31 (水)	02:15	04:54	10:57	19:13
	104cm	101cm	134cm	15cm
中潮 出 07:03 入 16:12 出 12:46 入 03:18

苫小牧（北海道）2025年12月31日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
12/31 00:00	95.3	↑1.5
12/31 00:10	96.6	↑1.3
12/31 00:20	97.8	↑1.2
12/31 00:30	98.8	↑1.0
12/31 00:40	99.8	↑1.0
12/31 00:50	100.6	↑0.8
12/31 01:00	101.3	↑0.7
12/31 01:10	101.9	↑0.6
12/31 01:20	102.4	↑0.5
12/31 01:30	102.8	↑0.4
12/31 01:40	103.1	↑0.3
12/31 01:50	103.3	↑0.2
12/31 02:00	103.4	↑0.1
12/31 02:10	103.5	↑0.1	満潮
12/31 02:20	103.5	0
12/31 02:30	103.4	↓-0.1
12/31 02:40	103.3	↓-0.1
12/31 02:50	103.1	↓-0.2
12/31 03:00	102.9	↓-0.2
12/31 03:10	102.6	↓-0.3
12/31 03:20	102.3	↓-0.3
12/31 03:30	102.0	↓-0.3
12/31 03:40	101.6	↓-0.4
12/31 03:50	101.3	↓-0.3
12/31 04:00	101.0	↓-0.3
12/31 04:10	100.7	↓-0.3
12/31 04:20	100.4	↓-0.3
12/31 04:30	100.2	↓-0.2
12/31 04:40	100.1	↓-0.1
12/31 04:50	100.0	↓-0.1	干潮
12/31 05:00	100.0	0
12/31 05:10	100.2	↑0.2
12/31 05:20	100.4	↑0.2
12/31 05:30	100.7	↑0.3
12/31 05:40	101.2	↑0.5
12/31 05:50	101.7	↑0.5
12/31 06:00	102.4	↑0.7
12/31 06:10	103.2	↑0.8
12/31 06:20	104.0	↑0.8
12/31 06:30	105.0	↑1.0
12/31 06:40	106.1	↑1.1
12/31 06:50	107.2	↑1.1
12/31 07:00	108.4	↑1.2
12/31 07:10	109.7	↑1.3
12/31 07:20	111.0	↑1.3
12/31 07:30	112.4	↑1.4
12/31 07:40	113.8	↑1.4
12/31 07:50	115.2	↑1.4
12/31 08:00	116.6	↑1.4
12/31 08:10	118.0	↑1.4
12/31 08:20	119.4	↑1.4
12/31 08:30	120.8	↑1.4
12/31 08:40	122.1	↑1.3
12/31 08:50	123.5	↑1.4
12/31 09:00	124.7	↑1.2
12/31 09:10	126.0	↑1.3
12/31 09:20	127.2	↑1.2
12/31 09:30	128.3	↑1.1
12/31 09:40	129.3	↑1.0
12/31 09:50	130.3	↑1.0
12/31 10:00	131.2	↑0.9
12/31 10:10	131.9	↑0.7
12/31 10:20	132.6	↑0.7
12/31 10:30	133.1	↑0.5
12/31 10:40	133.4	↑0.3
12/31 10:50	133.6	↑0.2	満潮
12/31 11:00	133.6	0
12/31 11:10	133.5	↓-0.1
12/31 11:20	133.1	↓-0.4
12/31 11:30	132.6	↓-0.5
12/31 11:40	131.8	↓-0.8
12/31 11:50	130.9	↓-0.9
12/31 12:00	129.7	↓-1.2
12/31 12:10	128.4	↓-1.3
12/31 12:20	126.8	↓-1.6
12/31 12:30	125.1	↓-1.7
12/31 12:40	123.1	↓-2.0
12/31 12:50	121.0	↓-2.1
12/31 13:00	118.7	↓-2.3
12/31 13:10	116.3	↓-2.4
12/31 13:20	113.7	↓-2.6
12/31 13:30	111.0	↓-2.7
12/31 13:40	108.1	↓-2.9
12/31 13:50	105.2	↓-2.9
12/31 14:00	102.1	↓-3.1
12/31 14:10	98.9	↓-3.2
12/31 14:20	95.6	↓-3.3
12/31 14:30	92.2	↓-3.4
12/31 14:40	88.7	↓-3.5
12/31 14:50	85.2	↓-3.5
12/31 15:00	81.6	↓-3.6
12/31 15:10	77.9	↓-3.7
12/31 15:20	74.2	↓-3.7
12/31 15:30	70.4	↓-3.8	最大潮位差
12/31 15:40	66.6	↓-3.8	最大潮位差
12/31 15:50	62.8	↓-3.8	最大潮位差
12/31 16:00	59.0	↓-3.8	最大潮位差
12/31 16:10	55.2	↓-3.8	最大潮位差
12/31 16:20	51.5	↓-3.7
12/31 16:30	47.8	↓-3.7
12/31 16:40	44.2	↓-3.6
12/31 16:50	40.8	↓-3.4
12/31 17:00	37.4	↓-3.4
12/31 17:10	34.3	↓-3.1
12/31 17:20	31.3	↓-3.0
12/31 17:30	28.5	↓-2.8
12/31 17:40	26.0	↓-2.5
12/31 17:50	23.6	↓-2.4
12/31 18:00	21.6	↓-2.0
12/31 18:10	19.7	↓-1.9
12/31 18:20	18.2	↓-1.5
12/31 18:30	16.9	↓-1.3
12/31 18:40	15.9	↓-1.0
12/31 18:50	15.2	↓-0.7
12/31 19:00	14.8	↓-0.4
12/31 19:10	14.6	↓-0.2	干潮
12/31 19:20	14.7	↑0.1
12/31 19:30	15.0	↑0.3
12/31 19:40	15.6	↑0.6
12/31 19:50	16.4	↑0.8
12/31 20:00	17.5	↑1.1
12/31 20:10	18.8	↑1.3
12/31 20:20	20.3	↑1.5
12/31 20:30	22.0	↑1.7
12/31 20:40	23.9	↑1.9
12/31 20:50	26.0	↑2.1
12/31 21:00	28.4	↑2.4
12/31 21:10	30.9	↑2.5
12/31 21:20	33.5	↑2.6
12/31 21:30	36.4	↑2.9
12/31 21:40	39.4	↑3.0
12/31 21:50	42.5	↑3.1
12/31 22:00	45.8	↑3.3
12/31 22:10	49.2	↑3.4
12/31 22:20	52.6	↑3.4
12/31 22:30	56.1	↑3.5
12/31 22:40	59.7	↑3.6
12/31 22:50	63.3	↑3.6
12/31 23:00	66.8	↑3.5
12/31 23:10	70.3	↑3.5
12/31 23:20	73.8	↑3.5
12/31 23:30	77.2	↑3.4
12/31 23:40	80.4	↑3.2
12/31 23:50	83.6	↑3.2