Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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984 FOMY50 PGUM 191710 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 301 AM CHST SUN APR 20 2025 GUZ001-200600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 301 AM CHST SUN APR 20 2025 DATE SUN 04/20/25 MON 04/21/25 TUE 04/22/25 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 76 88 76 88 TEMP 77 77 83 88 87 85 82 78 77 77 83 88 87 85 82 79 77 77 83 88 87 DEWPT 76 75 75 75 75 75 76 76 76 76 76 76 76 76 76 76 75 75 75 75 75 RH 97 94 77 66 68 72 82 94 97 97 80 68 70 75 82 91 94 94 77 66 68 WIND DIR E E E E E E E E NE E E E E NE E E E E E E E WIND SPD 5 9 11 11 10 9 8 6 6 6 8 9 9 8 5 4 5 8 11 10 10 CLOUDS SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 30 30 20 20 QPF 12HR 0.02 0.12 0.03 0.06 0.04 RAIN SHWRS S S S S S C C C C S S S S S S S S S S S S HEAT INDEX 90 97 96 93 88 91 99 98 94 88 91 98 97 MAX HEAT 90 97 95 86 91 99 97 86 91 98 DATE WED 04/23/25 THU 04/24/25 FRI 04/25/25 SAT 04/26/25 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 87 76 86 76 86 TEMP 82 77 83 88 82 77 83 86 81 77 82 85 81 77 82 86 DEWPT 75 75 75 75 76 76 75 75 76 76 76 76 77 77 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 10 20 20 20 20 10 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ001-200600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 301 AM CHST SUN APR 20 2025 DATE SUN 04/20/25 MON 04/21/25 TUE 04/22/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 77 87 77 87 TEMP 78 78 83 87 87 85 82 79 78 78 83 87 87 85 82 79 78 78 83 87 87 DEWPT 75 75 75 75 75 75 75 76 76 75 76 76 75 75 75 75 75 75 75 75 75 RH 91 91 77 68 68 72 79 91 94 91 80 70 68 72 79 88 91 91 77 68 68 WIND DIR E E E E E E E E E E E E NE NE E E E E E E E WIND SPD 10 11 12 12 11 11 11 10 10 11 12 12 12 11 11 10 10 10 12 13 13 CLOUDS SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 30 30 20 20 QPF 12HR 0.04 0.12 0.03 0.06 0.04 RAIN SHWRS S S S S S C C C C S S S S S S S S S S S S HEAT INDEX 90 96 95 93 89 83 91 97 96 93 89 83 91 97 96 MAX HEAT 90 96 95 87 91 97 95 87 91 97 DATE WED 04/23/25 THU 04/24/25 FRI 04/25/25 SAT 04/26/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 77 87 77 86 77 85 77 85 TEMP 82 78 83 86 82 78 83 86 81 78 82 84 81 78 82 84 DEWPT 75 75 75 75 75 75 75 76 76 76 76 76 77 77 76 77 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 10 10 20 20 20 20 10 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-200600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 301 AM CHST SUN APR 20 2025 DATE SUN 04/20/25 MON 04/21/25 TUE 04/22/25 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 76 89 76 89 TEMP 77 77 84 89 88 85 82 79 77 77 84 89 88 85 82 79 77 77 84 89 88 DEWPT 75 75 75 74 74 75 75 76 76 75 75 75 75 75 75 75 75 75 75 75 74 RH 94 94 74 61 63 72 79 91 97 94 74 64 66 72 79 88 94 94 74 64 63 WIND DIR E E E E E E E E E E E E E E NE E E E E E E WIND SPD 9 10 10 11 11 9 8 8 9 10 11 11 11 9 9 8 8 9 11 11 11 CLOUDS B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 30 30 10 10 QPF 12HR 0.11 0.11 0.03 0.05 0.04 RAIN SHWRS C S S S S C C C C S S S S S S S S S S S S HEAT INDEX 91 98 97 94 89 91 98 97 94 88 91 98 97 MAX HEAT 91 98 96 86 91 98 97 86 91 98 DATE WED 04/23/25 THU 04/24/25 FRI 04/25/25 SAT 04/26/25 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 88 76 89 76 87 76 88 TEMP 82 77 83 87 81 77 84 88 82 77 83 86 81 77 83 87 DEWPT 75 75 75 74 75 75 75 75 76 76 76 76 77 76 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN 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 10 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ003-200600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 301 AM CHST SUN APR 20 2025 DATE SUN 04/20/25 MON 04/21/25 TUE 04/22/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 89 76 89 76 89 TEMP 77 77 84 89 88 85 82 79 77 77 84 89 88 85 82 79 77 77 84 89 88 DEWPT 75 75 75 75 74 75 75 76 75 75 75 75 75 75 75 75 75 75 75 75 74 RH 94 94 74 64 63 72 79 91 94 94 74 64 66 72 79 88 94 94 74 64 63 WIND DIR E E E E E E E E E E E E E NE E E E E E E E WIND SPD 9 10 11 11 11 9 8 8 8 9 11 11 10 8 8 6 6 8 11 11 11 CLOUDS B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 30 30 10 10 QPF 12HR 0.09 0.12 0.03 0.05 0.04 RAIN SHWRS C S S S S C C C C S S S S S S S S S S S S HEAT INDEX 91 98 97 94 89 91 98 98 94 88 92 98 97 MAX HEAT 91 98 96 86 91 98 97 86 92 98 DATE WED 04/23/25 THU 04/24/25 FRI 04/25/25 SAT 04/26/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 88 76 89 76 88 76 89 TEMP 82 77 83 87 82 77 84 88 82 77 83 87 81 77 84 88 DEWPT 75 75 75 74 75 75 75 75 76 76 76 76 77 76 76 76 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 10 20 20 20 20 10 RAIN SHWRS S S S S S S S S S S S S S S S S $$