31 (日)	06:42	11:15	16:40	-
	128cm	100cm	145cm	-
中潮 出 06:50 入 15:53 出 19:54 入 09:41

根室（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	10.0	↑1.1
12/31 00:10	11.3	↑1.3
12/31 00:20	13.0	↑1.7
12/31 00:30	15.0	↑2.0
12/31 00:40	17.3	↑2.3
12/31 00:50	19.9	↑2.6
12/31 01:00	22.8	↑2.9
12/31 01:10	25.9	↑3.1
12/31 01:20	29.3	↑3.4
12/31 01:30	32.9	↑3.6
12/31 01:40	36.6	↑3.7
12/31 01:50	40.5	↑3.9
12/31 02:00	44.6	↑4.1
12/31 02:10	48.8	↑4.2
12/31 02:20	53.1	↑4.3
12/31 02:30	57.5	↑4.4
12/31 02:40	61.8	↑4.3
12/31 02:50	66.3	↑4.5
12/31 03:00	70.7	↑4.4
12/31 03:10	75.0	↑4.3
12/31 03:20	79.4	↑4.4
12/31 03:30	83.6	↑4.2
12/31 03:40	87.7	↑4.1
12/31 03:50	91.7	↑4.0
12/31 04:00	95.6	↑3.9
12/31 04:10	99.3	↑3.7
12/31 04:20	102.8	↑3.5
12/31 04:30	106.2	↑3.4
12/31 04:40	109.3	↑3.1
12/31 04:50	112.2	↑2.9
12/31 05:00	114.8	↑2.6
12/31 05:10	117.3	↑2.5
12/31 05:20	119.4	↑2.1
12/31 05:30	121.3	↑1.9
12/31 05:40	123.0	↑1.7
12/31 05:50	124.4	↑1.4
12/31 06:00	125.5	↑1.1
12/31 06:10	126.4	↑0.9
12/31 06:20	127.0	↑0.6
12/31 06:30	127.4	↑0.4
12/31 06:40	127.6	↑0.2	満潮
12/31 06:50	127.5	↓-0.1
12/31 07:00	127.2	↓-0.3
12/31 07:10	126.7	↓-0.5
12/31 07:20	126.0	↓-0.7
12/31 07:30	125.1	↓-0.9
12/31 07:40	124.1	↓-1.0
12/31 07:50	122.9	↓-1.2
12/31 08:00	121.7	↓-1.2
12/31 08:10	120.3	↓-1.4
12/31 08:20	118.8	↓-1.5
12/31 08:30	117.2	↓-1.6
12/31 08:40	115.7	↓-1.5
12/31 08:50	114.0	↓-1.7
12/31 09:00	112.4	↓-1.6
12/31 09:10	110.8	↓-1.6
12/31 09:20	109.3	↓-1.5
12/31 09:30	107.8	↓-1.5
12/31 09:40	106.3	↓-1.5
12/31 09:50	105.0	↓-1.3
12/31 10:00	103.7	↓-1.3
12/31 10:10	102.6	↓-1.1
12/31 10:20	101.6	↓-1.0
12/31 10:30	100.8	↓-0.8
12/31 10:40	100.1	↓-0.7
12/31 10:50	99.6	↓-0.5
12/31 11:00	99.3	↓-0.3
12/31 11:10	99.1	↓-0.2	干潮
12/31 11:20	99.1	0
12/31 11:30	99.3	↑0.2
12/31 11:40	99.7	↑0.4
12/31 11:50	100.3	↑0.6
12/31 12:00	101.1	↑0.8
12/31 12:10	102.0	↑0.9
12/31 12:20	103.2	↑1.2
12/31 12:30	104.5	↑1.3
12/31 12:40	105.9	↑1.4
12/31 12:50	107.5	↑1.6
12/31 13:00	109.2	↑1.7
12/31 13:10	111.1	↑1.9
12/31 13:20	113.0	↑1.9
12/31 13:30	115.1	↑2.1
12/31 13:40	117.2	↑2.1
12/31 13:50	119.4	↑2.2
12/31 14:00	121.6	↑2.2
12/31 14:10	123.8	↑2.2
12/31 14:20	126.0	↑2.2
12/31 14:30	128.2	↑2.2
12/31 14:40	130.3	↑2.1
12/31 14:50	132.3	↑2.0
12/31 15:00	134.3	↑2.0
12/31 15:10	136.2	↑1.9
12/31 15:20	137.9	↑1.7
12/31 15:30	139.5	↑1.6
12/31 15:40	140.9	↑1.4
12/31 15:50	142.1	↑1.2
12/31 16:00	143.2	↑1.1
12/31 16:10	144.0	↑0.8
12/31 16:20	144.6	↑0.6
12/31 16:30	144.9	↑0.3	満潮
12/31 16:40	145.0	↑0.1	満潮
12/31 16:50	144.8	↓-0.2
12/31 17:00	144.4	↓-0.4
12/31 17:10	143.7	↓-0.7
12/31 17:20	142.7	↓-1.0
12/31 17:30	141.4	↓-1.3
12/31 17:40	139.8	↓-1.6
12/31 17:50	138.0	↓-1.8
12/31 18:00	135.9	↓-2.1
12/31 18:10	133.5	↓-2.4
12/31 18:20	130.9	↓-2.6
12/31 18:30	128.0	↓-2.9
12/31 18:40	124.8	↓-3.2
12/31 18:50	121.5	↓-3.3
12/31 19:00	117.9	↓-3.6
12/31 19:10	114.1	↓-3.8
12/31 19:20	110.2	↓-3.9
12/31 19:30	106.0	↓-4.2
12/31 19:40	101.8	↓-4.2
12/31 19:50	97.4	↓-4.4
12/31 20:00	92.9	↓-4.5
12/31 20:10	88.4	↓-4.5
12/31 20:20	83.8	↓-4.6
12/31 20:30	79.2	↓-4.6
12/31 20:40	74.5	↓-4.7	最大潮位差
12/31 20:50	69.9	↓-4.6
12/31 21:00	65.4	↓-4.5
12/31 21:10	60.9	↓-4.5
12/31 21:20	56.5	↓-4.4
12/31 21:30	52.3	↓-4.2
12/31 21:40	48.2	↓-4.1
12/31 21:50	44.2	↓-4.0
12/31 22:00	40.5	↓-3.7
12/31 22:10	36.9	↓-3.6
12/31 22:20	33.6	↓-3.3
12/31 22:30	30.6	↓-3.0
12/31 22:40	27.8	↓-2.8
12/31 22:50	25.3	↓-2.5
12/31 23:00	23.1	↓-2.2
12/31 23:10	21.1	↓-2.0
12/31 23:20	19.5	↓-1.6
12/31 23:30	18.3	↓-1.2
12/31 23:40	17.3	↓-1.0
12/31 23:50	16.7	↓-0.6