13 (日)	05:57	11:49	17:47	-
	126cm	35cm	129cm	-
中潮 出 06:29 入 17:17 出 20:35 入 07:40

日立（茨城）2028年02月13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
2/13 00:00	5.1	↑0.9
2/13 00:10	6.4	↑1.3
2/13 00:20	8.2	↑1.8
2/13 00:30	10.3	↑2.1
2/13 00:40	12.8	↑2.5
2/13 00:50	15.7	↑2.9
2/13 01:00	19.0	↑3.3
2/13 01:10	22.5	↑3.5
2/13 01:20	26.4	↑3.9
2/13 01:30	30.5	↑4.1
2/13 01:40	34.9	↑4.4
2/13 01:50	39.5	↑4.6
2/13 02:00	44.3	↑4.8
2/13 02:10	49.2	↑4.9
2/13 02:20	54.2	↑5.0
2/13 02:30	59.2	↑5.0
2/13 02:40	64.3	↑5.1	最大潮位差
2/13 02:50	69.4	↑5.1	最大潮位差
2/13 03:00	74.4	↑5.0
2/13 03:10	79.3	↑4.9
2/13 03:20	84.1	↑4.8
2/13 03:30	88.7	↑4.6
2/13 03:40	93.2	↑4.5
2/13 03:50	97.5	↑4.3
2/13 04:00	101.5	↑4.0
2/13 04:10	105.3	↑3.8
2/13 04:20	108.8	↑3.5
2/13 04:30	112.0	↑3.2
2/13 04:40	114.9	↑2.9
2/13 04:50	117.5	↑2.6
2/13 05:00	119.8	↑2.3
2/13 05:10	121.7	↑1.9
2/13 05:20	123.2	↑1.5
2/13 05:30	124.4	↑1.2
2/13 05:40	125.2	↑0.8
2/13 05:50	125.6	↑0.4	満潮
2/13 06:00	125.7	↑0.1
2/13 06:10	125.4	↓-0.3
2/13 06:20	124.6	↓-0.8
2/13 06:30	123.6	↓-1.0
2/13 06:40	122.1	↓-1.5
2/13 06:50	120.3	↓-1.8
2/13 07:00	118.2	↓-2.1
2/13 07:10	115.7	↓-2.5
2/13 07:20	113.0	↓-2.7
2/13 07:30	109.9	↓-3.1
2/13 07:40	106.7	↓-3.2
2/13 07:50	103.2	↓-3.5
2/13 08:00	99.5	↓-3.7
2/13 08:10	95.7	↓-3.8
2/13 08:20	91.8	↓-3.9
2/13 08:30	87.7	↓-4.1
2/13 08:40	83.7	↓-4.0
2/13 08:50	79.6	↓-4.1
2/13 09:00	75.6	↓-4.0
2/13 09:10	71.6	↓-4.0
2/13 09:20	67.6	↓-4.0
2/13 09:30	63.8	↓-3.8
2/13 09:40	60.2	↓-3.6
2/13 09:50	56.7	↓-3.5
2/13 10:00	53.4	↓-3.3
2/13 10:10	50.3	↓-3.1
2/13 10:20	47.5	↓-2.8
2/13 10:30	44.9	↓-2.6
2/13 10:40	42.6	↓-2.3
2/13 10:50	40.5	↓-2.1
2/13 11:00	38.8	↓-1.7
2/13 11:10	37.4	↓-1.4
2/13 11:20	36.2	↓-1.2
2/13 11:30	35.5	↓-0.7
2/13 11:40	35.0	↓-0.5	干潮
2/13 11:50	34.9	↓-0.1
2/13 12:00	35.1	↑0.2
2/13 12:10	35.7	↑0.6
2/13 12:20	36.7	↑1.0
2/13 12:30	37.9	↑1.2
2/13 12:40	39.6	↑1.7
2/13 12:50	41.5	↑1.9
2/13 13:00	43.8	↑2.3
2/13 13:10	46.3	↑2.5
2/13 13:20	49.2	↑2.9
2/13 13:30	52.3	↑3.1
2/13 13:40	55.7	↑3.4
2/13 13:50	59.2	↑3.5
2/13 14:00	63.0	↑3.8
2/13 14:10	66.8	↑3.8
2/13 14:20	70.8	↑4.0
2/13 14:30	74.9	↑4.1
2/13 14:40	79.1	↑4.2
2/13 14:50	83.2	↑4.1
2/13 15:00	87.3	↑4.1
2/13 15:10	91.4	↑4.1
2/13 15:20	95.4	↑4.0
2/13 15:30	99.3	↑3.9
2/13 15:40	103.0	↑3.7
2/13 15:50	106.5	↑3.5
2/13 16:00	109.9	↑3.4
2/13 16:10	113.0	↑3.1
2/13 16:20	115.8	↑2.8
2/13 16:30	118.4	↑2.6
2/13 16:40	120.8	↑2.4
2/13 16:50	122.8	↑2.0
2/13 17:00	124.5	↑1.7
2/13 17:10	125.9	↑1.4
2/13 17:20	127.0	↑1.1
2/13 17:30	127.7	↑0.7
2/13 17:40	128.1	↑0.4	満潮
2/13 17:50	128.1	0
2/13 18:00	127.8	↓-0.3
2/13 18:10	127.1	↓-0.7
2/13 18:20	126.0	↓-1.1
2/13 18:30	124.6	↓-1.4
2/13 18:40	122.8	↓-1.8
2/13 18:50	120.7	↓-2.1
2/13 19:00	118.3	↓-2.4
2/13 19:10	115.5	↓-2.8
2/13 19:20	112.4	↓-3.1
2/13 19:30	109.0	↓-3.4
2/13 19:40	105.4	↓-3.6
2/13 19:50	101.6	↓-3.8
2/13 20:00	97.5	↓-4.1
2/13 20:10	93.3	↓-4.2
2/13 20:20	88.9	↓-4.4
2/13 20:30	84.4	↓-4.5
2/13 20:40	79.8	↓-4.6
2/13 20:50	75.2	↓-4.6
2/13 21:00	70.5	↓-4.7
2/13 21:10	65.9	↓-4.6
2/13 21:20	61.4	↓-4.5
2/13 21:30	56.9	↓-4.5
2/13 21:40	52.6	↓-4.3
2/13 21:50	48.4	↓-4.2
2/13 22:00	44.4	↓-4.0
2/13 22:10	40.7	↓-3.7
2/13 22:20	37.1	↓-3.6
2/13 22:30	33.8	↓-3.3
2/13 22:40	30.8	↓-3.0
2/13 22:50	28.0	↓-2.8
2/13 23:00	25.6	↓-2.4
2/13 23:10	23.5	↓-2.1
2/13 23:20	21.7	↓-1.8
2/13 23:30	20.3	↓-1.4
2/13 23:40	19.2	↓-1.1
2/13 23:50	18.5	↓-0.7