Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
083 FOMY50 PGUM 301840 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 433 AM CHST MON DEC 1 2025 GUZ001-010600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 433 AM CHST MON DEC 1 2025 DATE MON 12/01/25 TUE 12/02/25 WED 12/03/25 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 79 86 79 87 TEMP 79 83 86 86 84 82 80 79 79 83 86 85 84 82 80 79 79 84 87 86 DEWPT 78 78 78 78 78 79 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 97 85 77 77 82 91 94 97 97 85 77 80 82 88 94 97 97 82 75 77 WIND DIR E E SE SE SE SE E E E E E E E E E E E E E E WIND SPD 10 13 11 12 9 11 10 9 10 16 14 13 10 9 10 8 10 14 14 14 CLOUDS OV OV OV OV B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 60 60 40 20 10 QPF 12HR 0.93 0.49 0.11 0.02 0.02 RAIN SHWRS L L L L C C C C S S S S S S S S S S S S TSTMS HEAT INDEX 84 93 99 98 95 92 88 84 93 97 96 94 91 87 85 94 99 98 MAX HEAT 93 99 97 91 93 97 96 90 94 99 HIGH SURF Y Y Y DATE THU 12/04/25 FRI 12/05/25 SAT 12/06/25 SUN 12/07/25 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 79 85 79 87 79 88 77 88 TEMP 82 79 83 85 82 79 83 86 83 80 84 87 82 77 83 87 DEWPT 78 78 78 78 78 78 78 77 77 77 77 77 77 77 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC POP 12HR 30 30 30 30 30 20 20 20 RAIN SHWRS C C C C C C C C C S S S S S S S TSTMS S S S S S $$ MPZ001-010600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 433 AM CHST MON DEC 1 2025 DATE MON 12/01/25 TUE 12/02/25 WED 12/03/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 79 85 79 85 TEMP 79 83 86 85 84 82 80 79 79 82 85 84 83 82 80 79 79 83 85 85 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 77 77 77 77 77 RH 97 85 77 80 82 88 94 97 97 88 80 82 85 88 94 94 94 82 77 77 WIND DIR E E E E E E E E E E E E E E E E E E E E WIND SPD 13 17 18 17 17 16 16 14 16 18 17 17 16 13 14 12 16 17 17 16 CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 60 60 20 5 10 QPF 12HR 0.78 0.28 0.03 0.01 0.01 RAIN SHWRS L L L L S S S S S S S S S S S S S S S S TSTMS HEAT INDEX 84 93 97 97 95 91 88 84 91 96 95 93 90 86 84 92 96 95 MAX HEAT 93 98 97 90 91 96 95 89 92 96 HIGH SURF Y Y Y DATE THU 12/04/25 FRI 12/05/25 SAT 12/06/25 SUN 12/07/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 79 85 79 85 79 87 77 87 TEMP 82 79 82 84 82 79 83 85 82 80 84 86 82 78 83 86 DEWPT 78 77 78 78 78 78 78 77 77 77 77 77 77 77 77 77 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 30 30 30 20 20 20 20 RAIN SHWRS S S C C C C C S S S S S S S S S $$ MPZ002-010600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 433 AM CHST MON DEC 1 2025 DATE MON 12/01/25 TUE 12/02/25 WED 12/03/25 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 88 77 87 77 88 TEMP 78 84 88 87 85 82 79 78 78 83 87 86 84 82 79 78 78 83 88 87 DEWPT 78 78 78 78 78 78 78 78 77 78 78 78 78 78 78 77 77 77 77 77 RH 100 82 72 75 80 88 97100 97 85 75 77 82 88 97 97 97 82 70 72 WIND DIR E E E E E E E E E E SE E E E E E SE SE SE E WIND SPD 14 17 16 16 17 16 16 13 16 17 16 14 13 13 14 12 14 16 16 17 CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 50 50 20 20 20 QPF 12HR 0.51 0.22 0.03 0.02 0.01 RAIN SHWRS C C C C S S S S S S S S S S S S S S S S HEAT INDEX 94101100 96 91 84 92 99 98 95 90 84 93 99 98 MAX HEAT 94 101 99 89 92 99 97 88 93 99 HIGH SURF Y Y Y DATE THU 12/04/25 FRI 12/05/25 SAT 12/06/25 SUN 12/07/25 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 77 86 79 87 79 89 76 89 TEMP 82 78 82 85 82 79 84 86 83 80 85 88 82 77 84 88 DEWPT 77 77 77 77 78 77 77 77 77 77 77 77 77 77 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC POP 12HR 20 30 30 30 20 20 20 20 RAIN SHWRS S S C C C C C S S S S S S S S S $$ MPZ003-010600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 433 AM CHST MON DEC 1 2025 DATE MON 12/01/25 TUE 12/02/25 WED 12/03/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 77 87 77 88 TEMP 78 84 88 87 85 82 79 78 78 83 87 86 84 82 79 78 78 83 88 87 DEWPT 78 78 78 78 78 78 78 78 77 78 78 78 78 78 77 77 77 77 77 77 RH 100 82 72 75 80 88 97100 97 85 75 77 82 88 94 97 97 82 70 72 WIND DIR E E E E E E E E E E SE E E E E E SE SE SE E WIND SPD 13 16 14 14 17 14 14 13 14 17 16 13 13 13 13 11 13 16 16 17 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 30 20 20 20 QPF 12HR 0.31 0.19 0.04 0.02 0.02 RAIN SHWRS C C C C S S S S S S S S S S S S S S S S HEAT INDEX 94101100 96 91 84 92 99 98 95 90 93 99 98 MAX HEAT 94 101 99 89 92 99 97 88 93 99 HIGH SURF Y Y Y DATE THU 12/04/25 FRI 12/05/25 SAT 12/06/25 SUN 12/07/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 86 79 87 79 89 76 89 TEMP 82 78 82 85 82 79 84 86 83 80 85 88 82 77 84 88 DEWPT 77 77 77 77 78 77 77 77 77 77 77 77 77 77 76 77 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC POP 12HR 20 30 30 30 20 20 20 20 RAIN SHWRS S S C C C C C S S S S S S S S S $$