 0.16 0.53 0.66 1.07 Rain shwrs S S S S S S S C C C C C C C C C S S Tstms S S S S C C C C C C Heat index 89 96 95 92 88 90 96 95 92 84 Max heat 88 89 96 94 84 90 96 94 Coast Flood A A A A A A A A A A A Flood A A A A A A A A A A A A A High Surf W W W W W W W W W W W Trop Storm W W W W W W W W W W W W W W W W W W Typhoon A A A A A A A A A A A A A A A A A A Date 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu 10/22/26 Fri 10/23/26 ChST6hrly 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 Max/Min 84 77 85 79 87 77 87 76 87 Temp 80 83 80 77 81 84 82 79 83 86 82 78 83 86 81 77 82 86 Dewpt 79 79 79 77 79 79 79 79 79 79 79 78 78 78 78 77 77 77 PWind dir SE E E E SE SE E E E Wind char BZ GN GN GN GN LT LT LT LT Avg clouds B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 30 30 20 20 20 20 20 Rain shwrs C C C C C C C S S S S S S S S S S S Tstms S S S $$