Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
817 FOMY50 PGUM 190510 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 305 PM CHST THU JUN 19 2025 GUZ001-191800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 305 PM CHST THU JUN 19 2025 DATE THU 06/19/25 FRI 06/20/25 SAT 06/21/25 SUN CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 88 77 88 77 TEMP 87 85 82 79 78 78 84 88 87 85 82 79 78 78 84 88 87 85 82 79 78 DEWPT 77 78 78 78 78 78 78 77 77 77 78 78 77 77 77 77 77 77 77 78 77 RH 72 80 88 97100100 82 70 72 77 88 97 97 97 80 70 72 77 85 97 97 WIND DIR E E E E E E SE SE SE SE E SE SE SE SE SE SE SE SE SE SE WIND SPD 9 8 6 5 5 4 9 9 9 5 6 5 4 5 8 8 8 5 5 4 4 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 10 20 QPF 12HR 0.10 0.06 0.02 0.03 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 100 96 92 84 94101100 96 91 84 93100 99 96 91 84 MAX HEAT 100 99 90 94 101 99 89 93 100 98 89 DATE 06/22/25 MON 06/23/25 TUE 06/24/25 WED 06/25/25 THU 06/26/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 77 89 77 88 77 88 77 88 TEMP 84 87 82 78 84 88 83 78 83 87 82 78 83 87 82 78 83 87 DEWPT 77 77 78 78 78 78 78 78 78 78 78 78 78 78 78 78 76 76 PWIND DIR SE SE SE SE E E E E E WIND CHAR LT LT LT LT LT LT GN LT LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 30 30 RAIN SHWRS S S S S S S S S S S S S S S C C C C TSTMS S S S S $$ MPZ001-191800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 305 PM CHST THU JUN 19 2025 DATE THU 06/19/25 FRI 06/20/25 SAT 06/21/25 SUN CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 87 76 87 76 TEMP 86 84 81 78 77 77 83 87 86 84 81 78 77 77 83 87 86 84 81 78 77 DEWPT 77 78 78 78 77 77 78 78 77 77 78 78 77 77 77 77 77 77 77 77 77 RH 75 82 91100100100 85 75 75 80 91100100100 82 72 75 80 88 97100 WIND DIR E E E E SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE WIND SPD 11 9 10 9 9 9 12 11 11 10 10 10 9 10 11 11 10 10 10 9 10 CLOUDS SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 30 20 10 20 QPF 12HR 0.25 0.11 0.04 0.02 0.05 RAIN SHWRS S C C C C S S S S S S S S S S S S S S S S HEAT INDEX 98 95 90 92 99 98 94 89 91 98 97 94 89 MAX HEAT 98 97 88 92 99 97 87 91 98 96 87 DATE 06/22/25 MON 06/23/25 TUE 06/24/25 WED 06/25/25 THU 06/26/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 76 87 76 87 76 87 76 87 TEMP 83 86 81 77 83 87 81 77 83 86 81 77 83 86 81 77 83 87 DEWPT 77 77 78 77 78 78 78 77 78 78 79 77 78 78 78 77 76 76 PWIND DIR SE SE SE SE E E E E E WIND CHAR LT LT GN LT GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 30 30 RAIN SHWRS S S S S S S S S S S S S S S C C C C TSTMS S S S S $$ MPZ002-191800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 305 PM CHST THU JUN 19 2025 DATE THU 06/19/25 FRI 06/20/25 SAT 06/21/25 SUN CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 89 77 89 77 TEMP 88 86 83 79 78 78 84 89 88 86 83 79 78 78 84 89 88 86 83 79 78 DEWPT 77 78 78 78 78 78 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 RH 70 77 85 97100100 80 68 70 75 82 94 97 97 80 68 70 75 82 94 97 WIND DIR SE E E E SE SE SE SE SE SE SE SE SE SE SE SE S SE SE S S WIND SPD 10 8 8 8 8 9 10 11 10 8 8 8 8 8 10 10 8 6 6 8 6 CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.14 0.12 0.09 0.04 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 TSTMS S S S S HEAT INDEX 101 98 92 85 94102100 96 91 84 94101100 97 91 84 MAX HEAT 101 100 90 94 102 99 89 94 101 99 89 DATE 06/22/25 MON 06/23/25 TUE 06/24/25 WED 06/25/25 THU 06/26/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 89 77 89 77 89 77 89 77 89 TEMP 84 88 83 78 84 88 82 78 84 88 83 78 84 88 83 78 84 88 DEWPT 77 77 78 78 77 77 78 78 78 78 78 78 78 78 78 78 76 76 PWIND DIR S SE S SE SE E E E E WIND CHAR LT LT LT LT LT GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 30 30 RAIN SHWRS S S S S S S S S S S S S S S C C C S TSTMS S S S S $$ MPZ003-191800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 305 PM CHST THU JUN 19 2025 DATE THU 06/19/25 FRI 06/20/25 SAT 06/21/25 SUN CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 89 77 89 77 TEMP 88 86 83 80 78 78 84 89 88 86 83 80 78 78 84 89 88 86 83 80 78 DEWPT 77 78 78 78 78 78 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 RH 70 77 85 94100100 80 68 70 75 82 91 97 97 80 68 70 75 82 91 97 WIND DIR SE E E E SE SE SE SE SE SE SE SE SE SE SE S S S SE S S WIND SPD 10 8 8 8 8 8 10 11 10 6 6 6 6 8 10 10 8 6 6 6 6 CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.15 0.14 0.08 0.05 0.06 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S TSTMS S S S S HEAT INDEX 101 98 92 85 94102100 97 91 85 94101100 97 91 84 MAX HEAT 102 100 90 94 102 99 89 94 101 99 89 DATE 06/22/25 MON 06/23/25 TUE 06/24/25 WED 06/25/25 THU 06/26/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 89 77 89 77 89 77 89 77 89 TEMP 84 88 83 78 84 88 83 78 84 88 83 78 84 88 83 78 84 88 DEWPT 77 77 78 78 78 77 78 78 78 78 78 78 78 78 78 78 76 76 PWIND DIR S SE S SE SE E E E E WIND CHAR LT LT LT LT LT GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 30 30 RAIN SHWRS S S S S S S S S S S S S S S C C C S TSTMS S S S S $$