Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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205 FOMY50 PGUM 061800 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 358 AM CHST SUN DEC 7 2025 GUZ001-070600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 358 AM CHST SUN DEC 7 2025 DATE SUN 12/07/25 MON 12/08/25 TUE 12/09/25 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 78 88 77 88 TEMP 79 79 84 88 87 85 82 80 78 79 84 87 87 85 82 79 77 78 83 87 87 DEWPT 76 76 75 75 76 76 76 76 76 77 76 76 76 76 76 76 76 76 75 75 75 RH 91 91 74 66 70 75 82 88 94 94 77 70 70 75 82 91 97 94 77 68 68 WIND DIR E E E E NE NE NE NE NE NE NE NE E E E E E E E E E WIND SPD 8 8 11 10 9 8 8 5 5 8 9 10 10 9 9 8 6 9 13 13 12 CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 5 20 20 20 20 QPF 12HR 0.02 0.10 0.13 0.12 0.03 RAIN SHWRS 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 94 90 85 92 98 97 94 89 83 91 97 96 MAX HEAT 92 98 97 88 92 98 96 87 91 97 HIGH SURF Y Y Y Y DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25 SAT 12/13/25 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 77 88 78 87 78 87 TEMP 82 78 83 87 82 78 83 87 82 78 83 87 82 78 83 86 DEWPT 76 76 76 76 76 76 76 76 77 76 77 77 77 77 77 77 PWIND DIR E E E E E NE NE E WIND CHAR GN GN GN GN GN BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 10 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ001-070600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 358 AM CHST SUN DEC 7 2025 DATE SUN 12/07/25 MON 12/08/25 TUE 12/09/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 76 86 76 86 TEMP 78 79 83 86 85 83 81 78 77 77 82 86 85 83 81 78 77 77 82 86 85 DEWPT 76 76 75 75 76 76 76 76 76 77 77 77 76 76 76 76 76 76 76 75 75 RH 94 91 77 70 75 80 85 94 97100 85 75 75 80 85 94 97 97 82 70 72 WIND DIR E E E E E NE NE NE NE NE NE NE E E E E E E E E E WIND SPD 9 12 12 11 10 11 10 10 9 8 9 9 10 11 10 8 10 10 14 14 13 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC POP 12HR 5 20 20 20 20 QPF 12HR 0 0.02 0.04 0.13 0.04 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 95 94 91 87 90 96 95 92 86 89 95 94 MAX HEAT 90 95 93 85 90 96 94 85 89 95 HIGH SURF Y Y Y Y DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25 SAT 12/13/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 86 76 86 76 86 76 86 TEMP 81 77 82 85 81 77 82 85 81 77 82 85 81 77 82 85 DEWPT 76 75 76 76 76 76 76 76 76 77 77 77 77 77 77 77 PWIND DIR E E E E E NE NE NE WIND CHAR GN GN BZ BZ BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 10 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-070600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 358 AM CHST SUN DEC 7 2025 DATE SUN 12/07/25 MON 12/08/25 TUE 12/09/25 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 78 87 78 87 TEMP 78 79 83 87 86 85 82 80 79 79 83 87 86 84 82 80 79 79 83 87 86 DEWPT 76 76 76 76 76 76 76 75 76 77 77 76 76 76 76 76 76 76 75 75 75 RH 94 91 80 70 72 75 82 85 91 94 82 70 72 77 82 88 91 91 77 68 70 WIND DIR E E E E E E NE NE NE NE E E E E E E E E E E E WIND SPD 9 11 11 10 10 9 9 9 8 6 10 11 11 11 9 11 9 10 12 12 12 CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 5 20 20 20 20 QPF 12HR 0 0.02 0.06 0.06 0.02 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S HEAT INDEX 92 97 96 94 90 85 92 97 96 93 89 85 91 96 96 MAX HEAT 92 97 96 88 92 97 96 88 91 96 HIGH SURF Y Y Y Y DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25 SAT 12/13/25 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 78 86 78 86 78 87 78 86 TEMP 82 79 83 85 82 78 83 85 82 78 83 86 82 79 83 86 DEWPT 76 76 76 75 76 76 75 75 76 77 77 77 77 77 77 77 PWIND DIR E E E E NE NE NE NE WIND CHAR GN GN BZ GN BZ BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 10 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ003-070600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 358 AM CHST SUN DEC 7 2025 DATE SUN 12/07/25 MON 12/08/25 TUE 12/09/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 78 88 78 88 TEMP 79 79 84 88 87 85 82 80 78 79 84 87 87 85 82 80 78 79 84 88 87 DEWPT 76 76 76 76 76 76 76 76 76 77 77 76 76 76 76 76 76 75 75 75 75 RH 91 91 77 68 70 75 82 88 94 94 80 70 70 75 82 88 94 88 74 66 68 WIND DIR E E E E E NE NE NE NE NE E E E E E E E E E E E WIND SPD 8 11 11 10 10 9 8 9 6 8 11 12 11 11 9 11 9 10 12 12 12 CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 5 20 20 20 20 QPF 12HR 0.01 0.03 0.07 0.06 0.02 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S HEAT INDEX 93 98 97 94 90 85 92 98 97 94 89 84 91 97 97 MAX HEAT 93 98 97 88 92 98 96 88 91 97 HIGH SURF Y Y Y Y DATE WED 12/10/25 THU 12/11/25 FRI 12/12/25 SAT 12/13/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 87 77 88 78 87 77 87 TEMP 82 78 83 87 82 78 83 87 82 78 83 86 82 78 83 86 DEWPT 76 75 76 76 76 76 75 75 76 77 77 77 77 77 77 77 PWIND DIR E E NE E NE NE NE NE WIND CHAR GN GN GN GN GN BZ BZ BZ AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 10 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$