Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
081 FOMY50 PGUM 220140 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 1136 AM CHST FRI AUG 22 2025 GUZ001-220600- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 1136 AM CHST FRI AUG 22 2025 DATE FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 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 86 TEMP 88 87 85 83 80 79 79 84 87 87 85 82 80 79 79 83 86 86 DEWPT 77 77 77 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 70 72 77 85 94 97 97 82 75 75 80 88 94 97 97 85 77 77 WIND DIR E E E E E SE S E E E NE E E E E E E E WIND SPD 9 8 5 5 1 3 2 4 4 3 4 4 4 3 4 9 10 10 CLOUDS OV OV OV OV OV OV B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 60 60 60 30 20 QPF 12HR 0.04 0.17 0.22 0.12 0.09 RAIN SHWRS L L L L L L C C C C S S S S S S S S TSTMS S S S S S S S S S S HEAT INDEX 100 99 96 92 87 94100 99 96 92 88 93 98 97 MAX HEAT 100 98 90 94 100 99 91 93 98 DATE MON 08/25/25 TUE 08/26/25 WED 08/27/25 THU 08/28/25 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 79 89 79 88 79 88 78 87 TEMP 82 79 85 88 84 80 84 87 83 79 84 87 83 79 83 86 DEWPT 79 79 78 79 79 79 78 77 79 79 79 78 77 77 77 77 PWIND DIR E E E E SE SE SE SE WIND CHAR GN GN GN 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 30 30 30 40 40 40 30 RAIN SHWRS S S C C 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 $$ MPZ001-220600- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 1136 AM CHST FRI AUG 22 2025 DATE FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 86 78 86 78 85 TEMP 86 86 84 82 80 78 79 83 85 85 84 82 80 78 79 82 85 85 DEWPT 77 77 77 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 75 75 80 88 94100 97 85 80 80 82 88 94100 97 88 80 80 WIND DIR E E E E E E E E E E E E E E E E E E WIND SPD 10 9 8 6 5 4 5 5 6 6 6 8 8 6 9 11 12 12 CLOUDS OV OV OV OV OV OV B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 POP 12HR 60 60 60 30 30 QPF 12HR 0.10 0.16 0.22 0.12 0.18 RAIN SHWRS L L L L L L C C C C S S S S C C C C TSTMS S S S S S S S S S S S S S S S S S S HEAT INDEX 98 97 94 91 86 92 97 96 94 90 85 92 97 96 MAX HEAT 98 96 89 92 97 96 89 92 97 DATE MON 08/25/25 TUE 08/26/25 WED 08/27/25 THU 08/28/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 79 87 79 86 79 85 78 85 TEMP 82 79 84 86 83 79 83 85 82 79 83 85 81 79 82 85 DEWPT 79 78 79 79 79 79 78 77 79 79 79 79 77 77 77 77 PWIND DIR E E E E SE SE SE SE WIND CHAR GN GN GN BZ GN GN GN GN AVG CLOUDS B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 30 20 30 30 40 40 40 30 RAIN SHWRS C S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S $$ MPZ002-220600- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 1136 AM CHST FRI AUG 22 2025 DATE FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 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 87 TEMP 88 87 85 83 80 79 79 84 88 87 85 83 80 79 79 83 86 86 DEWPT 77 77 78 78 78 78 78 78 77 78 78 78 78 78 78 78 78 78 RH 70 72 80 85 94 97 97 82 70 75 80 85 94 97 97 85 77 77 WIND DIR E E E E E E E E E E E E E E E E E E WIND SPD 9 8 6 8 6 4 3 6 6 5 6 8 8 6 8 11 12 11 CLOUDS OV OV OV OV OV OV B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 70 70 60 30 20 QPF 12HR 0.04 0.12 0.29 0.11 0.09 RAIN SHWRS L L L L L L C C C C 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 S S HEAT INDEX 100 99 96 92 87 94100 99 96 92 88 93 98 98 MAX HEAT 100 98 91 94 100 99 91 93 98 DATE MON 08/25/25 TUE 08/26/25 WED 08/27/25 THU 08/28/25 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 79 89 79 88 79 87 78 86 TEMP 82 79 85 88 83 80 84 87 83 79 84 86 82 79 83 86 DEWPT 79 79 79 79 80 79 79 77 79 79 79 79 78 78 77 77 PWIND DIR E E E SE SE SE SE SE WIND CHAR GN GN GN GN GN BZ GN GN AVG CLOUDS B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 30 30 40 40 30 30 RAIN SHWRS 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 $$ MPZ003-220600- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 1136 AM CHST FRI AUG 22 2025 DATE FRI 08/22/25 SAT 08/23/25 SUN 08/24/25 CHST3HRLY 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 UTC 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MAX/MIN 88 78 88 78 86 TEMP 88 87 85 83 80 79 79 84 88 87 85 83 80 79 79 83 86 86 DEWPT 77 77 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 RH 70 72 80 85 94 97 97 82 72 75 80 85 94 97 97 85 77 77 WIND DIR E E E E E E E E E E E E E E E E E E WIND SPD 9 8 6 8 5 5 3 6 5 3 6 8 6 6 8 11 12 11 CLOUDS OV OV OV OV OV OV B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 70 70 60 30 20 QPF 12HR 0.05 0.11 0.29 0.11 0.08 RAIN SHWRS L L L L L L C C C C S S S S S S S S TSTMS S S S S S S S S S S S S S S S S S S HEAT INDEX 101100 97 92 88 94101100 97 93 88 92 98 97 MAX HEAT 101 99 90 94 101 99 91 92 98 DATE MON 08/25/25 TUE 08/26/25 WED 08/27/25 THU 08/28/25 CHST6HRLY 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MIN/MAX 79 88 79 88 79 87 78 86 TEMP 82 79 85 88 83 80 84 87 83 79 84 86 82 79 83 86 DEWPT 79 79 79 79 80 79 79 77 79 79 79 79 78 78 77 77 PWIND DIR E E E SE SE SE SE SE WIND CHAR GN GN GN GN GN BZ GN GN AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 POP 12HR 20 20 30 30 40 40 30 30 RAIN SHWRS S S S S C C C C C C C C C C C C TSTMS S S S S S S S S S S S S S S $$