31 (日)	07:49	00:16	17:29	12:36
	117cm	8cm	113cm	90cm
中潮 出 06:49 入 16:34 出 20:29 入 09:46

那珂湊（茨城）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	7.7	↓-0.6
12/31 00:10	7.4	↓-0.3	干潮
12/31 00:20	7.4	0
12/31 00:30	7.7	↑0.3
12/31 00:40	8.3	↑0.6
12/31 00:50	9.1	↑0.8
12/31 01:00	10.2	↑1.1
12/31 01:10	11.6	↑1.4
12/31 01:20	13.3	↑1.7
12/31 01:30	15.2	↑1.9
12/31 01:40	17.3	↑2.1
12/31 01:50	19.6	↑2.3
12/31 02:00	22.2	↑2.6
12/31 02:10	24.9	↑2.7
12/31 02:20	27.8	↑2.9
12/31 02:30	30.9	↑3.1
12/31 02:40	34.1	↑3.2
12/31 02:50	37.5	↑3.4
12/31 03:00	41.0	↑3.5
12/31 03:10	44.6	↑3.6
12/31 03:20	48.3	↑3.7
12/31 03:30	52.0	↑3.7
12/31 03:40	55.8	↑3.8	最大潮位差
12/31 03:50	59.6	↑3.8	最大潮位差
12/31 04:00	63.4	↑3.8	最大潮位差
12/31 04:10	67.2	↑3.8	最大潮位差
12/31 04:20	71.0	↑3.8	最大潮位差
12/31 04:30	74.7	↑3.7
12/31 04:40	78.4	↑3.7
12/31 04:50	82.0	↑3.6
12/31 05:00	85.4	↑3.4
12/31 05:10	88.8	↑3.4
12/31 05:20	92.0	↑3.2
12/31 05:30	95.1	↑3.1
12/31 05:40	98.0	↑2.9
12/31 05:50	100.7	↑2.7
12/31 06:00	103.3	↑2.6
12/31 06:10	105.6	↑2.3
12/31 06:20	107.7	↑2.1
12/31 06:30	109.6	↑1.9
12/31 06:40	111.3	↑1.7
12/31 06:50	112.7	↑1.4
12/31 07:00	114.0	↑1.3
12/31 07:10	114.9	↑0.9
12/31 07:20	115.7	↑0.8
12/31 07:30	116.2	↑0.5
12/31 07:40	116.4	↑0.2	満潮
12/31 07:50	116.5	↑0.1
12/31 08:00	116.4	↓-0.1
12/31 08:10	116.0	↓-0.4
12/31 08:20	115.5	↓-0.5
12/31 08:30	114.8	↓-0.7
12/31 08:40	113.9	↓-0.9
12/31 08:50	112.9	↓-1.0
12/31 09:00	111.8	↓-1.1
12/31 09:10	110.5	↓-1.3
12/31 09:20	109.2	↓-1.3
12/31 09:30	107.8	↓-1.4
12/31 09:40	106.3	↓-1.5
12/31 09:50	104.9	↓-1.4
12/31 10:00	103.4	↓-1.5
12/31 10:10	101.9	↓-1.5
12/31 10:20	100.4	↓-1.5
12/31 10:30	99.0	↓-1.4
12/31 10:40	97.6	↓-1.4
12/31 10:50	96.3	↓-1.3
12/31 11:00	95.1	↓-1.2
12/31 11:10	94.0	↓-1.1
12/31 11:20	93.0	↓-1.0
12/31 11:30	92.1	↓-0.9
12/31 11:40	91.3	↓-0.8
12/31 11:50	90.6	↓-0.7
12/31 12:00	90.1	↓-0.5
12/31 12:10	89.7	↓-0.4
12/31 12:20	89.4	↓-0.3
12/31 12:30	89.3	↓-0.1	干潮
12/31 12:40	89.3	0
12/31 12:50	89.4	↑0.1
12/31 13:00	89.7	↑0.3
12/31 13:10	90.0	↑0.3
12/31 13:20	90.5	↑0.5
12/31 13:30	91.1	↑0.6
12/31 13:40	91.8	↑0.7
12/31 13:50	92.6	↑0.8
12/31 14:00	93.5	↑0.9
12/31 14:10	94.5	↑1.0
12/31 14:20	95.5	↑1.0
12/31 14:30	96.6	↑1.1
12/31 14:40	97.7	↑1.1
12/31 14:50	98.8	↑1.1
12/31 15:00	100.0	↑1.2
12/31 15:10	101.2	↑1.2
12/31 15:20	102.4	↑1.2
12/31 15:30	103.6	↑1.2
12/31 15:40	104.7	↑1.1
12/31 15:50	105.8	↑1.1
12/31 16:00	106.9	↑1.1
12/31 16:10	107.9	↑1.0
12/31 16:20	108.8	↑0.9
12/31 16:30	109.6	↑0.8
12/31 16:40	110.3	↑0.7
12/31 16:50	111.0	↑0.7
12/31 17:00	111.5	↑0.5
12/31 17:10	111.8	↑0.3
12/31 17:20	112.0	↑0.2	満潮
12/31 17:30	112.1	↑0.1
12/31 17:40	112.0	↓-0.1
12/31 17:50	111.7	↓-0.3
12/31 18:00	111.2	↓-0.5
12/31 18:10	110.5	↓-0.7
12/31 18:20	109.6	↓-0.9
12/31 18:30	108.6	↓-1.0
12/31 18:40	107.3	↓-1.3
12/31 18:50	105.8	↓-1.5
12/31 19:00	104.1	↓-1.7
12/31 19:10	102.2	↓-1.9
12/31 19:20	100.1	↓-2.1
12/31 19:30	97.8	↓-2.3
12/31 19:40	95.3	↓-2.5
12/31 19:50	92.6	↓-2.7
12/31 20:00	89.8	↓-2.8
12/31 20:10	86.8	↓-3.0
12/31 20:20	83.7	↓-3.1
12/31 20:30	80.4	↓-3.3
12/31 20:40	77.1	↓-3.3
12/31 20:50	73.6	↓-3.5
12/31 21:00	70.1	↓-3.5
12/31 21:10	66.5	↓-3.6
12/31 21:20	62.9	↓-3.6
12/31 21:30	59.3	↓-3.6
12/31 21:40	55.7	↓-3.6
12/31 21:50	52.1	↓-3.6
12/31 22:00	48.7	↓-3.4
12/31 22:10	45.3	↓-3.4
12/31 22:20	41.9	↓-3.4
12/31 22:30	38.8	↓-3.1
12/31 22:40	35.7	↓-3.1
12/31 22:50	32.9	↓-2.8
12/31 23:00	30.2	↓-2.7
12/31 23:10	27.7	↓-2.5
12/31 23:20	25.4	↓-2.3
12/31 23:30	23.3	↓-2.1
12/31 23:40	21.5	↓-1.8
12/31 23:50	19.9	↓-1.6