Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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561 FOMY50 PGUM 131810 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 406 AM CHST THU AUG 14 2025 GUZ001-140600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 406 AM CHST THU AUG 14 2025 DATE THU 08/14/25 FRI 08/15/25 SAT 08/16/25 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 84 88 87 85 82 79 77 78 84 88 87 85 82 79 77 78 84 88 87 DEWPT 76 76 76 76 76 76 76 76 76 76 76 77 77 77 77 77 77 77 77 77 RH 94 77 68 70 75 82 91 97 94 77 68 72 77 85 94100 97 80 70 72 WIND DIR SE SE S S E NE NE E E E E E E E E E E E E E WIND SPD 3 3 2 1 0 0 0 1 3 5 5 5 6 5 4 4 6 11 11 10 CLOUDS SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 30 30 30 30 20 QPF 12HR 0.07 0.10 0.07 0.09 0.12 RAIN SHWRS S S C C S S S S C C C C S S S S S S S S TSTMS S S HEAT INDEX 92 98 97 94 89 84 92 99 98 95 90 84 93100 99 MAX HEAT 92 98 97 88 92 99 97 88 93 100 DATE SUN 08/17/25 MON 08/18/25 TUE 08/19/25 WED 08/20/25 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 78 88 78 88 78 88 78 88 TEMP 83 79 84 87 83 79 84 87 83 79 84 87 83 79 84 87 DEWPT 78 79 78 79 79 79 79 79 79 79 78 78 79 78 78 78 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 30 30 RAIN SHWRS S S S S S S S S S S S S C C C C TSTMS S S S S S S S S S S S S S S S S $$ MPZ001-140600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 406 AM CHST THU AUG 14 2025 DATE THU 08/14/25 FRI 08/15/25 SAT 08/16/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 78 87 78 87 TEMP 79 83 87 86 84 82 80 78 79 83 87 86 84 82 80 78 79 83 87 86 DEWPT 76 76 76 76 76 76 76 76 76 77 77 77 77 77 77 77 77 77 77 77 RH 91 80 70 72 77 82 88 94 91 82 72 75 80 85 91 97 94 82 72 75 WIND DIR SE SE E E E NE NE E E E E E E E E E E E E E WIND SPD 3 4 3 2 2 2 3 3 3 5 5 4 6 5 5 6 9 11 11 11 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.04 0.06 0.06 0.10 0.11 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S TSTMS S S S S S S S S HEAT INDEX 91 96 96 93 89 85 92 98 97 94 90 85 92 98 98 MAX HEAT 91 96 95 88 92 98 96 88 92 98 DATE SUN 08/17/25 MON 08/18/25 TUE 08/19/25 WED 08/20/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 87 78 87 78 87 78 87 TEMP 82 79 83 86 82 79 83 86 82 79 83 86 82 79 83 86 DEWPT 78 78 79 79 79 79 79 79 79 79 79 78 79 78 78 77 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN GN AVG CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 30 30 RAIN SHWRS S S S S S S S S S S S S C C C S TSTMS S S S S S S S S S S S S S S S S $$ MPZ002-140600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 406 AM CHST THU AUG 14 2025 DATE THU 08/14/25 FRI 08/15/25 SAT 08/16/25 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 83 87 87 84 81 78 77 77 83 87 87 84 81 78 77 77 83 87 87 DEWPT 76 76 76 76 77 77 77 77 77 77 77 77 77 78 78 77 77 78 78 78 RH 97 80 70 70 80 88 97100100 82 72 72 80 91100100100 85 75 75 WIND DIR SE SE SE E E NE NE E E E E E E E E E E E E E WIND SPD 3 4 3 2 2 2 3 3 3 4 4 4 5 5 5 5 9 11 11 11 CLOUDS 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 0.03 0.04 0.06 0.09 0.11 RAIN SHWRS 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 S S S S S S S S HEAT INDEX 91 98 97 94 88 92 99 98 94 89 92100 99 MAX HEAT 91 98 96 87 92 99 97 88 92 100 DATE SUN 08/17/25 MON 08/18/25 TUE 08/19/25 WED 08/20/25 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 78 88 78 88 78 88 78 88 TEMP 82 79 84 87 82 79 84 87 82 79 84 87 82 79 84 87 DEWPT 79 79 79 79 80 79 79 79 79 79 79 78 79 78 78 77 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 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 TSTMS S S S S S S S S S S S S S S S S $$ MPZ003-140600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 406 AM CHST THU AUG 14 2025 DATE THU 08/14/25 FRI 08/15/25 SAT 08/16/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 76 88 76 88 TEMP 77 83 88 87 85 81 78 77 77 83 88 87 85 81 78 77 77 83 88 87 DEWPT 76 76 76 77 77 77 77 77 77 77 77 77 77 78 78 77 77 78 78 78 RH 97 80 68 72 77 88 97100100 82 70 72 77 91100100100 85 72 75 WIND DIR SE SE E E E NE NE E NE E E E E E E E E E E E WIND SPD 3 3 3 2 2 2 3 3 2 4 4 4 5 5 5 5 9 11 11 11 CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.08 0.06 0.07 0.09 0.11 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S HEAT INDEX 92 99 98 95 89 92100 99 95 90 93101100 MAX HEAT 92 99 97 87 92 100 98 88 93 101 DATE SUN 08/17/25 MON 08/18/25 TUE 08/19/25 WED 08/20/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 88 78 88 78 88 78 88 TEMP 83 79 84 87 83 79 84 87 83 79 84 87 83 79 84 87 DEWPT 79 79 79 79 80 79 79 79 79 79 79 78 79 78 78 77 PWIND DIR E E E E E E E E WIND CHAR GN GN GN GN GN GN GN LT AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC POP 12HR 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S S S S S $$