Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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255 FOMY50 PGUM 141710 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 304 AM CHST SUN JUN 15 2025 GUZ001-150600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 304 AM CHST SUN JUN 15 2025 DATE SUN 06/15/25 MON 06/16/25 TUE 06/17/25 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 89 78 88 77 88 TEMP 79 79 85 89 88 86 83 80 79 79 84 88 87 85 82 79 78 78 84 88 87 DEWPT 77 77 77 77 77 77 77 78 78 76 76 76 76 77 78 78 77 77 77 77 77 RH 94 94 77 68 70 75 82 94 97 91 77 68 70 77 88 97 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 5 8 10 9 9 9 8 6 6 8 10 9 8 8 6 5 5 6 8 8 8 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 0.05 0.02 0.03 0.07 0.09 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 83 94101100 97 92 87 83 92 98 97 95 91 84 93101100 MAX HEAT 94 101 99 91 92 98 96 89 93 101 DATE WED 06/18/25 THU 06/19/25 FRI 06/20/25 SAT 06/21/25 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 77 87 77 88 TEMP 82 78 84 87 82 78 84 87 82 78 83 86 82 78 84 87 DEWPT 78 78 78 78 79 78 77 77 77 77 77 77 77 77 76 76 PWIND DIR E E E E E E E SE WIND CHAR LT LT LT 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 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ001-150600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 304 AM CHST SUN JUN 15 2025 DATE SUN 06/15/25 MON 06/16/25 TUE 06/17/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 77 86 76 87 TEMP 77 78 83 87 86 84 81 79 77 78 82 86 85 83 81 78 77 77 82 86 86 DEWPT 77 76 77 77 77 77 77 78 78 76 76 76 76 77 77 77 76 77 78 78 78 RH 100 94 82 72 75 80 88 97103 94 82 72 75 82 88 97 97100 88 77 77 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 8 8 10 8 9 9 9 8 8 9 10 9 8 8 6 5 5 6 8 8 8 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.06 0.02 0.03 0.07 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 91 98 97 94 89 89 95 94 92 88 91 98 98 MAX HEAT 91 98 96 87 89 95 93 85 91 98 DATE WED 06/18/25 THU 06/19/25 FRI 06/20/25 SAT 06/21/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 87 76 87 76 86 76 87 TEMP 81 77 82 86 81 77 83 86 81 77 82 85 81 77 82 86 DEWPT 78 76 78 78 78 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E SE WIND CHAR LT LT LT GN GN LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-150600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 304 AM CHST SUN JUN 15 2025 DATE SUN 06/15/25 MON 06/16/25 TUE 06/17/25 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 89 78 88 77 89 TEMP 79 79 85 89 88 86 83 80 79 79 84 88 87 85 82 79 78 78 84 89 88 DEWPT 77 76 76 76 76 76 77 77 77 75 75 75 75 77 77 77 77 77 78 77 78 RH 94 91 75 66 68 72 82 91 94 88 74 66 68 77 85 94 97 97 82 68 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 9 9 8 9 8 6 6 8 9 8 8 8 6 5 5 6 8 8 8 CLOUDS SC B1 B1 B1 B1 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 0.09 0.03 0.03 0.06 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 83 94100 99 96 92 87 83 92 98 97 95 90 84 94102101 MAX HEAT 94 100 98 90 92 98 96 89 94 102 DATE WED 06/18/25 THU 06/19/25 FRI 06/20/25 SAT 06/21/25 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 89 77 88 77 89 TEMP 82 78 84 87 82 78 84 88 83 78 84 87 82 78 84 88 DEWPT 78 78 78 78 78 78 77 77 77 77 77 77 77 77 76 76 PWIND DIR E E E E E E E E WIND CHAR LT LT LT 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 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ003-150600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 304 AM CHST SUN JUN 15 2025 DATE SUN 06/15/25 MON 06/16/25 TUE 06/17/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 89 78 88 77 89 TEMP 79 79 85 89 88 86 83 80 79 79 84 88 87 85 82 79 78 78 84 88 88 DEWPT 77 76 76 76 76 76 77 77 77 75 75 75 75 77 77 77 77 77 78 78 78 RH 94 91 75 66 68 72 82 91 94 88 74 66 68 77 85 94 97 97 82 72 72 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 6 6 9 9 8 9 8 6 6 8 9 8 6 8 6 5 5 6 8 8 8 CLOUDS SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.10 0.04 0.03 0.06 0.05 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 83 94100 99 96 92 87 83 92 98 97 96 90 84 94101101 MAX HEAT 94 100 98 90 92 98 96 89 94 101 DATE WED 06/18/25 THU 06/19/25 FRI 06/20/25 SAT 06/21/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 88 77 89 77 88 77 89 TEMP 82 78 83 87 82 78 84 88 83 78 84 87 82 78 84 88 DEWPT 78 78 78 78 78 78 77 77 77 77 77 77 77 77 76 76 PWIND DIR E E E E E E E E WIND CHAR LT LT LT GN LT LT LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$