14 (土)	07:27	00:02	17:25	12:19
	119cm	12cm	116cm	87cm
中潮 出 06:41 入 16:25 出 20:21 入 09:19

那珂湊（茨城）2030年12月14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
12/14 00:00	11.8	↓-0.2	干潮
12/14 00:10	11.9	↑0.1
12/14 00:20	12.3	↑0.4
12/14 00:30	13.0	↑0.7
12/14 00:40	14.0	↑1.0
12/14 00:50	15.3	↑1.3
12/14 01:00	16.8	↑1.5
12/14 01:10	18.6	↑1.8
12/14 01:20	20.6	↑2.0
12/14 01:30	22.9	↑2.3
12/14 01:40	25.4	↑2.5
12/14 01:50	28.0	↑2.6
12/14 02:00	30.9	↑2.9
12/14 02:10	33.9	↑3.0
12/14 02:20	37.1	↑3.2
12/14 02:30	40.4	↑3.3
12/14 02:40	43.9	↑3.5
12/14 02:50	47.4	↑3.5
12/14 03:00	51.0	↑3.6
12/14 03:10	54.7	↑3.7
12/14 03:20	58.4	↑3.7
12/14 03:30	62.2	↑3.8	最大潮位差
12/14 03:40	66.0	↑3.8	最大潮位差
12/14 03:50	69.7	↑3.7
12/14 04:00	73.5	↑3.8	最大潮位差
12/14 04:10	77.2	↑3.7
12/14 04:20	80.8	↑3.6
12/14 04:30	84.3	↑3.5
12/14 04:40	87.8	↑3.5
12/14 04:50	91.1	↑3.3
12/14 05:00	94.3	↑3.2
12/14 05:10	97.4	↑3.1
12/14 05:20	100.3	↑2.9
12/14 05:30	103.0	↑2.7
12/14 05:40	105.5	↑2.5
12/14 05:50	107.9	↑2.4
12/14 06:00	110.0	↑2.1
12/14 06:10	111.9	↑1.9
12/14 06:20	113.6	↑1.7
12/14 06:30	115.0	↑1.4
12/14 06:40	116.2	↑1.2
12/14 06:50	117.2	↑1.0
12/14 07:00	117.9	↑0.7
12/14 07:10	118.4	↑0.5
12/14 07:20	118.7	↑0.3	満潮
12/14 07:30	118.7	0
12/14 07:40	118.5	↓-0.2
12/14 07:50	118.1	↓-0.4
12/14 08:00	117.5	↓-0.6
12/14 08:10	116.6	↓-0.9
12/14 08:20	115.7	↓-0.9
12/14 08:30	114.5	↓-1.2
12/14 08:40	113.2	↓-1.3
12/14 08:50	111.8	↓-1.4
12/14 09:00	110.3	↓-1.5
12/14 09:10	108.7	↓-1.6
12/14 09:20	107.1	↓-1.6
12/14 09:30	105.4	↓-1.7
12/14 09:40	103.6	↓-1.8
12/14 09:50	101.9	↓-1.7
12/14 10:00	100.2	↓-1.7
12/14 10:10	98.5	↓-1.7
12/14 10:20	96.9	↓-1.6
12/14 10:30	95.3	↓-1.6
12/14 10:40	93.9	↓-1.4
12/14 10:50	92.5	↓-1.4
12/14 11:00	91.3	↓-1.2
12/14 11:10	90.2	↓-1.1
12/14 11:20	89.2	↓-1.0
12/14 11:30	88.4	↓-0.8
12/14 11:40	87.7	↓-0.7
12/14 11:50	87.1	↓-0.6
12/14 12:00	86.8	↓-0.3
12/14 12:10	86.6	↓-0.2	干潮
12/14 12:20	86.5	↓-0.1
12/14 12:30	86.6	↑0.1
12/14 12:40	86.9	↑0.3
12/14 12:50	87.3	↑0.4
12/14 13:00	87.9	↑0.6
12/14 13:10	88.5	↑0.6
12/14 13:20	89.4	↑0.9
12/14 13:30	90.3	↑0.9
12/14 13:40	91.3	↑1.0
12/14 13:50	92.4	↑1.1
12/14 14:00	93.6	↑1.2
12/14 14:10	94.9	↑1.3
12/14 14:20	96.3	↑1.4
12/14 14:30	97.6	↑1.3
12/14 14:40	99.0	↑1.4
12/14 14:50	100.5	↑1.5
12/14 15:00	101.9	↑1.4
12/14 15:10	103.3	↑1.4
12/14 15:20	104.7	↑1.4
12/14 15:30	106.1	↑1.4
12/14 15:40	107.4	↑1.3
12/14 15:50	108.7	↑1.3
12/14 16:00	109.9	↑1.2
12/14 16:10	111.0	↑1.1
12/14 16:20	112.0	↑1.0
12/14 16:30	112.9	↑0.9
12/14 16:40	113.6	↑0.7
12/14 16:50	114.3	↑0.7
12/14 17:00	114.7	↑0.4
12/14 17:10	115.1	↑0.4
12/14 17:20	115.2	↑0.1	満潮
12/14 17:30	115.2	0
12/14 17:40	115.0	↓-0.2
12/14 17:50	114.6	↓-0.4
12/14 18:00	114.0	↓-0.6
12/14 18:10	113.2	↓-0.8
12/14 18:20	112.1	↓-1.1
12/14 18:30	110.9	↓-1.2
12/14 18:40	109.5	↓-1.4
12/14 18:50	107.8	↓-1.7
12/14 19:00	105.9	↓-1.9
12/14 19:10	103.8	↓-2.1
12/14 19:20	101.5	↓-2.3
12/14 19:30	99.0	↓-2.5
12/14 19:40	96.3	↓-2.7
12/14 19:50	93.5	↓-2.8
12/14 20:00	90.5	↓-3.0
12/14 20:10	87.3	↓-3.2
12/14 20:20	84.0	↓-3.3
12/14 20:30	80.5	↓-3.5
12/14 20:40	77.0	↓-3.5
12/14 20:50	73.4	↓-3.6
12/14 21:00	69.7	↓-3.7
12/14 21:10	66.0	↓-3.7
12/14 21:20	62.3	↓-3.7
12/14 21:30	58.6	↓-3.7
12/14 21:40	55.0	↓-3.6
12/14 21:50	51.4	↓-3.6
12/14 22:00	47.9	↓-3.5
12/14 22:10	44.4	↓-3.5
12/14 22:20	41.2	↓-3.2
12/14 22:30	38.0	↓-3.2
12/14 22:40	35.1	↓-2.9
12/14 22:50	32.3	↓-2.8
12/14 23:00	29.7	↓-2.6
12/14 23:10	27.4	↓-2.3
12/14 23:20	25.3	↓-2.1
12/14 23:30	23.4	↓-1.9
12/14 23:40	21.8	↓-1.6
12/14 23:50	20.4	↓-1.4