Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
657 FOMY50 PGUM 261750 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 344 AM CHST SUN APR 27 2025 GUZ001-270600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 344 AM CHST SUN APR 27 2025 DATE SUN 04/27/25 MON 04/28/25 TUE 04/29/25 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 79 77 77 83 88 87 85 82 79 77 77 83 87 87 DEWPT 77 76 76 76 76 76 77 77 76 76 76 76 76 76 77 77 76 76 76 76 76 RH 100 97 80 68 70 75 85 94 97 97 80 68 70 75 85 94 97 97 80 70 70 WIND DIR NE E E E E E E E E E E E E E E E E E E E E WIND SPD 4 9 11 12 12 10 9 8 8 10 11 11 11 10 8 5 4 8 13 13 13 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC POP 12HR 30 20 20 20 20 QPF 12HR 0.03 0.02 0.05 0.11 0.07 RAIN SHWRS C 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 91 98 97 94 89 91 98 97 MAX HEAT 91 98 96 87 91 98 96 87 91 98 DATE WED 04/30/25 THU 05/01/25 FRI 05/02/25 SAT 05/03/25 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 88 76 88 76 88 TEMP 82 77 83 87 82 77 83 87 82 77 83 87 82 77 83 87 DEWPT 77 77 77 77 77 77 76 76 77 76 76 76 77 76 76 76 PWIND DIR E E E E E E E E WIND CHAR GN BZ BZ BZ BZ BZ GN GN AVG CLOUDS SC SC SC SC B1 B1 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 $$ MPZ001-270600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 344 AM CHST SUN APR 27 2025 DATE SUN 04/27/25 MON 04/28/25 TUE 04/29/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 76 87 76 87 TEMP 77 77 83 87 86 84 81 78 77 77 83 87 86 84 81 78 77 77 83 87 86 DEWPT 77 76 76 76 76 76 76 76 76 76 76 76 76 76 77 77 76 76 76 76 76 RH 100 97 80 70 72 77 85 94 97 97 80 70 72 77 88 97 97 97 80 70 72 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 8 11 13 12 13 13 11 10 9 12 12 12 12 11 11 9 8 9 14 14 13 CLOUDS B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 30 10 20 20 20 QPF 12HR 0.04 0.03 0.06 0.08 0.06 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S HEAT INDEX 90 97 96 93 88 91 97 96 93 88 91 98 97 MAX HEAT 90 97 95 86 91 97 96 87 91 98 DATE WED 04/30/25 THU 05/01/25 FRI 05/02/25 SAT 05/03/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 87 76 87 76 87 76 87 TEMP 81 77 83 86 81 77 83 86 81 77 83 86 81 77 83 86 DEWPT 77 77 77 76 77 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E E WIND CHAR GN BZ BZ BZ BZ BZ GN GN AVG CLOUDS SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$ MPZ002-270600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 344 AM CHST SUN APR 27 2025 DATE SUN 04/27/25 MON 04/28/25 TUE 04/29/25 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 78 83 87 87 85 82 79 77 78 83 87 87 85 82 79 77 78 83 87 87 DEWPT 76 76 76 75 75 76 76 76 76 76 75 75 75 76 76 76 76 76 76 76 76 RH 97 94 80 68 68 75 82 91 97 94 77 68 68 75 82 91 97 94 80 70 70 WIND DIR E E E E E E E E E E E E E E E E E SE E E E WIND SPD 10 11 13 13 12 13 12 11 10 11 11 10 11 11 9 6 6 12 13 13 13 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 0.06 0.04 0.04 0.05 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 HEAT INDEX 91 97 96 93 88 91 97 96 94 89 91 98 97 MAX HEAT 91 97 96 87 91 97 96 87 91 98 DATE WED 04/30/25 THU 05/01/25 FRI 05/02/25 SAT 05/03/25 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 88 76 88 76 88 TEMP 81 77 83 87 81 77 83 87 82 77 83 87 81 77 83 87 DEWPT 77 77 76 76 76 76 75 76 76 76 76 76 76 76 75 76 PWIND DIR E E E E E E E E WIND CHAR GN BZ BZ BZ BZ BZ GN GN AVG CLOUDS SC SC SC B1 B1 SC SC SC B1 B1 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 $$ MPZ003-270600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 344 AM CHST SUN APR 27 2025 DATE SUN 04/27/25 MON 04/28/25 TUE 04/29/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 76 88 76 88 TEMP 77 77 83 88 87 85 82 79 77 78 83 88 87 85 82 79 77 78 83 88 87 DEWPT 76 76 76 75 75 76 76 76 76 76 75 75 75 76 76 76 76 77 76 76 76 RH 97 97 80 66 68 75 82 91 97 94 77 66 68 75 82 91 97 97 80 68 70 WIND DIR E E E E E E E E E E E E E E E E E SE E E E WIND SPD 12 12 13 12 13 12 12 11 10 10 11 10 10 10 9 6 6 11 13 13 13 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 10 20 20 20 QPF 12HR 0.08 0.03 0.05 0.04 0.04 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S HEAT INDEX 91 98 97 94 89 91 98 97 94 89 92 99 98 MAX HEAT 91 98 96 87 91 98 96 87 92 99 DATE WED 04/30/25 THU 05/01/25 FRI 05/02/25 SAT 05/03/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 76 88 76 88 76 88 76 88 TEMP 82 77 83 87 82 77 83 87 82 77 83 87 82 77 83 87 DEWPT 77 77 76 76 76 76 76 76 76 76 76 76 76 76 75 76 PWIND DIR E E E E E E E E WIND CHAR GN BZ BZ BZ BZ BZ GN GN AVG CLOUDS SC SC SC B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S $$