Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
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664 FOMY50 PGUM 060540 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 338 PM CHST WED AUG 6 2025 GUZ001-061800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 338 PM CHST WED AUG 6 2025 DATE WED 08/06/25 THU 08/07/25 FRI 08/08/25 SAT 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 87 77 88 77 TEMP 84 82 80 78 77 78 83 86 86 84 81 79 78 78 84 88 87 85 82 79 78 DEWPT 77 77 78 78 77 78 77 77 77 77 77 77 77 77 77 77 77 77 78 78 78 RH 80 85 94100100100 82 75 75 80 88 94 97 97 80 70 72 77 88 97100 WIND DIR S SE E SE SE S S S S E NE E E E E E E E E E E WIND SPD 6 3 3 2 2 4 5 3 2 1 1 1 1 3 4 6 6 6 5 4 3 CLOUDS SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 20 30 30 20 20 QPF 12HR 0.07 0.39 0.28 0.07 0.04 RAIN SHWRS S S S S S C C C C 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 HEAT INDEX 96 90 85 92 98 97 94 89 93100 99 96 91 84 MAX HEAT 97 96 92 98 96 88 93 100 98 89 DATE 08/09/25 SUN 08/10/25 MON 08/11/25 TUE 08/12/25 WED 08/13/25 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 88 77 88 77 88 77 88 TEMP 83 87 82 78 83 87 82 78 83 87 82 78 83 87 82 78 83 87 DEWPT 77 78 78 78 78 77 78 78 78 77 78 78 78 78 78 78 78 78 PWIND DIR E E E E SE SE SE E NE WIND CHAR LT LT LT LT LT LT LT LT LT AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 30 30 20 20 20 20 RAIN SHWRS S S S S S S C C C S S S S S S S S S TSTMS S S S S S S S S S S S S $$ MPZ001-061800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 338 PM CHST WED AUG 6 2025 DATE WED 08/06/25 THU 08/07/25 FRI 08/08/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 85 77 86 76 TEMP 83 81 79 78 77 78 82 85 84 83 80 78 77 77 82 85 85 83 81 78 77 DEWPT 77 77 78 78 77 77 77 77 77 77 77 77 77 77 77 77 77 78 78 78 77 RH 82 88 97100100 97 85 77 80 82 91 97100100 85 77 77 85 91100100 WIND DIR S SE E E SE SE S S S NW N E E E E E E E E E E WIND SPD 6 3 3 3 2 3 4 5 3 4 2 3 3 4 5 5 5 6 6 5 5 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 40 40 30 30 20 QPF 12HR 0.74 0.23 0.21 0.05 0.03 RAIN SHWRS C C C C C C C C C C C C C S S S S S S S S TSTMS S S S S S S S S S S S S S HEAT INDEX 94 88 90 95 94 91 87 90 96 96 92 88 MAX HEAT 95 93 90 95 93 85 90 96 95 85 DATE 08/09/25 SUN 08/10/25 MON 08/11/25 TUE 08/12/25 WED 08/13/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 86 76 86 76 86 76 86 76 86 TEMP 82 85 81 77 82 85 81 77 82 85 81 77 82 85 81 77 82 85 DEWPT 78 78 78 77 78 78 78 77 78 78 78 77 78 78 78 77 78 78 PWIND DIR E E E E SE SE E E NE WIND CHAR LT LT LT LT LT LT LT LT LT AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC POP 12HR 20 20 20 30 30 20 20 20 20 RAIN SHWRS S S S S S S C C C S S S S S S S S S TSTMS S S S S S S S S S S S S S S $$ MPZ002-061800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 338 PM CHST WED AUG 6 2025 DATE WED 08/06/25 THU 08/07/25 FRI 08/08/25 SAT 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 79 86 79 86 79 TEMP 84 82 81 80 79 79 83 86 85 84 82 80 79 79 83 86 86 84 82 81 79 DEWPT 77 77 77 78 78 77 77 77 77 77 77 77 77 77 77 77 77 77 78 78 78 RH 80 85 88 94 97 94 82 75 77 80 85 91 94 94 82 75 75 80 88 91 97 WIND DIR SE NE E E SE E S S W NW NW N NE E SE SE SE E E E E WIND SPD 4 5 4 2 2 1 2 4 3 4 4 3 2 3 5 5 5 5 5 5 5 CLOUDS B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 40 40 30 30 20 QPF 12HR 0.24 0.14 0.12 0.03 0.04 RAIN SHWRS C C C C C C C C C 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 HEAT INDEX 96 91 88 85 84 92 97 96 93 90 87 84 93 97 97 95 92 88 84 MAX HEAT 96 95 88 92 97 95 89 93 97 96 90 DATE 08/09/25 SUN 08/10/25 MON 08/11/25 TUE 08/12/25 WED 08/13/25 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 79 87 79 87 79 87 79 87 TEMP 84 86 83 79 84 86 83 79 84 86 83 79 84 86 83 79 84 86 DEWPT 78 78 79 78 78 78 78 78 78 78 78 77 77 78 78 78 78 78 PWIND DIR E E E E SE SE E E NE WIND CHAR LT LT LT LT LT LT LT LT LT AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC POP 12HR 20 20 20 30 30 20 20 20 20 RAIN SHWRS S S S S S S C C C S S S S S S S S S TSTMS S S S S S S S S S S S S S S $$ MPZ003-061800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 338 PM CHST WED AUG 6 2025 DATE WED 08/06/25 THU 08/07/25 FRI 08/08/25 SAT CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 78 87 78 87 79 TEMP 84 82 81 79 79 79 83 86 86 84 82 80 79 79 83 87 86 85 82 80 79 DEWPT 77 77 77 78 77 77 77 77 77 77 77 77 77 77 77 77 77 78 78 78 78 RH 80 85 88 97 94 94 82 75 75 80 85 91 94 94 82 72 75 80 88 94 97 WIND DIR SE NE E E E E SE S N NW NW N NE E SE SE SE E E E E WIND SPD 4 4 3 2 1 1 2 2 3 5 4 2 1 2 4 5 5 5 5 5 5 CLOUDS B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC POP 12HR 40 40 30 30 20 QPF 12HR 0.22 0.80 0.23 0.02 0.04 RAIN SHWRS C C C C C C C C C C C C C S S S S S S S S TSTMS S S S S S S S S S S S S S HEAT INDEX 96 91 88 84 92 98 97 94 90 86 93 98 98 95 91 88 MAX HEAT 97 96 87 92 98 96 89 93 98 97 90 DATE 08/09/25 SUN 08/10/25 MON 08/11/25 TUE 08/12/25 WED 08/13/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 79 87 79 87 79 87 79 87 TEMP 84 86 82 79 84 86 82 79 84 86 82 79 84 86 82 79 84 86 DEWPT 78 78 79 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 PWIND DIR E E E E SE SE E E NE WIND CHAR LT LT LT LT LT LT LT LT LT AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC B1 B1 SC SC SC SC POP 12HR 20 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S TSTMS S S S S S S S S S S S S S S $$