Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
Versions:
1
2
516 FOMY50 PGUM 290540 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 337 PM CHST SAT NOV 29 2025 GUZ001-291800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 337 PM CHST SAT NOV 29 2025 DATE SAT 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 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 86 79 86 79 TEMP 87 84 81 79 77 77 82 86 85 84 82 80 79 79 83 86 86 84 82 80 79 DEWPT 78 79 79 79 77 77 78 78 78 78 78 78 78 78 78 78 78 78 79 78 78 RH 75 85 94100100100 88 77 80 82 88 94 97 97 85 77 77 82 91 94 97 WIND DIR E E E E E E E E E E E E E SE SE SE E E E E E WIND SPD 12 9 8 9 9 10 16 14 12 11 10 9 8 9 12 11 10 10 9 9 8 CLOUDS B1 B1 B1 OV OV OV OV B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 POP 12HR 70 70 60 60 60 QPF 12HR 0.37 1.28 0.84 0.82 0.77 RAIN SHWRS C C C L L L L C C L L L L L L L L C C C C TSTMS S S S S S S S S S S S S S S S S S S S S HEAT INDEX 99 96 91 91 98 97 95 91 88 84 93 99 98 95 92 88 MAX HEAT 100 99 89 91 98 97 90 93 99 97 91 DATE 12/02/25 WED 12/03/25 THU 12/04/25 FRI 12/05/25 SAT 12/06/25 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 79 87 79 85 79 87 79 88 TEMP 83 85 82 79 84 86 82 79 83 85 82 79 83 86 83 80 84 87 DEWPT 78 78 78 78 78 78 78 78 78 78 78 78 78 77 77 77 77 77 PWIND DIR E E E E SE SE SE E E WIND CHAR GN GN GN GN GN GN GN GN GN AVG CLOUDS B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 50 40 30 30 40 40 30 20 20 RAIN SHWRS C C C C C S C C C C C C C S S S S S TSTMS S S S S S S S S $$ MPZ001-291800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 337 PM CHST SAT NOV 29 2025 DATE SAT 11/29/25 SUN 11/30/25 MON 12/01/25 TUE CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 86 79 86 79 TEMP 85 84 82 80 78 79 82 85 85 84 82 80 79 79 83 86 85 84 82 80 79 DEWPT 78 78 79 79 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 80 82 91 97100 97 88 80 80 82 88 94 97 97 85 77 80 82 88 94 97 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 16 10 10 12 13 14 16 16 14 13 13 13 12 14 16 17 16 17 14 16 13 CLOUDS B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 POP 12HR 70 70 60 50 50 QPF 12HR 0.62 0.94 0.58 0.69 0.28 RAIN SHWRS S C C L L L L L L C C C C C C C C S S S S TSTMS S S S S S S S S S S S S S S S S HEAT INDEX 97 95 91 85 92 98 97 94 91 87 84 93 97 97 95 91 88 MAX HEAT 98 97 89 92 98 96 90 93 98 97 90 DATE 12/02/25 WED 12/03/25 THU 12/04/25 FRI 12/05/25 SAT 12/06/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 85 79 85 79 85 79 85 79 87 TEMP 82 84 82 79 83 85 82 79 82 84 82 79 83 85 82 80 84 86 DEWPT 78 78 78 77 77 77 78 77 78 78 78 78 78 77 77 77 77 77 PWIND DIR E E E E E SE SE E E WIND CHAR BZ BZ BZ GN GN GN GN GN GN AVG CLOUDS B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 20 20 30 30 30 30 20 20 RAIN SHWRS S S S S S S C C C C C C C S S S S S $$ MPZ002-291800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 337 PM CHST SAT NOV 29 2025 DATE SAT 11/29/25 SUN 11/30/25 MON 12/01/25 TUE 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 88 77 88 77 TEMP 87 85 82 78 77 77 83 88 87 85 82 79 78 78 84 88 87 85 82 79 78 DEWPT 78 78 79 78 77 77 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 75 80 91100100100 85 72 75 80 88 97100100 82 72 75 80 88 97100 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 14 13 13 13 13 12 12 11 12 13 12 11 14 14 13 14 14 16 16 12 CLOUDS B1 B2 B2 B2 B2 OV OV OV OV B1 B1 B1 B1 B2 B2 B2 B2 SC SC SC SC POP 12HR 50 60 50 50 40 QPF 12HR 0.62 0.64 0.48 0.53 0.11 RAIN SHWRS S C C C C L L C C C C C C C C C C S S S S TSTMS S S S S S S S S S S S S HEAT INDEX 100 96 91 93101100 96 91 84 94101100 96 91 84 MAX HEAT 100 99 89 93 101 99 90 94 101 99 89 DATE 12/02/25 WED 12/03/25 THU 12/04/25 FRI 12/05/25 SAT 12/06/25 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 87 77 88 77 86 79 87 79 89 TEMP 83 86 82 78 83 87 82 78 82 85 82 79 84 86 83 80 85 88 DEWPT 78 78 78 77 77 77 77 77 77 77 78 77 77 77 77 77 77 77 PWIND DIR SE E E E SE SE E E E WIND CHAR BZ BZ BZ GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 10 20 20 20 30 30 30 20 20 RAIN SHWRS S S S S S S S S C C C C C S S S S S $$ MPZ003-291800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 337 PM CHST SAT NOV 29 2025 DATE SAT 11/29/25 SUN 11/30/25 MON 12/01/25 TUE CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 88 77 88 77 TEMP 87 85 82 78 77 77 83 88 87 85 82 79 78 78 84 88 87 85 82 79 78 DEWPT 78 78 79 78 77 77 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 75 80 91100100100 85 72 75 80 88 97100100 82 72 75 80 88 97100 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 14 14 13 13 11 12 11 11 11 12 11 12 11 13 16 13 14 13 16 14 12 CLOUDS B1 B1 B1 B2 B2 B2 B2 OV OV B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 50 50 50 50 40 QPF 12HR 0.27 0.54 0.41 0.41 0.09 RAIN SHWRS S C C C C C C C C C C C C C C C C S S S S TSTMS S S S S S S S S HEAT INDEX 100 96 91 93101100 96 91 84 94101100 96 91 84 MAX HEAT 101 99 89 93 101 99 89 94 101 99 89 DATE 12/02/25 WED 12/03/25 THU 12/04/25 FRI 12/05/25 SAT 12/06/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 77 88 77 86 79 87 79 89 TEMP 83 86 82 78 83 87 82 78 82 85 82 79 84 86 83 80 85 88 DEWPT 78 78 78 77 77 77 77 77 77 77 78 77 77 77 77 77 77 77 PWIND DIR SE E E E SE SE E E E WIND CHAR BZ GN BZ GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC POP 12HR 20 20 20 20 30 30 30 20 20 RAIN SHWRS S S S S S S S S C C C C C S S S S S $$