Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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702 FOMY50 PGUM 191750 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 341 AM CHST WED AUG 20 2025 GUZ001-200600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 341 AM CHST WED AUG 20 2025 DATE WED 08/20/25 THU 08/21/25 FRI 08/22/25 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 78 88 78 88 TEMP 78 79 84 88 87 85 83 80 79 79 84 88 87 85 83 80 79 79 84 88 87 DEWPT 78 78 78 78 77 77 78 78 78 78 78 78 77 77 78 78 78 78 77 77 77 RH 100 97 82 72 72 77 85 94 97 97 82 72 72 77 85 94 97 97 80 70 72 WIND DIR E SE E E NE NE E E E E E E E E E E E E E E E WIND SPD 5 5 8 8 6 8 6 5 5 6 8 9 9 9 9 8 6 6 6 6 6 CLOUDS SC B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 30 30 30 QPF 12HR 0.04 0.06 0.26 0.33 0.25 RAIN SHWRS C S S S S S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 94100 99 96 92 87 94100 99 96 91 87 94100 99 MAX HEAT 94 100 98 90 94 100 98 90 94 100 DATE SAT 08/23/25 SUN 08/24/25 MON 08/25/25 TUE 08/26/25 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 78 88 78 86 79 89 79 88 TEMP 83 79 84 87 82 79 83 86 82 79 85 88 84 80 84 87 DEWPT 78 78 78 78 78 78 78 78 79 79 78 79 79 79 78 77 PWIND DIR E E E E E E E E WIND CHAR LT LT LT LT LT GN LT GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 20 30 30 30 30 RAIN SHWRS C C C C C S S S C C C C C C C C TSTMS S S S S S S S S S S S S S S S $$ MPZ001-200600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 341 AM CHST WED AUG 20 2025 DATE WED 08/20/25 THU 08/21/25 FRI 08/22/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 87 78 87 78 86 TEMP 78 79 83 87 86 84 82 80 79 79 83 87 86 84 82 80 79 79 83 86 86 DEWPT 78 78 78 78 78 78 78 78 78 78 78 77 77 77 78 78 77 77 77 77 77 RH 100 97 85 75 77 82 88 94 97 97 85 72 75 80 88 94 94 94 82 75 75 WIND DIR E E E NE NE E E E E E E E E E E E E E SE SE SE WIND SPD 5 6 9 9 8 9 9 8 5 8 10 11 11 10 10 9 8 9 9 10 9 CLOUDS B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 40 20 20 20 30 QPF 12HR 0.11 0.03 0.16 0.16 0.21 RAIN SHWRS C S S S S S S S S S S S S S S S S C C C C TSTMS S S S S S S S S S S S S S HEAT INDEX 93 99 98 95 91 86 93 98 98 95 91 86 92 98 97 MAX HEAT 93 99 97 89 93 98 97 89 92 98 DATE SAT 08/23/25 SUN 08/24/25 MON 08/25/25 TUE 08/26/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 86 78 85 79 87 79 86 TEMP 82 78 83 85 82 78 82 85 82 79 84 86 83 79 83 85 DEWPT 78 78 78 78 78 78 78 78 79 78 79 79 79 79 78 77 PWIND DIR E E E E E E E E WIND CHAR LT LT LT LT GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 30 30 RAIN SHWRS C C C S C C C S C C C C C C C C TSTMS S S S S S S S S S S S S S S S $$ MPZ002-200600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 341 AM CHST WED AUG 20 2025 DATE WED 08/20/25 THU 08/21/25 FRI 08/22/25 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 78 88 78 88 TEMP 78 79 84 87 87 85 82 80 79 79 84 87 87 85 82 80 79 79 84 88 87 DEWPT 78 78 78 78 77 78 78 78 78 78 78 77 77 77 78 78 77 77 77 77 77 RH 100 97 82 75 72 80 88 94 97 97 82 72 72 77 88 94 94 94 80 70 72 WIND DIR NE NE E E E E E E E E E E E E E E E E E SE E WIND SPD 4 5 8 9 8 10 8 8 5 8 9 10 10 10 9 9 8 9 9 9 8 CLOUDS B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 20 20 20 QPF 12HR 0.09 0.02 0.07 0.10 0.14 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 94100 99 96 92 87 94100 99 96 91 87 94100 99 MAX HEAT 94 100 98 90 94 100 98 90 94 100 DATE SAT 08/23/25 SUN 08/24/25 MON 08/25/25 TUE 08/26/25 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 78 88 78 87 79 89 79 88 TEMP 83 79 84 87 83 79 83 86 82 79 85 88 83 80 84 87 DEWPT 78 78 78 78 78 78 78 78 79 79 79 79 80 79 79 77 PWIND DIR E E E E E E E E WIND CHAR LT LT LT LT GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 30 30 30 30 30 30 30 RAIN SHWRS C C C S C C C S C C C C C C C S TSTMS S S S S S S S S S S S S S S S $$ MPZ003-200600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 341 AM CHST WED AUG 20 2025 DATE WED 08/20/25 THU 08/21/25 FRI 08/22/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 78 88 78 88 TEMP 78 79 84 88 87 85 83 80 79 79 84 88 87 85 83 80 79 79 84 88 87 DEWPT 78 78 78 78 77 78 78 78 78 78 77 77 77 77 78 78 77 77 78 77 77 RH 100 97 82 72 72 80 85 94 97 97 80 70 72 77 85 94 94 94 82 70 72 WIND DIR NE NE E E E E E E E E E E E E E E E E E SE E WIND SPD 4 5 9 9 6 10 8 8 5 8 9 10 10 10 9 8 8 9 9 10 9 CLOUDS B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 20 20 20 QPF 12HR 0.11 0.03 0.07 0.10 0.14 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 94100 99 96 92 87 94100 99 96 92 87 94101100 MAX HEAT 94 100 98 90 94 100 98 90 94 101 DATE SAT 08/23/25 SUN 08/24/25 MON 08/25/25 TUE 08/26/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 78 88 78 86 79 88 79 88 TEMP 83 79 84 87 83 79 83 86 82 79 85 88 83 80 84 87 DEWPT 78 78 78 78 78 78 78 78 79 79 79 79 80 79 79 77 PWIND DIR E E E E E E E E WIND CHAR LT LT LT GN GN GN GN GN AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 30 30 20 20 30 30 RAIN SHWRS S S S S C C C S S S S S C C C S TSTMS S S S S S S S S S S S S S S S $$