Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
Versions:
1
2
313 FOMY50 PGUM 031750 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 349 AM CHST THU DEC 4 2025 GUZ001-040600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 349 AM CHST THU DEC 4 2025 DATE THU 12/04/25 FRI 12/05/25 SAT 12/06/25 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 87 79 85 79 88 TEMP 79 79 84 87 86 85 83 81 79 80 83 85 85 84 82 81 80 80 84 87 87 DEWPT 76 76 76 76 77 77 78 77 77 77 77 77 77 78 78 78 77 77 77 77 76 RH 91 91 77 70 75 77 85 88 94 91 82 77 77 82 88 91 91 91 80 72 70 WIND DIR E E E E E E E E E E E SE SE E E SE SE E E E E WIND SPD 8 9 13 12 11 10 9 8 6 8 11 12 11 11 8 6 5 10 11 11 11 CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 30 30 30 20 QPF 12HR 0.07 0.21 0.23 0.10 0.05 RAIN SHWRS S S S S S C C C C C C C C S S S S S S S S TSTMS S S S S S S S S HEAT INDEX 84 92 97 97 95 92 88 84 85 92 96 95 94 91 88 85 87 94 99 98 MAX HEAT 84 92 97 96 90 92 96 95 90 94 99 DATE SUN 12/07/25 MON 12/08/25 TUE 12/09/25 WED 12/10/25 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 88 78 89 78 89 78 89 TEMP 82 77 83 87 82 78 84 88 83 78 84 88 83 78 84 88 DEWPT 77 77 77 77 77 76 76 76 76 77 76 76 76 76 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN LT GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 10 10 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ001-040600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 349 AM CHST THU DEC 4 2025 DATE THU 12/04/25 FRI 12/05/25 SAT 12/06/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 85 79 85 79 87 TEMP 79 79 83 85 85 84 82 80 79 80 83 85 84 83 82 81 80 80 84 86 86 DEWPT 75 76 76 76 76 76 77 77 76 77 77 77 78 78 78 77 77 77 77 77 77 RH 88 91 80 75 75 77 85 91 91 91 82 77 82 85 88 88 91 91 80 75 75 WIND DIR E E E E E E E E E E E E E SE SE E E E E E E WIND SPD 11 13 14 13 12 12 12 11 10 12 14 13 12 12 9 6 5 10 11 11 11 CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 10 30 30 30 20 QPF 12HR 0.03 0.12 0.15 0.09 0.06 RAIN SHWRS S S S S S C C C C C C C C S S S S S S S S TSTMS S S S S S S S S HEAT INDEX 84 90 94 94 92 90 87 84 85 91 95 95 93 90 88 85 87 93 97 96 MAX HEAT 83 90 95 94 89 91 96 95 90 93 97 DATE SUN 12/07/25 MON 12/08/25 TUE 12/09/25 WED 12/10/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 87 78 87 78 87 78 87 TEMP 82 78 83 86 82 78 83 86 82 78 84 87 82 78 84 87 DEWPT 77 77 77 77 77 76 76 76 76 76 76 76 76 75 75 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 10 10 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-040600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 349 AM CHST THU DEC 4 2025 DATE THU 12/04/25 FRI 12/05/25 SAT 12/06/25 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 79 86 79 89 TEMP 78 78 83 88 87 85 83 81 80 80 83 86 85 84 82 81 80 80 85 88 88 DEWPT 74 75 75 75 76 76 77 77 77 77 77 77 77 77 77 77 77 77 77 76 76 RH 88 91 77 66 70 75 82 88 91 91 82 75 77 80 85 88 91 91 77 68 68 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 10 11 11 10 10 11 10 10 9 11 12 12 11 11 8 6 5 10 12 11 11 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC POP 12HR 5 10 20 20 20 QPF 12HR 0.01 0.02 0.03 0.14 0.10 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 91 98 97 95 92 87 84 85 92 96 96 94 91 88 85 87 95100 99 MAX HEAT 91 98 97 90 92 96 95 90 95 100 DATE SUN 12/07/25 MON 12/08/25 TUE 12/09/25 WED 12/10/25 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 76 89 76 89 76 89 76 89 TEMP 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 77 77 77 77 77 76 76 76 76 75 75 75 76 75 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 10 10 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ003-040600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 349 AM CHST THU DEC 4 2025 DATE THU 12/04/25 FRI 12/05/25 SAT 12/06/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 79 86 79 89 TEMP 78 78 83 88 87 85 83 81 80 80 83 86 85 84 82 81 80 80 85 88 88 DEWPT 75 75 76 76 76 76 77 77 77 77 77 77 77 77 77 77 77 77 77 76 77 RH 91 91 80 68 70 75 82 88 91 91 82 75 77 80 85 88 91 91 77 68 70 WIND DIR E E SE SE E E E E E E E E E E E SE E E E E E WIND SPD 10 11 11 10 10 10 10 10 9 11 12 12 11 11 8 6 6 10 12 11 11 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC POP 12HR 5 10 20 20 20 QPF 12HR 0.01 0.02 0.03 0.16 0.11 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 92 98 97 95 92 88 84 85 92 97 96 94 91 88 85 87 95100 99 MAX HEAT 92 98 97 90 92 97 95 90 95 100 DATE SUN 12/07/25 MON 12/08/25 TUE 12/09/25 WED 12/10/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 89 76 89 76 89 76 89 TEMP 82 77 84 88 82 77 84 88 82 77 84 88 82 77 84 88 DEWPT 77 77 77 77 77 76 76 76 76 75 75 75 76 75 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN LT LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 10 10 RAIN SHWRS S S S S S S S S S S S S S S S S $$