31 (日)	06:54	11:26	16:56	-
	122cm	90cm	135cm	-
中潮 出 07:03 入 16:11 出 20:13 入 09:55

苫小牧（北海道）2023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	11.7	↑0.6
12/31 00:10	12.5	↑0.8
12/31 00:20	13.7	↑1.2
12/31 00:30	15.0	↑1.3
12/31 00:40	16.7	↑1.7
12/31 00:50	18.5	↑1.8
12/31 01:00	20.7	↑2.2
12/31 01:10	23.0	↑2.3
12/31 01:20	25.7	↑2.7
12/31 01:30	28.5	↑2.8
12/31 01:40	31.7	↑3.2
12/31 01:50	35.1	↑3.4
12/31 02:00	38.7	↑3.6
12/31 02:10	42.5	↑3.8
12/31 02:20	46.6	↑4.1
12/31 02:30	50.8	↑4.2
12/31 02:40	55.2	↑4.4
12/31 02:50	59.7	↑4.5
12/31 03:00	64.3	↑4.6
12/31 03:10	69.0	↑4.7	最大潮位差
12/31 03:20	73.6	↑4.6
12/31 03:30	78.1	↑4.5
12/31 03:40	82.6	↑4.5
12/31 03:50	86.9	↑4.3
12/31 04:00	91.0	↑4.1
12/31 04:10	94.9	↑3.9
12/31 04:20	98.5	↑3.6
12/31 04:30	101.9	↑3.4
12/31 04:40	105.0	↑3.1
12/31 04:50	107.8	↑2.8
12/31 05:00	110.3	↑2.5
12/31 05:10	112.5	↑2.2
12/31 05:20	114.4	↑1.9
12/31 05:30	116.1	↑1.7
12/31 05:40	117.5	↑1.4
12/31 05:50	118.7	↑1.2
12/31 06:00	119.7	↑1.0
12/31 06:10	120.5	↑0.8
12/31 06:20	121.1	↑0.6
12/31 06:30	121.5	↑0.4
12/31 06:40	121.8	↑0.3
12/31 06:50	121.9	↑0.1	満潮
12/31 07:00	121.8	↓-0.1
12/31 07:10	121.6	↓-0.2
12/31 07:20	121.3	↓-0.3
12/31 07:30	120.8	↓-0.5
12/31 07:40	120.1	↓-0.7
12/31 07:50	119.2	↓-0.9
12/31 08:00	118.2	↓-1.0
12/31 08:10	116.9	↓-1.3
12/31 08:20	115.5	↓-1.4
12/31 08:30	114.0	↓-1.5
12/31 08:40	112.3	↓-1.7
12/31 08:50	110.5	↓-1.8
12/31 09:00	108.6	↓-1.9
12/31 09:10	106.6	↓-2.0
12/31 09:20	104.6	↓-2.0
12/31 09:30	102.5	↓-2.1
12/31 09:40	100.6	↓-1.9
12/31 09:50	98.6	↓-2.0
12/31 10:00	96.8	↓-1.8
12/31 10:10	95.2	↓-1.6
12/31 10:20	93.7	↓-1.5
12/31 10:30	92.4	↓-1.3
12/31 10:40	91.3	↓-1.1
12/31 10:50	90.4	↓-0.9
12/31 11:00	89.8	↓-0.6
12/31 11:10	89.4	↓-0.4
12/31 11:20	89.2	↓-0.2	干潮
12/31 11:30	89.2	0
12/31 11:40	89.3	↑0.1
12/31 11:50	89.7	↑0.4
12/31 12:00	90.2	↑0.5
12/31 12:10	90.9	↑0.7
12/31 12:20	91.7	↑0.8
12/31 12:30	92.6	↑0.9
12/31 12:40	93.6	↑1.0
12/31 12:50	94.7	↑1.1
12/31 13:00	95.9	↑1.2
12/31 13:10	97.2	↑1.3
12/31 13:20	98.6	↑1.4
12/31 13:30	100.1	↑1.5
12/31 13:40	101.7	↑1.6
12/31 13:50	103.4	↑1.7
12/31 14:00	105.2	↑1.8
12/31 14:10	107.1	↑1.9
12/31 14:20	109.1	↑2.0
12/31 14:30	111.2	↑2.1
12/31 14:40	113.3	↑2.1
12/31 14:50	115.6	↑2.3
12/31 15:00	117.8	↑2.2
12/31 15:10	120.1	↑2.3
12/31 15:20	122.3	↑2.2
12/31 15:30	124.5	↑2.2
12/31 15:40	126.5	↑2.0
12/31 15:50	128.4	↑1.9
12/31 16:00	130.2	↑1.8
12/31 16:10	131.6	↑1.4
12/31 16:20	132.9	↑1.3
12/31 16:30	133.8	↑0.9
12/31 16:40	134.5	↑0.7
12/31 16:50	134.8	↑0.3	満潮
12/31 17:00	134.8	0
12/31 17:10	134.4	↓-0.4
12/31 17:20	133.8	↓-0.6
12/31 17:30	132.8	↓-1.0
12/31 17:40	131.5	↓-1.3
12/31 17:50	129.9	↓-1.6
12/31 18:00	128.1	↓-1.8
12/31 18:10	126.0	↓-2.1
12/31 18:20	123.7	↓-2.3
12/31 18:30	121.2	↓-2.5
12/31 18:40	118.6	↓-2.6
12/31 18:50	115.8	↓-2.8
12/31 19:00	112.9	↓-2.9
12/31 19:10	109.8	↓-3.1
12/31 19:20	106.6	↓-3.2
12/31 19:30	103.3	↓-3.3
12/31 19:40	99.9	↓-3.4
12/31 19:50	96.4	↓-3.5
12/31 20:00	92.8	↓-3.6
12/31 20:10	89.0	↓-3.8
12/31 20:20	85.2	↓-3.8
12/31 20:30	81.2	↓-4.0
12/31 20:40	77.2	↓-4.0
12/31 20:50	73.1	↓-4.1
12/31 21:00	68.9	↓-4.2
12/31 21:10	64.7	↓-4.2
12/31 21:20	60.4	↓-4.3
12/31 21:30	56.2	↓-4.2
12/31 21:40	52.1	↓-4.1
12/31 21:50	48.1	↓-4.0
12/31 22:00	44.2	↓-3.9
12/31 22:10	40.4	↓-3.8
12/31 22:20	36.9	↓-3.5
12/31 22:30	33.7	↓-3.2
12/31 22:40	30.7	↓-3.0
12/31 22:50	28.0	↓-2.7
12/31 23:00	25.7	↓-2.3
12/31 23:10	23.6	↓-2.1
12/31 23:20	22.0	↓-1.6
12/31 23:30	20.6	↓-1.4
12/31 23:40	19.6	↓-1.0
12/31 23:50	19.0	↓-0.6