Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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486 FOMY50 PGUM 171740 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 331 AM CHST WED JUN 18 2025 GUZ001-180600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 331 AM CHST WED JUN 18 2025 DATE WED 06/18/25 THU 06/19/25 FRI 06/20/25 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 88 77 88 TEMP 78 78 84 88 87 85 82 79 78 78 84 88 87 85 82 79 78 78 84 88 87 DEWPT 78 77 77 77 77 78 78 78 78 77 77 77 77 77 77 77 77 77 77 77 77 RH 100 97 80 70 72 80 88 97100 97 80 70 72 77 85 94 97 97 80 70 72 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 6 5 9 9 9 9 6 6 5 13 13 12 11 12 12 11 11 11 11 11 10 WIND GUST 18 18 17 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 20 20 20 20 QPF 12HR 0.03 0.02 0.05 0.08 0.05 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 93100 99 96 92 84 94101100 96 91 84 94101100 MAX HEAT 93 100 99 90 94 101 99 89 94 101 DATE SAT 06/21/25 SUN 06/22/25 MON 06/23/25 TUE 06/24/25 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 79 89 79 88 TEMP 82 78 84 87 82 78 84 88 83 80 85 88 84 80 84 87 DEWPT 77 77 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN LT LT LT LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 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 $$ MPZ001-180600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 331 AM CHST WED JUN 18 2025 DATE WED 06/18/25 THU 06/19/25 FRI 06/20/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 76 87 76 87 TEMP 77 77 82 86 86 84 81 78 77 77 83 87 86 84 81 78 77 77 83 87 86 DEWPT 77 77 77 77 77 78 78 78 77 76 76 76 76 76 76 76 76 76 76 76 76 RH 100100 85 75 75 82 91100100 97 80 70 72 77 85 94 97 97 80 70 72 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 6 6 8 9 8 9 8 6 5 13 14 14 13 12 13 11 11 12 13 13 12 WIND GUST 18 18 19 18 17 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.04 0.01 0.04 0.07 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 91 98 97 94 89 90 97 96 93 87 90 97 96 MAX HEAT 91 98 96 86 90 97 95 86 90 97 DATE SAT 06/21/25 SUN 06/22/25 MON 06/23/25 TUE 06/24/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 87 76 87 79 87 79 87 TEMP 81 77 83 86 81 77 83 86 83 79 84 87 83 79 84 87 DEWPT 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN LT LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-180600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 331 AM CHST WED JUN 18 2025 DATE WED 06/18/25 THU 06/19/25 FRI 06/20/25 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 89 77 89 TEMP 78 78 84 88 87 85 82 79 78 78 84 89 88 86 83 79 78 78 84 89 88 DEWPT 78 77 77 77 77 77 78 78 78 77 77 77 77 77 77 77 77 77 77 77 77 RH 100 97 80 70 72 77 88 97100 97 80 68 70 75 82 94 97 97 80 68 70 WIND DIR E E E E SE E E E E E E E E E E E E E E E E WIND SPD 5 6 8 8 6 6 6 6 5 13 13 12 12 11 11 11 11 11 11 11 11 WIND GUST 17 18 17 17 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.02 0.01 0.04 0.08 0.06 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 93 99 98 96 91 84 94102101 97 91 84 94102101 MAX HEAT 93 99 98 89 94 102 100 89 94 102 DATE SAT 06/21/25 SUN 06/22/25 MON 06/23/25 TUE 06/24/25 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 89 77 89 79 89 79 89 TEMP 83 78 84 88 83 78 84 88 83 79 85 88 84 80 85 88 DEWPT 77 77 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E E WIND CHAR GN LT LT LT LT LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 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 $$ MPZ003-180600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 331 AM CHST WED JUN 18 2025 DATE WED 06/18/25 THU 06/19/25 FRI 06/20/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 77 89 77 89 TEMP 78 78 83 88 87 85 82 79 78 78 84 89 88 86 83 80 78 78 84 89 88 DEWPT 78 77 77 77 77 78 78 78 78 77 77 77 77 77 77 77 77 77 77 77 77 RH 100 97 82 70 72 80 88 97100 97 80 68 70 75 82 91 97 97 80 68 70 WIND DIR E E E E SE E E E E E E E E E E E E E E E E WIND SPD 5 5 8 6 6 6 6 5 5 12 13 13 12 11 11 11 10 10 11 12 11 WIND GUST 18 18 18 16 17 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.02 0.01 0.05 0.09 0.06 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 93 99 99 96 91 84 94102101 97 91 85 94102101 MAX HEAT 93 99 98 89 94 102 100 89 94 102 DATE SAT 06/21/25 SUN 06/22/25 MON 06/23/25 TUE 06/24/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 89 77 89 79 89 79 89 TEMP 83 78 84 88 83 78 84 88 83 79 85 88 84 80 85 88 DEWPT 77 77 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E E WIND CHAR GN LT LT LT LT LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$