418 FOMY50 PGUM 300550 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 345 PM CHST TUE DEC 30 2025 GUZ001-301800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 345 PM CHST TUE DEC 30 2025 DATE TUE 12/30/25 WED 12/31/25 THU 01/01/26 FRI 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 77 86 76 86 77 TEMP 84 82 80 78 77 78 82 86 85 83 81 78 77 77 82 86 85 83 81 79 77 DEWPT 75 75 75 75 75 75 76 75 75 76 76 76 76 75 74 74 74 75 75 75 75 RH 74 79 85 91 94 91 82 70 72 80 85 94 97 94 77 68 70 77 82 88 94 WIND DIR E E E E NE E E E E E E E E E E E E E E E E WIND SPD 13 11 10 8 8 9 13 13 13 12 10 8 8 9 14 13 13 11 10 9 9 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 20 30 30 20 QPF 12HR 0.14 0.16 0.22 0.07 0.01 RAIN SHWRS S S S S S S S S S C C C C S S S S S S S S HEAT INDEX 92 88 84 90 95 94 91 87 88 94 93 91 87 MAX HEAT 93 91 83 90 95 93 85 88 94 93 85 HIGH SURF Y Y Y Y Y Y Y Y DATE 01/02/26 SAT 01/03/26 SUN 01/04/26 MON 01/05/26 TUE 01/06/26 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 86 76 87 76 88 76 88 76 88 TEMP 82 85 81 77 83 86 81 77 83 87 82 77 83 87 82 77 83 87 DEWPT 74 74 75 75 75 75 75 75 74 75 76 75 75 75 76 75 75 75 PWIND DIR E E E NE NE NE E E E WIND CHAR GN GN LT GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ001-301800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 345 PM CHST TUE DEC 30 2025 DATE TUE 12/30/25 WED 12/31/25 THU 01/01/26 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 75 85 75 85 75 TEMP 83 80 78 76 75 76 81 85 84 82 79 77 75 76 81 85 84 82 80 77 75 DEWPT 75 75 76 76 76 76 76 76 76 76 76 76 75 75 75 74 75 75 75 75 75 RH 77 85 94100103100 85 75 77 82 91 97100 97 82 70 74 79 85 94100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 14 13 12 12 11 12 16 14 14 14 11 10 9 11 14 14 13 13 11 10 9 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 30 30 30 30 20 QPF 12HR 0.19 0.23 0.25 0.07 0.01 RAIN SHWRS S C C C C C C C C C C C C S S S S S S S S HEAT INDEX 90 85 87 94 93 89 84 86 93 92 89 84 MAX HEAT 92 89 87 94 92 86 93 91 HIGH SURF Y Y Y Y Y Y Y Y DATE 01/02/26 SAT 01/03/26 SUN 01/04/26 MON 01/05/26 TUE 01/06/26 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 85 76 85 76 87 76 87 76 86 TEMP 81 84 80 76 81 84 80 76 82 86 81 76 82 86 81 76 82 85 DEWPT 75 75 75 75 75 75 75 74 74 75 75 75 75 75 76 76 75 75 PWIND DIR E E E NE NE NE E E E WIND CHAR GN GN LT LT GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 5 10 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ002-301800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 345 PM CHST TUE DEC 30 2025 DATE TUE 12/30/25 WED 12/31/25 THU 01/01/26 FRI 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 78 86 77 86 78 TEMP 84 82 80 79 78 79 83 86 86 84 82 79 78 78 83 86 86 84 82 80 78 DEWPT 75 76 75 75 75 75 75 75 75 75 75 75 75 75 75 74 75 74 75 75 75 RH 74 82 85 88 91 88 77 70 70 74 79 88 91 91 77 68 70 72 79 85 91 WIND DIR E E E NE NE E E E E E E E E E E E E E E E E WIND SPD 16 17 14 13 12 13 17 16 14 14 11 11 9 11 14 14 12 11 11 8 8 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 40 40 30 30 10 QPF 12HR 0.40 0.41 0.38 0.08 0.02 RAIN SHWRS C C C C C C C C C C C C C S S S S S S S S HEAT INDEX 93 89 86 90 95 94 92 88 83 90 94 94 91 88 84 MAX HEAT 94 92 85 90 95 93 86 90 94 93 87 HIGH SURF Y Y Y Y Y Y Y Y DATE 01/02/26 SAT 01/03/26 SUN 01/04/26 MON 01/05/26 TUE 01/06/26 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 86 77 88 77 89 77 89 77 88 TEMP 83 86 82 78 83 87 82 78 84 88 83 78 84 88 83 78 84 87 DEWPT 74 75 75 75 74 74 74 74 75 74 75 75 75 75 76 76 75 75 PWIND DIR E E E NE NE NE E E E WIND CHAR GN LT LT LT GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 POP 12HR 10 10 10 10 10 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ003-301800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 345 PM CHST TUE DEC 30 2025 DATE TUE 12/30/25 WED 12/31/25 THU 01/01/26 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 88 76 88 77 TEMP 85 82 80 78 77 78 83 87 87 84 81 78 77 77 83 87 87 85 82 79 77 DEWPT 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 74 75 75 75 RH 72 79 85 91 94 91 77 68 68 74 82 91 94 94 77 68 68 70 79 88 94 WIND DIR E E E NE E E E E E E E E E E E E E E E E E WIND SPD 16 17 14 13 12 13 17 17 16 14 11 10 9 11 14 14 12 11 10 8 9 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 40 40 40 40 10 QPF 12HR 0.42 0.43 0.40 0.08 0.02 RAIN SHWRS C C C C C C C C C C C C C S S S S S S S S HEAT INDEX 94 90 85 91 97 96 93 88 90 96 95 92 88 MAX HEAT 96 92 83 91 97 95 86 90 96 95 86 HIGH SURF Y Y Y Y Y Y Y Y DATE 01/02/26 SAT 01/03/26 SUN 01/04/26 MON 01/05/26 TUE 01/06/26 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 77 88 77 89 77 89 77 88 TEMP 83 87 82 77 83 87 82 77 84 88 82 77 84 88 82 77 84 87 DEWPT 75 75 75 75 74 74 74 74 75 74 75 75 75 75 76 76 75 75 PWIND DIR E SE E NE NE NE E E E WIND CHAR GN LT LT LT GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 POP 12HR 10 10 10 10 10 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$